2023-10-17 VII. A. LDR Text Amendment #23-002-TA, Ord #1275, 2nd Rev Exhibit 3 • •
Second Revised
Exhibit 3
10/17/2023
ORDINANCE NO. 1275
AN ORDINANCE OF THE CITY OF OKEECHOBEE, FLORIDA; AMENDING
PART II OF THE CITY OF OKEECHOBEE CODE OF ORDINANCES,
SUBPART B LAND DEVELOPMENT REGULATIONS, WITHIN CHAPTER 78
DEVELOPMENT STANDARDS, BY SPECIFICALLY AMENDING ARTICLE IV
STORMWATER MANAGEMENT, AS SUBMITTED IN LAND DEVELOPMENT
REGULATION TEXT AMENDMENT APPLICATION NO. 23-002-TA;
PROVIDING FOR CONFLICT; PROVIDING FOR CODIFICATION;
PROVIDING FOR SEVERABILITY; PROVIDING FOR AN EFFECTIVE DATE.
WHEREAS, the City Council of the City of Okeechobee, Florida (City), has adopted Ordinance
Number 716, as amended, known as the Land Development Regulations (LDRs); and
WHEREAS,the City has a legitimate interest in periodic review of its Ordinances and LDRs in order
to address certain inconsistencies or outdated regulations contained in the Code of
Ordinances(the Code); to make amendments to meet changing community standards, or to
accommodate new development; and to create new ordinance or regulation to better serve
the public and to make the Code a more consistent and easier to understand document;and
WHEREAS, the Planning Board for said City acting as the Local Planning Agency, reviewed and
discussed the proposed amendments,also known as LDR Text Amendment Application No.
23-002-TA, at duly advertised Public Hearings held on May 18, 2023, and September 21,
2023, and based on findings of fact by the Planning Staff, hereby recommends certain
changes, amendments, or modifications to the Code, to present to the City Council for
ordinance adoption and codification; and
WHEREAS, the City Council for the City considered the recommendations by the Planning Board
and concludes that this Ordinance promotes the public health, safety, and welfare of its
citizens and inhabitants of the City, pursuant to Article VIII, Section 1(g), Florida Constitution;
and
WHEREAS, the City Council for the City finds and determines that these changes, amendments, or
modifications to the Code are consistent with all applicable policies including the LDRs and
the City's adopted Comprehensive Plan, and not in conflict with the public interest.
NOW,THEREFORE,be it ordained before the City Council of the City; presented at a duly advertised
public meeting; and passed by majority vote of the City Council; and properly executed by
the Mayor or designee, as Chief Presiding Officer for the City; that:
SECTION 1: RECITALS.
The foregoing "whereas"clauses are incorporated herein as legislative findings by this reference and
made a part hereof for all intents and purposes.
SECTION 2: AMENDMENT TO CHAPTER 78 DEVELOPMENT STANDARDS.
That Part II of the Code of Ordinances, Subpart B-LDRs, Chapter 78 Development Standards,Article
IV Stormwater Management, is hereby amended to read as follows:
Section 78-101. Requirements Stormwater management.
{a) Required Stormwater management systems shall comply with state approved standards
adopted by the Sou uth Florida Water Management District
{b) Minimum stormwater management requirements are as follows:
{1) Stormwater treatment and disposal facilities shall be designed for a 25-year storm event
of 24 hour duration.
`2) Thn st-incrrcrh of rmwater ru unoff shall be treated on site.
(31 ost development runoff rates volumes and pollutant loads shal��t exceed
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predevelopment conditions.
(4) Erosion and sediment controls shall be used during construction.
(5) Minimum road elevation is the crown of the road or 100 year,three day event,whichever
is highest.
The City has adopted this stormwater management ordinance to help protect its resources from the
harmful effects of unmanaged stormwater runoff.
If applicable,language to be added is underlined.
If applicable,language to be deleted is strucic-threugh. Ordinance No. 1275,Page 1 of 14
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Stormwater results from a rain event, whereas runoff is the portion of stormwater that does not
infiltrate into the ground or evaporate and is not intercepted before reaching a stormwater
management system. Stormwater runoff from undeveloped lands usually does not present a
management problem since it is relatively clean with lower volumes and peaks due to natural filtration
and higher infiltration. When natural land is converted to higher intensity land use, stormwater
becomes a problem and should be managed. Soil is often paved over, and impervious surfaces are
created. These impervious surfaces prevent stormwater from infiltrating into the ground and
recharging local surficial aquifers.This reduces uptake by plants and increases accumulation on the
surface. Increased runoff can also create flooding in some areas. Impervious areas also create an
environment where pollutants can accumulate, degrading the quality of stormwater runoff and
rendering it a pollution source.To combat this, stormwater management practices are implemented
in developed areas to help mitigate potential increases in flood risk (water quantity) and pollution
(water quality).
Stormwater runoff conveys many types of pollutants from the landscape to natural receiving waters.
The quality of stormwater runoff varies with land use. Pollutants in stormwater can consist of excess
nutrients, solid waste, litter, lead, petroleum products (from automobiles), chemicals, fertilizers,
herbicides applied to lawns, and atmospheric deposition. Higher nutrient loads are typically
generated by residential and industrial land uses,whereas commercial, mixed urban, and roadways
generate higher concentrations of metal contamination. Heavy metals are of particular concern
because several are toxic to many aquatic plant and animal species. Motor vehicles and road
surfaces are the main sources of heavy metals in stormwater runoff. Nutrients and pesticides from
lawn fertilizers and atmospheric deposition can cause algal blooms and similar environmentally
harmful occurrences if untreated runoff is allowed to enter surface waters. During a rainfall event,
stormwater runoff flows over these surfaces, picking up pollutants and carrying them to surface
waters.
Polluted stormwater not only causes adverse environmental impacts but also economic impacts.An
increase in the number of impervious surfaces raises the potential for flooding and property damage.
Polluted stormwater can also lead to reduced fisheries production because of the degradation of
water quality. For these reasons, stormwater management practices have been implemented
throughout Florida and the United States. This Section is designed as a guide to best management
practices(BMPs)for stormwater management in the City.
A stormwater management practice shapes and improves the quality and quantity of stormwater
runoff being discharged to receiving waters. BMPs for stormwater are those that meet discharge
quantity and quality criteria at a minimal cost.
This article will be used to review and approve stormwater management systems permitted by the
City and will be modified as appropriate technology and regional stormwater rules dictate.
Section 78.102.Exemptions Local review and approval of stormwater management system.
record.
flews-erg-the-site:
A Stormwater Management Plan will be required as part of all building permit applications that
increase the impervious area of a site.
Regardless of whether or not stormwater management permits are required by the South Florida
Water Management District (SFWMD), and notwithstanding other exemptions cited in Section 78-
105, all applications for construction or development are required to submit a Stormwater Pollution
Prevention Plan for review and approval by the City.This Plan is to be based on the standards and
criteria of the SFWMD.
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck reugh. Ordinance No.1275,Page 2 of 14
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Section 78-103.Specialized definitions.
The following definitions shall apply to Article IV and all Sections thereof and subsections thereto.
Alter or alteration. Work done on a stormwater management system other than that necessary to
maintain the system's original design and function.
BMPs. Schedules of activities, prohibitions of practices, general good housekeeping practices,
pollution prevention and educational practices, maintenance procedures, and other management
practices to prevent or reduce the discharge of pollutants directly or indirectly to stormwater receiving
waters or stormwater conveyance systems. BMPs also include treatment practices, operating
procedures, and practices to control site runoff, spillage, leaks, sludge, water disposal, or drainage
from raw materials storage.
Construction Activity.Activities subject to National Pollutant Discharge Elimination System(NPDES)
Construction Permits.
Detention.The collection and storage of surface water for subsequent gradual discharge.
Hazardous Materials. Any material, including any substance, waste, or combination thereof, which
because of its quantity,concentration,or physical,chemical,or infectious characteristics,may cause,
or significantly contribute to a substantial presence or potential hazard to human, health, safety,
property,or the environment,when improperly treated,stored,transported,disposed of,or otherwise
managed.
Existing.For purposes of the stormwater management provisions of this Code,the average condition
immediately before development or redevelopment commences.
Illicit Connection.
Lal Any drain or conveyance, whether on the surface or subsurface, which allows any illicit
discharge to enter the stormwater system including, but not limited to, any connections to the
storm drain system from indoor drains and sinks;or
221 Any drain or conveyance connected from a commercial or industrial land use to the storm drain
system which has not been documented in Plans, Maps, or equivalent records and approved
by an authorized enforcement agency.
Illicit Discharge. A discharge to the storm water system within the City that is not composed entirely
of stormwater as exempted in Section 78-108 of this Ordinance.
Impervious surface.A surface that has been compacted or covered with a layer of material so that it
is highly resistant to infiltration by water. It includes, but is not limited to, semi-impervious surfaces
such as compacted clay, as well as most conventionally surfaced streets, roofs, sidewalks, parking
lots and other similar structures.
Maintenance. That action taken to restore or preserve the original design and function of any
stormwater management system.
MS4 or Municipal Separate Storm Sewer System. Publicly owned conveyance or system of
conveyance (i.e., ditches curbs catch basins and underground pipes) designed to discharge
stormwater to surface waters of the State.
NPDES Stormwater Discharge Permit. A permit issued by Environmental Protection Agency(EPA)
or by a State under authority delegated pursuant to 33 U.S. Code, National Pollutant Discharge
Elimination System, . 1342(b) and its amendments, or its successor statutes, that authorizes the
discharge of pollutants to waters of the United States, whether the permit is applicable on an
individual, group,or general area-wide basis.
Non-stormwater Discharge. Any discharge to the storm drain system that is not composed entirely
of stormwater.
Natural systems. Systems which predominantly consist of or are used by those communities of
plants, animals, bacteria and other flora and fauna which occur indigenously on the land, in the soil
or in the water.
If applicable,language to be added is underlined.
If applicable,language to be deleted is shick-tlinaugh. Ordinance No.1275,Page 3 of 14
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Pollutant.Anything which causes or contributes to pollution.Pollutants may include but are not limited
to paints, varnishes and solvents; oil and other automotive fluids; nonhazardous liquid and solid
wastes and yard wastes; refuse, rubbish, garbage, litter, or other discarded or abandoned objects:
ordinances, and accumulations, so that same may cause or contribute to pollution; floatables;
pesticides, herbicides, and fertilizers; hazardous substances and wastes; sewage, fecal, coliform,
and pathogens; dissolved and particulate metals; animal wastes; wastes and residues that result
from constructing a building or structure; and noxious or offensive matter of any kind.
Premises.Any building lot parcel of land or portion of land whether improved or unimproved including
adjacent sidewalks and parking strips.
Rate. Volume per unit of time.
Retention.The collection and storage of runoff without subsequent discharge to surface waters.
Sediment. The mineral or organic particulate material that is in suspension or has settled in surface
or ground waters.
Site. Generally, any tract, lot or parcel of land or combination of tracts, lots, or parcels of land that
are in one ownership, or in diverse ownership but contiguous, and which are to be developed as a
single unit, subdivision,or project.
Stormwater.The flow of water which results from, and that occurs immediately following, rainfall.
Stormwater management system. The system, or combination of systems, designed to treat
stormwater, or collect, convey, channel, hold, inhibit, or divert the movement of stormwater on,
through and from a site.
Stormwater Pollution Prevention Plan.A document which describes:
the BMP's and activities to be implemented by a person or business to identify sources of
pollution or contamination at a site and the actions to eliminate or reduce pollutant discharges
to stormwater, stormwater conveyance systems, and/or receiving waters to the maximum
extent practicable, and
11 the specific measures and sequencing to be used to control sediment and erosion on a site
during and after construction.
Stormwater runoff That portion of the stormwater that flows from the land surface of a site either
naturally, in manmade ditches, or in a closed conduit system.
Surface water. Water above the surface of the ground whether or not flowing through definite
channels, including the following:
u Any natural or artificial pond, lake, reservoir, or other area which contains water, and which
has a discernible shoreline;or
11 Any natural or artificial stream, river, creek, channel, ditch, canal, conduit, culvert, drain,
waterway, gully, ravine, street, roadway, swale or wash in which water flows in a definite
direction and which has a definite flow route;or
u Any wetland.
Wetland. Land that is inundated or saturated by surface water or groundwater at a frequency and
duration sufficient to support, and that under normal circumstances do or would support, a
prevalence of vegetation typically adapted for life in saturated soil conditions.The term includes, but
is not limited to, swamp hammocks, hardwood swamps, riverine cypress,cypress ponds, bayheads
and bogs,wet prairies, and freshwater marshes.
If applicable,language to be added is underlined.
If applicable,language to be deleted is streugt}. Ordinance No.1275,Page 4 of 14
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Section 78.104-Relationship to other stormwater management requirements.
In addition to meeting the requirements of this Code,the design and performance of all stormwater
management systems shall comply with applicable State regulations regarding stormwater quality
and or rules of the SFWMD as appropriate.
Section 78-105. Exemptions.
The following development activities are exempt from these stormwater management requirements,
except that steps to control erosion and sedimentation must be taken for all development.
The construction of a single-family or duplex residential dwelling unit and accessory structures
on a single parcel of land.
Any development within a subdivision if each of the following conditions have been met:
u Stormwater management provisions for the subdivision were previously approved by
the City and remain valid as part of a final plat or development plan;and
21 The development is conducted in accordance with the stormwater management
provisions submitted with the final plat or development plan.
• Maintenance activity that does not adversely affect the quality, rate, volume, or location of
stormwater flows on the site or of stormwater runoff.
L Action taken under emergency conditions to prevent imminent harm or danger to persons, or
to protect property from imminent fire,violent storms, hurricanes,or other hazards.
Section 78-106.Stormwater Management Plan Requirements.
A Stormwater Management Plan is required to be submitted as part of the City building permit
application pursuant to Section 70-302 of the Code,its amendments,or its successor statutes.
The Plan will indicate how a project design will incorporate the required stormwater
management and treatment criteria. The elements that may be required as part of a
Stormwater Management Plan are listed below.
II Site Information:
al Detailed location map.
21 Description of existing vegetative cover including wetlands.
.111 Location and size of preservation or mitigation areas(if applicable).
Ill Site Paving, Grading, and Drainage Plans.
u Vegetation Protection Plan.
u Soils map and percolation test results.
In Wet season water table elevation.
• Future wet season water table elevation(30-year).
Description of measures to be used during construction to eliminate adverse off-site
impacts, such as increased turbidity or siltation.
u Recent aerial photograph including the year that the photograph was taken.
(11) Map of drainage basin boundaries including any off-site areas.
u Map of floodplain and elevations.
Stormwater Management Plan:
al Location of all existing and proposed on-site waterbodies including wetlands.
If applicable,language to be added is underlined.
If applicable,language to be deleted is strask-through. Ordinance No.1275,Page 5 of 14
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21 Location of all off-site wetlands, water courses, and waterbodies affected by on-site
drainage patterns.
u Location and detail of all major control structures and elevations. Preliminary
construction plans may be submitted for conceptual approval.
u Right-of-way and easement locations for stormwater management systems including all
areas reserved for stormwater management purposes.
• Location and size of on-site stormwater management facilities.
Square footages, acreages, and percentage of property proposed as:
a. Impervious surface(excluding waterbodies).
b. Impervious surface(waterbodies).
c. Pervious surface.
d. Total square footage or acreage of the project site.
u Proposed Grading, Paving and Drainage Plan.
Treatment volumes and discharge rates(if applicable)for stormwater runoff.
Legal and Institutional Information:
al Entity responsible for operation and maintenance of surface water management system.
If the operation and maintenance entity is to be a public body, a letter from the public
body confirming this must be submitted before staff approval. If the entity is a
homeowners association, documents verifying the existence of such organization and
its ability to accept operation and maintenance responsibility must be submitted before
staff approval.
Below is a checklist of the elements that City staff will use to determine which of the elements
a specific Plan should or should not require for each site. Some of these elements are
required for other parts of a City building permit, but also need to be considered as part of
the Stormwater Management Plan. In these instances, specific criteria are the same as those
already required by the City and are not discussed further in this Article.
Stormwater Management Plan Checklist
in Site Information.
a. Detailed location map.
b. Description of vegetative cover.
c. Location and size of preservation or mitigation areas.
d. Vegetation Protection Plan.
e. Soils map.
f. Percolation test results.
g, Current wet season high water table.
h. Future wet season water table.
i_ Measures to be taken to eliminate off-site adverse impacts, such as turbidity,
flooding,etc.
L Recent aerial photo(with year aerial was taken).
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck rough. Ordinance No.1275,Page 6 of 14
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k. Map of drainage basin boundaries including off-site areas.
I. Map of floodplain and elevations.
2 Master Stormwater Management Plan.
a. Location of all existing and proposed on-site waterbodies(including wetlands).
b. Location of all off-site wetlands and waterbodies to be affected by on-site
drainage patterns.
c. Location of all major control structures and elevations (preliminary construction
plan may be submitted for conceptual review).
d. Right-of-way and easement locations for stormwater management systems,
including all areas reserved for stormwater management purposes.
e. Location and size of on-site water management facilities.
f. Square footages,acreages, and percentage of property proposed as:
1. Impervious surface (excluding waterbodies).
2. Impervious surface(waterbodies).
3. Pervious surface.
4. Total square footage or acreage of project site.
Proposed Grading Plan.
h. Treatment volume and discharge rate(if applicable)for stormwater management
system.
u Legal and Institutional Information.
a. Entity responsible for operation and maintenance of stormwater management
facility.*
*If the operation and maintenance entity is to be a public body, a letter from the
public body confirming this must be submitted before staff approval. If the entity
is a homeowners' or property owners' association, documents verifying the
existence of such organization and its ability to accept operation and maintenance
responsibility must be submitted for review and approval.
if Hydraulic Design Criteria.
Stormwater management facilities for development shall be designed in accordance with the
following:
u All projects shall control the volume of discharge from developed areas at
predevelopment volume of discharge for the design level of service storm event adopted
in the Code.
121 All project sites shall control the timing of discharges to preclude any off-site impact for
any storm event.
2 Peak discharge rate shall not exceed predevelopment discharge rate for the design
level-of-service storm event adopted in the Code.
jgi Water Quality Design Criteria.
Stormwater designs must demonstrate a net improvement in nutrient loads or a 95 percent
reduction in pollutant loads for the design level of service storm event adopted in the Code.This
can be demonstrated through methods that are accepted by the SFWMD.
If applicable,language to be added is underlined.
If applicable,language to be deleted is ctwsk-through. Ordinance No.1275,Page 7 of 14
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11 Methods of Stormwater Treatment.
Stormwater treatment facilities shall be designed to treat stormwater runoff to a level that
meets the design criteria defined herein. The volume to be treated depends on the type of
stormwater management facility(ies) used and the land use of the property. The two most
used methods of stormwater treatment are wet detention and dry retention.A detention facility
collects and temporarily stores a treatment volume to provide for treatment through physical,
chemical, or biological processes with subsequent gradual release of the stormwater to a
surface water system. A retention facility is designed to prevent the discharge of a given
volume: however, it is slowly released from the facility through infiltration and
evapotranspiration.A retention or detention facility built above the groundwater table is"dry."
A facility with the bottom below the control elevation is "wet." The wet season water table
plays an important part in the functioning of retention systems. To ensure that stormwater
facilities continue to function in the future, a stormwater design will need to include a
determination of the wet season water table and an estimate of the future wet season water
table.
A stormwater management system frequently incorporates several treatment methods. The
criteria for each individual type of treatment are detailed to ensure that the proper volume of
runoff is treated in an appropriate manner for the land use.
u Wet Detention.
u Wet detention is the collection and temporary storage of stormwater runoff, before
controlled discharge into receiving waters,in a permanently wet impoundment to provide
treatment through physical,chemical,and biological processes with subsequent gradual
controlled release of the stormwater. A wet detention facility is a basin or pond with a
bottom elevation below the wet season water table or control elevation.
121 Method of Achievement.
Constructed ponds on the site are generally used for wet detention.These ponds must
meet the following design criteria:
A wet detention facility is usually wet and allows for %-inch of the required detained
volume(1-inch or the total of 2.5-inches times the percent of impervious area,whichever
is greater)to be discharged through a control structure in no less than 24-hours. Catch
basins, pipes, swales, or channels are used in areas with large amounts of impervious
surface to collect runoff and convey it to the detention facility. The required design
criteria of a wet detention facility are detailed below:
a. The pond must be at least 0.5 acre and at least 100-feet wide for lakes exceeding
200-feet in length.
b. Irregularly shaped lakes may be narrower than 100-feet in some portions but
should average 100-feet in width.
c. Projects with single-owner entities or entities with a full-time maintenance staff
with obvious interests in maintaining the areas for water quality purposes may
have the area and width criteria waived.
d. The lake slopes should be at least 4:1 (horizontal to vertical)to a depth of 2-feet
for safety reasons and to allow a littoral habitat to form.
e. The control structure is at one point in the detention facility. Trash collection
screens are required on structures discharging to surface waters.
f. The control structure must be opposite from the runoff entry into the facility to
prevent hydraulic short-circuiting and to ensure full treatment.
Wet detention cannot be used as the sole form of stormwater treatment. If wet detention
is used, at least 2.5-inches of dry retention pre-treatment must be provided before
discharging into a wet detention facility.
Guidance on sizing, designing, and permitting wet detention facilities or exfiltration
trenches can be found in the SFWMD Environmental Resource Permit Applicant's
Handbook.
If applicable,language to be added is underlined.
If applicable,language to be deleted is sbaskthrough. Ordinance No.1275,Page 8 of 14
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,(ji Dry Retention.
u Dry retention is a stormwater system designed to prevent the discharge of a given
volume of stormwater runoff into surface waters by complete onsite storage of that
volume. A dry retention facility has a bottom elevation at least 1-foot above the future
wet season water table and is usually dry. Stormwater is released only during times of
heavy rainfall or flooding.
u Method of Achievement.
Examples of dry retention facilities include infiltration systems (e.g., vegetated swales
and bioretention systems) and seepage systems (e.g., exfiltration trenches, pervious
pavement, and exfiltration vaults). Of these two, infiltration systems provide better
pollution attenuation. The vegetation takes up a percentage of the nutrients commonly
found in stormwater runoff. Most heavy metals bind with the soils above the water table
and the potential for them entering the groundwater is reduced.
Seepage systems consist of an underground facility that relies on a mostly outward
dispersion of stormwater from the facility to the groundwater. These structures are
constructed a minimum of 1-foot above the future wet season water table.These systems
are most suitable for areas where the soil has high transmissivity. However, they do not
provide the nutrient uptake that is offered with vegetated infiltration systems.
Infiltration systems and seepage systems need a highly permeable substratum to allow
the stormwater runoff to percolate into the ground. Seepage systems do not require as
much land area as infiltration systems since they can be installed underground.
However, the future wet season water table at the project site must be at least 1-foot
below the seepage structure.
ILI Control Structures.
Definition.A control structure is a device through or over which water is discharged from
a stormwater management system. Direct discharge occurs when stormwater is
released through a control structure to the receiving waterbodv. If the discharge from
the stormwater management system is by a means other than a control structure(e.g.,
sheet flow or spreader swale), it is considered indirect discharge.
u Purpose. The primary purpose of a control structure in a detention facility is to release
the calculated runoff volume slowly over a specified period. In a retention facility, the
control structure allows for volumes exceeding the calculated retention volume to leave
the system in a manner that provides adequate downstream flood protection.
f 3,) Types of Control Structures. Direct discharge from a water management facility to the
receiving body is usually achieved through control structures such as weirs and orifices.
The following criteria must be met for all methods of direct discharge:
a. Trash collecting gratings must be on the intake of all structures that discharge to
surface waters.
b. Detention facilities discharge must be above the permanent pool.
c. If a non single-family residential property is greater than 50 percent impervious or
contains a system with inlets in paved areas, discharge structures must include a
baffle, skimmer, or other suitable mechanism for preventing oil and grease from
being discharged.
d. Direct discharge will only be allowed to those areas that due to their large capacity
or configuration are able to absorb concentrated discharges without erosion.
When using indirect discharge to release stormwater, a spreader swale is commonly
used.The swale is positioned parallel to the receiving body,and the side adjacent to the
receiving body is lower than the side opposite the receiving body.The swale allows the
water to flow into the receiving body but not flood the adjoining property. This method
works well when trying to maintain a proper water level in wetlands that are used for
stormwater management. The spreader swale is also a treatment facility for stormwater
runoff. Runoff exceeding the first flush is allowed to enter the wetland system via sheet
flow.
If applicable,language to be added is underlined.
If applicable,language to be deleted is stfask-Uiroug#. Ordinance No.1275,Page 9 of 14
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21.1 Criteria for Single-Family/Duplex Lots.
2lj Lots Within Subdivisions With Approved Stormwater Management Plans. In all
subdivisions that have an approved Stormwater Management Plan, all new
development must comply with the approved Plan. A lot Grading Plan, complete with
topographic information that complies with this Section, must be submitted for review
before the issuance of the building permit. If the approved Stormwater Management
Plan does not contain sufficient lot grading information to verify that the lot being
permitted will drain in accordance with the Plan, the requirements of Section 2 herein
shall apply.
2 Lots Within Subdivisions Without Approved Stormwater Management Plans. Single-
family and duplex homes that are not part of a stormwater drainage system shall provide
a Stormwater Management Plan following the guidelines established herein.The design
criteria generally use vegetated swales. However, other retention practices may be
used. The retention volume specified in these design criteria will provide adequate
stormwater treatment on a single-family/duplex lot to meet the City stormwater treatment
requirements. However, calculations demonstrating a net improvement or 95 percent
reduction in nutrient loads may be submitted as an alternative to using the retention
volume specified in these design criteria. The stormwater calculations must be
completed by a Florida registered and licensed professional engineer.
The retention volume depends on the lot size and the stormwater management system
used. Stormwater treatment can also be provided using other retention systems such
as pervious pavement, exfiltration trenches, or shallow stormwater vault systems.
2l If swale(s)are used,they must meet the following criteria:
a. Runoff from the site must be drained to the swale.
b. The swale length must be greater than its width.
c. The swale side slope must be 4:1 (horizontal to vertical)or shallower.
d. The swale must be placed so that any natural areas to be preserved are not
disturbed.
e. The swale must be at least 6-inches deep.
f. Swales should be vegetated. If a swale is not vegetated, a 6-inch layer of soil
amendment formulated to reduce nutrient loading must be installed directly below
the swale. Specifications and published nutrient reduction test results for the soil
amendment media must be provided at the time of testing. Examples of
acceptable media are NutriGonen^ (distributed by EcoSense International) and
Bold and Gold®(distributed by Environmental Conservation Solutions).
Retention systems must discharge off site to prevent flooding, but should not
discharge onto adjacent private property. For retention systems, a control
structure will allow runoff exceeding the volume of the swale to be discharged to
the receiving body. More than one retention system may be on the property
provided that each meets these criteria, and the total volume of the retention is at
least the calculated volume. Vegetated swales may be incorporated into the set-
back area of land required by the City.
Section 78-107. Dedication or maintenance of stormwater management systems.
(a) Dedication. If a stormwater management system approved under this Code will function as an
integral part of the City maintained regional system, as determined by the City, the City shall
have the option of requiring that the facilities be dedicated to the City. In no event shall any
stormwater management system, including lakes, canals, and waterways, be granted,
conveyed or dedicated to the City without the consent of the City Council.
(b) Maintenance by an acceptable entity.
(1) All stormwater management systems that are not dedicated to the City shall be operated
and maintained by one of the following entities:
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck-txeugh. Ordinance No.1275,Page 10 of 14
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a. An active water control district created pursuant to Florida Statutes(F.S.)Chapter
(Ch.) 298 or drainage district created by special act, or community development
district created pursuant to F.S. Ch. 190, or special assessment district created
pursuant to F.S. Ch. 170.
b. A State or Federal agency.
c. An officially franchised, licensed or approved communication, water, sewer,
electrical or other public utility.
d. The property owner or developer if:
1. Written proof is submitted in the appropriate form by either letter or
resolution, that a governmental entity or such other acceptable entity, as
set forth in paragraphs a through c above, will accept the operation and
maintenance of the stormwater management and discharge facility at a time
certain in the future.
2. A bond or other assurance of continued financial capacity to operate and
maintain the system is submitted.
e. For-profit or nonprofit corporations including homeowners'associations, property
owners' associations, condominium owners'associations or master associations
if:
1. The owner or developer submits documents constituting legal capacity and
a binding legal obligation between the entity and the City affirmatively taking
responsibility for the operation and maintenance of the stormwater
management facility.
2. The association has sufficient powers reflected in its organizational or
operational documents to:
i_ Operate and maintain the stormwater management system as
permitted by the City.
ii. Establish rules and regulations.
iii. Assess members.
iv. Contract for services.
v. Exist perpetually, with the articles of incorporation providing that if the
association is dissolved, the stormwater management system will be
maintained by an acceptable entity as described above.
21 If a project is to be constructed in phases, and subsequent phases will use the same
stormwater management facilities as the initial phase or phases, the
operation/maintenance entity shall have the ability to accept responsibility for the
operation and maintenance of the stormwater management systems of future phases of
the project. In any event, the backbone stormwater management system shall be
constructed for the entire project.
In phased developments that have an integrated stormwater management system but
employ independent operation/maintenance entities for different phases, the
operation/maintenance entities, either separately or collectively, shall have the
responsibility and authority to operate and maintain the stormwater management system
for the entire proiect. That authority shall include cross easements for stormwater
management and the authority and ability of each entity to enter and maintain all
facilities, should any entity fail to maintain a portion of the stormwater management
system within the proiect.
141 The applicant shall be an acceptable entity and shall be responsible for the operation
and maintenance of the stormwater management system from the time begins until the
stormwater management system is dedicated to and accepted by another acceptable
entity.
If applicable,language to be added is underlined.
If applicable,language to be deleted is stud-through. Ordinance No.1275,Page 11 of 14
• •
(c) Offsite stormwater conveyance systems. Where a private offsite stormwater management or
conveyance system is required to obtain a final development order pursuant to the provisions
of this Code, perpetual easements shall be obtained by the developer. The easements
required by this Subsection shall provide the City with the right, but not the obligation to
maintain the conveyance or stormwater management system located thereon.
Section 78-108- Prohibition of Illicit Discharge.
No person shall directly or indirectly cause an illicit discharge to enter the stormwater system.
Categories of illicit discharges include, but are not limited to,the following:
fl Petroleum products including, but not limited to,oil, gasoline, and grease.
• Solid waste or sanitary sewage.
u Chemicals including, but not limited to, fertilizers and pesticides.
u Paints, solvents, or degreasers.
1.5i Concrete slurry.
u Laundry wastes or soaps.
u Antifreeze and other automotive products.
u Soil.
u Leaves, branches, and other yard/landscaping waste.
(10) Construction materials.
an Toxic or poisonous solids or liquids.
J Solids or suspended solids in such quantities or of such size capable of causing
interference or obstruction to the flow in the stormwater system.
Section 78-109. Prohibition of Illicit Connections.
The construction, use, maintenance, or continued existence of illicit connections to the stormwater
system is prohibited.
Section 78-110. Reporting of Illicit Discharges and Illicit Connections.
Upon discovery of an illicit discharge or an illicit connection, the person(s) responsible for the illicit
discharge or the illicit connection shall report his or her findings immediately to the City.
Section 78-111. Enforcement, Penalties,and Liability for Pollution Abatement.
121 The provisions of this Ordinance shall be enforced as provided in Chapter 18 of the Code, its
amendments,or its successor provisions.
No person shall oppose, obstruct, or resist any enforcement officer, designated City staff, or
any person authorized by the enforcement officer or designated City staff in the discharge of
his or her duties, as provided in this Ordinance.
121 Any person responsible for an illicit connection, or an illicit discharge, to the stormwater
system, is subject to fine(s) and shall be responsible to pay both the necessary expenses
incurred in evaluating, treating, and disposing of pollutant materials and also the reasonable
cost of repairs. A lien may be placed against the land on which the violation exists and upon
any other real or personal property owned by the violator.
L The remedies and penalties provided in this Ordinance are not exclusive, and the City may
seek whatever other remedies are authorized by F.S., at law, or in equity against any person
who violates the provisions of this Ordinance.
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck-through. Ordinance No.1275,Page 12 of 14
• •
Section 78.112—Erosion Control Standards.
u Clearing except that necessary to establish sediment control devices shall not begin until all
sediment control devices have been installed and have been stabilized clearing techniques that
retain natural vegetation and drainage patterns shall be implemented to the satisfaction of the
City Public Works Department or designee.
u Grading erosion control practices sediment control practices and waterway crossings shall be
adequate to prevent transportation of sediment from the site and be maintained to project
completion to the satisfaction of the City Public Works Department or designee.
121 The angle for graded slopes and fills shall not be greater than the angle which can be retained
by vegetative cover or other adequate erosion control devices or structures generally 4:1 or less.
Slopes left exposed will within 10 working days of completion of any phase of grading be planted
or otherwise provided with ground cover devices or structures sufficient to prevent erosion.
6 Groundcover sufficient to restrain erosion must be planted or otherwise provided within 10
working days on portions of cleared land upon which further construction activity is not being
undertaken within 30 calendar days of clearing.
Vegetative cover or other erosion control devices or structures used to meet these requirements
shall be properly maintained during and after construction.
la Temporary seeding or sodding adequate covering or chemical application on exposed soils
including stockpiles of topsoil sand or other construction fill shall be used where delays in
construction of more than 7 calendar days are anticipated.
The operator of any construction protect that disturbs one acre or more or is part of the larger
common plan of development or sale which disturbs one acre, or more is required to obtain the
proper Stormwater Permit from the Florida Department of Environmental Protection and to
comply with all the terms and conditions of the permit in addition to any City requirements. The
operator shall maintain a copy of the Permit on-site for review by any authorized official upon
request.
u Waste generated onsite including but not limited to discarded building materials concrete truck
wash out chemicals litter and sanitary waste must be stored secured or otherwise controlled to
the maximum extent practicable to prevent adverse impacts to water quality.
SECTION 3: CONFLICT.
All Sections or parts of Sections of the City Code of Ordinances in conflict herewith are intended to
be repealed to the extent of such conflict.
SECTION 4: INCLUSION IN THE CODE.
It is the intention of the City Council of the City, and it is hereby ordained that the provisions of this
Ordinance shall become and made a part of the City Code of Ordinances, that the Sections of this
Ordinance may be renumbered or re-lettered to accomplish such intentions; and the word
"Ordinance" may be changed to"Section"or other appropriate word.
SECTION 5: SEVERABILITY.
If, any Section, subsection, clause, or provision of this Ordinance is declared invalid or
unconstitutional by a court of competent jurisdiction, the remainder shall not be affected by such
invalidity.
SECTION 6: EFFECTIVE DATE.This Ordinance shall be effective immediately upon final adoption
on second reading.
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck-through. Ordinance No.1275,Page 13 of 14
• •
INTRODUCED for First Reading and set for Final Public Hearing on this 17th day of October 2023.
Dowling R.Watford,Jr., Mayor
ATTEST:
Lane Gamiotea, CMC, City Clerk
PASSED AND ADOPTED after Second and Final Public Hearing this 21st day of November 2023.
As required by City Charter Section C-4.1.C,ordinances shall be adopted by roll call on final reading
and recorded,the vote was as follows:
Yes No Abstained Absent
Council Member Chandler:
Council MemberNice Mayor Clark:
Council Member Jarriel:
Council Member McAuley:
Mayor Watford:
Dowling R. Watford,Jr., Mayor
ATTEST:
Lane Gamiotea, CMC, City Clerk
REVIEWED FOR LEGAL SUFFICIENCY:
John J. Fumero, City Attorney
Nason Yeager Gerson Harris&Fumero, P.A.
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck-through. Ordinance No.1275,Page 14 of 14
• •
III/•/.F..
r.?2' CITY OF OKEECHOBEE, FLORIDA
r PLANNING BOARD MEETING
,,,,,.�•'��, SEPTEMBER 21, 2023
SUMMARY OF BOARD ACTION
CALL TO ORDER
Chairperson Hoover called the regular meeting of the Planning Board for the City of
Okeechobee to order on Thursday, September 21, 2023, at 6:07 P.M. in the City Council
Chambers, located at 55 Southeast(SE)Third Avenue, Room 200, Okeechobee, Florida.
II. ATTENDANCE
Roll was taken by Board Secretary Patty Burnette. Chairperson Dawn Hoover, Board
Members Phil Baughman, Carl Berlin, Jr., Karyne Brass, and Alternate Board Members
Jon Folbrecht and Jim Shaw were present. Vice Chairperson Doug McCoy, and Board
Member Mac Jonassaint were absent without consent. Chairperson Hoover moved
Alternate Board Members Folbrecht and Shaw to voting position.
III. AGENDA
A. There were no items added,deferred, or withdrawn from the agenda.
B. Motion by Member Folbrecht, seconded by Member Shaw to approve the agenda
as presented. Motion Carried Unanimously.
C. There were no comment cards submitted for public participation.
IV. MINUTES
A. Motion by Member Baughman,seconded by Member Folbrecht to dispense with the
reading and approve the June 15,2023, Regular Meeting minutes. Motion Carried
Unanimously.
V. CHAIRPERSON HOOVER OPENED THE PUBLIC HEARING AT 6:09 P.M.
A. Consider Land Development Regulations (LDR)Text Amendment Application No.
23-002-TA, which proposes to amend Chapter 78, Land Development Standards,
Article IV, Stormwater Management, to reflect required changes adopted by the
State on stormwater management regulations.
1. City Attorney Stephen Conteaguero with Nason, Yeager, Gerson, Harris &
Fumero, briefly reviewed the proposed ordinance stating this is to bring the
existing City LDR into conformance with the Florida Department of
Environmental Protection. This ordinance is to help protect the City's
resources from the harmful effects of unmanaged stormwater runoff. It also
addresses illicit discharges and post construction run off.
2. No public comments were offered.
3. No Ex-Parte disclosures were offered.
4. Motion by Member Folbrecht, seconded by Member Berlin to recommend
approval to the City Council for LDR Text Amendment Application No. 23-
002-TA, as presented in [Exhibit 1]. The recommendation will be forwarded
to the City Council for consideration at Public Hearings,tentatively scheduled
for October 17, 2023, and November 21, 2023. Motion Carried
Unanimously.
B. Consider LDR Text Amendment Application No. 23-004-TA, which proposes to
amend Section 66-1, adding a definition for Medical Marijuana Dispensaries and
Zoning Districts Permitted Uses Section's 90-252 for Light Commercial, 90-282 for
Heavy Commercial, 90-312 for Central Business District, and 90-342 for Industrial,
to prohibit Medical Marijuana Dispensaries in the City.
1. City Attorney Conteaguero briefly reviewed the proposed ordinance stating
this proposed language would prohibit Medical Marijuana dispensaries in all
zoning districts in the City and any existing ones would be considered non-
conforming uses. Should an existing facility be sold, then the use would not
be permitted.
2. No public comments were offered.
3. No Ex-Parte disclosures were offered.
4. Motion by Member Berlin, seconded by Member Shaw to recommend
approval to the City Council for LDR Text Amendment Application No. 23-
004-TA, as presented in [Exhibit 2]. The recommendation will be forwarded
to the City Council for consideration at Public Hearings, tentatively scheduled
for November 7, 2023, and December 5, 2023. Motion Carried
Unanimously.
CHAIRPERSON HOOVER CLOSED THE PULIC HEARING AT 6:24 P.M.
September 21,2023,Planning Board Meeting Page 1 of 2
Exhibit 1, September 21, 2023
City of Okeechobee Date: -?• Petition No. . . -`ai-
General Services Department Fee Paid: "-VA Jurisdiction: 961..(1e...„,
55 S.E. 3rd Avenue, Room 101 1st Hearing: 2"d Hearing: ') t l (;.21-7-3
Okeechobee, Florida 39974-2903
Phone: (863) 763-3372, ext. 218 Publication Dates:
Fax: (863) 763-1686 Notices Mailed:
APPLICATION FOR TEXT AMENDMENT TO THE LAND DEVELOPMENT REGULATIONS
APPLICANT INFORMATION
1 Name of Applicant: .:
2 Mailing address: 5c, J t11(t- .
3 E-mail address:
4 Daytime phone(s):
Do you own residential property within the City? ( ) Yes ( ) No
If yes, provide address(es)
5
Do you own nonresidential property within the City? ( ) Yes ( ) No
If yes, provide address(es)
6
REQUEST INFORMATION
Request is for: ( ) Text change to an existing section of the LDRs
( )Addition of a permitted use ( ) Deletion of a permitted use
7
( )Addition of a special exception use ( ) Deletion of a special exception use
( )Addition of an accessory use ( ) Deletion of an accessory use
Provide a detailed description of text changes to existing section(s) showing deletions in strikeout and
additions in underline format. (This description may be provided on separate sheets if necessary.)
8
LDR Amendment Application Page 1 of 3
• •
Provide a detailed listing of use(s)to be added or deleted and the zoning district(s)and section(s)to
be changed. (This description may be provided on separate sheets if necessary.)
9
REQUIRED ATTACHMENTS:_:
Non-refundable application fee of$500
Note: Resolution No.98-11 Schedule of Land Development Regulation Fees and Charges-
10 When the cost for advertising publishing and mailing notices of public hearings exceeds the
established fee, or when a professional consultant is hired to advise the city on the application,
the applicant shall pay the actual costs.
Confirmation of Information Accuracy
I hereby certify that the information in this application is correct. The information included in this application is
for use by the City of Okeechobee in processing my request. False or misleading information may be
punishable by a fine of up to$500.00 and imprisonment of up to 30 days and may result in the denial of this
application.
Signature Printed Name Date
For questions relating to this application packet,call General Services Dept.at(863)-763-3372, Ext.218
LDR Amendment Application Page 2 of 3
• •
LDR Text Amendment Application#23-002-TA Proposed Changes submitted by City Staff:
Section 78-101.Requirements Stormwater management.
The City has adopted this stormwater management ordinance to help protect its resources from the harmful effects of
unmanaged stormwater runoff.
Stormwater results from a rain event,whereas runoff is the portion of stormwater that does not infiltrate into the ground or
evaporate and is not intercepted before reaching a stormwater management system.Stormwater runoff from undeveloped
lands usually does not present a management problem since it is relatively dean with lower volumes and peaks due to natural
filtration and higher infiltration.When natural land is converted to higher intensity land use,stormwater becomes a problem
and should be managed.Soil is often paved over,and impervious surfaces are created.These impervious surfaces prevent
stormwater from infiltrating into the ground and recharging local surficial aquifers.This reduces uptake by plants and increases
accumulation on the surface. Increased runoff can also create flooding in some areas. Impervious areas also create an
environment where pollutants can accumulate,degrading the quality of stormwater runoff and rendering it a pollution source.
To combat this,stormwater management practices are implemented in developed areas to help mitigate potential increases
in flood risk(water quantity)and pollution(water quality).
Stormwater runoff conveys many types of pollutants from the landscape to natural receiving waters.The quality of stormwater
runoff varies with land use. Pollutants in stormwater can consist of excess nutrients, solid waste, litter, lead, petroleum
products(from automobiles),chemicals,fertilizers,herbicides applied to lawns,and atmospheric deposition.Higher nutrient
loads are typically generated by residential and industrial land uses, whereas commercial, mixed urban, and roadways
generate higher concentrations of metal contamination.Heavy metals are of particular concern because several are toxic to
many aquatic plant and animal species.Motor vehicles and road surfaces are the main sources of heavy metals in stormwater
runoff. Nutrients and pesticides from lawn fertilizers and atmospheric deposition can cause algal blooms and similar
environmentally harmful occurrences if untreated runoff is allowed to enter surface waters.During a rainfall event,stormwater
runoff flows over these surfaces,picking up pollutants and carrying them to surface waters.
Polluted stormwater not only causes adverse environmental impacts but also economic impacts.An increase in the number
of impervious surfaces raises the potential for flooding and property damage.Polluted stormwater can also lead to reduced
fisheries production because of the degradation of water quality.For these reasons,stormwater management practices have
been implemented throughout Florida and the United States. This Section is designed as a guide to best management
practices(BMPs)for stormwater management in the City.
A stormwater management practice shapes and improves the quality and quantity of stormwater runoff being discharged to
receiving waters.BMPs for stormwater are those that meet discharge quantity and quality criteria at a minimal cost.
Page 1 of 13
LDR Text Amendment Application#23-002-TA Proposed Changes submitted by City Staff
If applicable,language to be added is underlined.
If applicable,language to be deleted Is struck through.
• •
This article will be used to review and approve stormwater management systems permitted by the City and will be modified
as appropriate technology and regional stormwater rules dictate.
Section 78-102.Exemptions Local review and approval of stormwater management system.
isions have been approved and remain-valid as part of a final plat or
cleveloprpeRt-plan
developmentplan.
A Stormwater Management Plan will be required as part of all building permit applications that increase the impervious area
of a site.
Regardless of whether or not stormwater management permits are required by the South Florida Water Management District
(SFWMD),and notwithstanding other exemptions cited in Section 78-105,all applications for construction or development are
required to submit a Stormwater Pollution Prevention Plan for review and approval by the City.This Plan is to be based on
the standards and criteria of the SFWMD.
Section 78-103.Specialized definitions.
The following definitions shall apply to Article IV and all Sections thereof and subsections thereto.
Alter or alteration.Work done on a stormwater management system other than that necessary to maintain the system's original
design and function.
BMPs. Schedules of activities, prohibitions of practices, general good housekeeping practices, pollution prevention and
educational practices, maintenance procedures,and other management practices to prevent or reduce the discharge of
pollutants directly or indirectly to stormwater receiving waters or stormwater conveyance systems. BMPs also include
treatment practices,operating procedures,and practices to control site runoff,spillage, leaks,sludge,water disposal,or
drainage from raw materials storage.
Construction Activity.Activities subject to National Pollutant Discharge Elimination System(NPDES)Construction Permits.
Detention.The collection and storage of surface water for subsequent gradual discharge.
Hazardous Materials.Any material,including any substance,waste,or combination thereof,which because of its quantity,
concentration, or physical, chemical, or infectious characteristics, may cause, or significantly contribute to a substantial
presence or potential hazard to human, health, safety, property, or the environment, when improperly treated, stored,
transported,disposed of,or otherwise managed.
Existing.For purposes of the stormwater management provisions of this Code,the average condition immediately before
development or redevelopment commences.
Page 2 of 13
LDR Text Amendment Application#23.002-TA Proposed Changes submitted by City Staff
If applicable,language to be added Is underlined.
If applicable,language to be deleted Is struck through.
•
Illicit Connection.
u Any drain or conveyance, whether on the surface or subsurface, which allows any illicit discharge to enter the
stormwater system including,but not limited to,any connections to the storm drain system from indoor drains and sinks;
or
u Any drain or conveyance connected from a commercial or industrial land use to the storm drain system which has not
been documented in Plans,Maps,or equivalent records and approved by an authorized enforcement agency.
Illicit Discharge.A discharge to the storm water system within the City that is not composed entirely of stormwater as exempted
in Section 78-108 of this Ordinance.
Impervious surface.A surface that has been compacted or covered with a layer of material so that it is highly resistant to
infiltration by water. It includes, but is not limited to,semi-impervious surfaces such as compacted clay,as well as most
conventionally surfaced streets,roofs,sidewalks,parking lots and other similar structures.
Maintenance.That action taken to restore or preserve the original design and function of any stormwater management system.
MS4 or Municipal Separate Storm Sewer System.Publicly owned conveyance or system of conveyance(i.e.,ditches curbs
catch basins and underground pipes)designed to discharge stormwater to surface waters of the State.
NPDES Stormwater Discharge Permit. A permit issued by Environmental Protection Agency(EPA)or by a State under
authority delegated pursuant to 33 U.S. Code, National Pollutant Discharge Elimination System, §1342(b) and its
amendments,or its successor statutes,that authorizes the discharge of pollutants to waters of the United States,whether the
permit is applicable on an individual,group,or general area-wide basis.
Non-stormwater Discharge.Any discharge to the storm drain system that is not composed entirely of stormwater.
Natural systems.Systems which predominantly consist of or are used by those communities of plants,animals,bacteria and
other flora and fauna which occur indigenously on the land,in the soil or in the water.
Pollutant.Anything which causes or contributes to pollution.Pollutants may include but are not limited to paints,varnishes
and solvents;oil and other automotive fluids;nonhazardous liquid and solid wastes and yard wastes;refuse,rubbish,garbage,
litter,or other discarded or abandoned objects;ordinances,and accumulations,so that same may cause or contribute to
pollution;floatables;pesticides,herbicides,and fertilizers;hazardous substances and wastes;sewage,fecal,coliform,and
pathogens;dissolved and particulate metals;animal wastes;wastes and residues that result from constructing a building or
structure;and noxious or offensive matter of any kind.
Premises.Any building lot parcel of land or portion of land whether improved or unimproved including adiacent sidewalks and
parking strips.
Rate.Volume per unit of time.
Retention.The collection and storage of runoff without subsequent discharge to surface waters.
Sediment.The mineral or organic particulate material that is in suspension or has settled in surface or ground waters.
Page 3 of 13
LDR Text Amendment Application#23-002-TA Proposed Changes submitted by City Staff
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck through.
• •
Site.Generally,any tract,lot or parcel of land or combination of tracts,lots,or parcels of land that are in one ownership,or in
diverse ownership but contiguous,and which are to be developed as a single unit,subdivision,or project.
Stormwater.The flow of water which results from,and that occurs immediately following,rainfall.
Stormwater management system.The system,or combination of systems,designed to treat stomiwater,or collect,convey,
channel,hold,inhibit,or divert the movement of stormwater on,through and from a site.
Stormwater Pollution Prevention Plan.A document which describes:
u the BMP's and activities to be implemented by a person or business to identify sources of pollution or contamination at
a site and the actions to eliminate or reduce pollutant discharges to stormwater,stormwater conveyance systems,
and/or receiving waters to the maximum extent practicable,and
u the specific measures and sequencing to be used to control sediment and erosion on a site during and after
construction.
Stormwater runoff That portion of the stormwater that flows from the land surface of a site either naturally,in manmade ditches,
or in a closed conduit system.
Surface water.Water above the surface of the ground whether or not flowing through definite channels,including the following:
f Any natural or artificial pond,lake,reservoir,or other area which contains water,and which has a discernible shoreline.,
or
f b1 Any natural or artificial stream,river,creek,channel,ditch,canal,conduit,culvert,drain,waterway,gully,ravine,street,
roadway,swale or wash in which water flows in a definite direction and which has a definite flow route;or
!1 Any wetland.
Wetland.Land that is inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support,
and that under normal circumstances do or would support,a prevalence of vegetation typically adapted for life in saturated
soil conditions.The term includes, but is not limited to,swamp hammocks,hardwood swamps, riverine cypress,cypress
ponds,bayheads and bogs,wet prairies,and freshwater marshes.
Section 78-104-Relationship to other stormwater management requirements.
In addition to meeting the requirements of this Code,the design and performance of all stormwater management systems
shall comply with applicable State regulations regarding stormwater quality and or rules of the SFWMD as appropriate.
Section 78.105.Exemptions.
The following development activities are exempt from these stormwater management requirements,except that steps to
control erosion and sedimentation must be taken for all development.
fat The construction of a single-family or duplex residential dwelling unit and accessory structures on a single parcel of
land.
j121 Any development within a subdivision if each of the following conditions have been met:
Page 4 of 13
LDR Text Amendment Application#23-002-TA Proposed Changes submitted by City Staff
If applicable,language to be added is underlined.
If applicable,language to be deleted is struck through.
• •
j� Stormwater management provisions for the subdivision were previously approved by the City and remain valid
as part of a final plat or development plan:and
11 The development is conducted in accordance with the stormwater management provisions submitted with the
final plat or development plan.
f2.1 Maintenance activity that does not adversely affect the quality,rate,volume,or location of stormwater flows on the site
or of stormwater runoff.
f d1 Action taken under emergency conditions to prevent imminent harm or danger to persons,or to protect property from
imminent fire,violent storms,hurricanes,or other hazards.
Section 78.106.Stormwater Management Plan Requirements.
0_1 A Stormwater Management Plan is required to be submitted as part of the City building permit application pursuant to
Section 70-302 of the Code,its amendments,or its successor statutes.The Plan will indicate how a project design will
incorporate the required stormwater management and treatment criteria.The elements that may be required as part
of a Stormwater Management Plan are listed below.
u Site Information:
Li) Detailed location map.
j2� Description of existing vegetative cover including wetlands.
al Location and size of preservation or mitigation areas(if applicable).
u Site Paving,Grading,and Drainage Plans.
u Vegetation Protection Plan.
E Soils map and percolation test results.
7u Wet season water table elevation.
al Future wet season water table elevation(30-year).
j1 Description of measures to be used during construction to eliminate adverse off-sue impacts,such as increased
turbidity or siltation.
al Recent aerial photograph including the year that the photograph was taken.
an Map of drainage basin boundaries including any off-site areas.
f 1�2 Map of floodplain and elevations.
j1 Stormwater Management Plan:
in Location of all existing and proposed on-site waterbodies including wetlands.
• Location of all off-site wetlands,water courses,and waterbodies affected by on-site drainage patterns.
11 Location and detail of all major control structures and elevations.Preliminary construction plans may be submitted
for conceptual approval.
u Right-of-way and easement locations for stormwater management systems including all areas reserved for
stormwater management purposes.
f 5� Location and size of on-sue stormwater management facilities.
al Square footages,acreages,and percentage of property proposed as:
a. Impervious surface(excluding waterbodies).
b. Impervious surface(waterbodies).
c. Pervious surface.
d. Total square footage or acreage of the project site.
u Proposed Grading,Paving and Drainage Plan.
Page 5 of 13
LDR Text Amendment Application#23-002-TA Proposed Changes submitted by City Staff
If applicable,language to be added Is underlined.
If applicable,language to be deleted Is struck through.
• •
jal Treatment volumes and discharge rates(if applicable)for stormwater runoff.
jdl Legal and Institutional Information:
in Entity responsible for operation and maintenance of surface water management system.
121 If the operation and maintenance entity is to be a public body,a letter from the public body confirming this must
be submitted before staff approval.If the entity is a homeowners association,documents verifying the existence
of such organization and its ability to accept operation and maintenance responsibility must be submitted before
staff approval.
Lee Below is a checklist of the elements that City staff will use to determine which of the elements a specific Plan should
or should not require for each site.Some of these elements are required for other parts of a City building permit,but
also need to be considered as part of the Stormwater Management Plan.In these instances,specific criteria are the
same as those already required by the City and are not discussed further in this Article.
Stormwater Management Plan Checklist
In Site Information.
a. Detailed location map.
b. Description of vegetative cover.
c. Location and size of preservation or mitigation areas.
d. Vegetation Protection Plan.
e. Soils map.
f. Percolation test results.
g, Current wet season high water table.
h. Future wet season water table.
i. Measures to be taken to eliminate off-site adverse impacts,such as turbidity,flooding,etc.
L Recent aerial photo(with year aerial was taken).
k. Map of drainage basin boundaries including off-site areas.
I. Map of floodplain and elevations.
j j Master Stormwater Management Plan.
a. Location of all existing and proposed on-site waterbodies(including wetlands).
b. Location of all off-site wetlands and waterbodies to be affected by on-site drainage patterns.
c. Location of all major control structures and elevations(preliminary construction plan may be submitted for
conceptual review).
d. Right-of-way and easement locations for stormwater management systems,including all areas reserved
for stormwater management purposes.
e. Location and size of on-site water management facilities.
f. Square footages,acreages,and percentage of property proposed as:
1. Impervious surface(excluding waterbodies).
2. Impervious surface(waterbodies).
3. Pervious surface.
4. Total square footage or acreage of project site.
g, Proposed Grading Plan.
h. Treatment volume and discharge rate(if applicable)for stormwater management system.
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j1 Legal and Institutional Information.
a. Entity responsible for operation and maintenance of stormwater management facility.'
*If the operation and maintenance entity is to be a public body,a letter from the public body confirming this
must be submitted before staff approval. If the entity is a homeowners'or property owners'association,
documents verifying the existence of such organization and its ability to accept operation and maintenance
responsibility must be submitted for review and approval.
ja Hydraulic Design Criteria.
Stormwater management facilities for development shall be designed in accordance with the following:
In All projects shall control the volume of discharge from developed areas at predevelopment volume of discharge
for the design level of service storm event adopted in the Code.
i1 All project sites shall control the timing of discharges to preclude any off-sue impact for any storm event.
0_1 Peak discharqe rate shall not exceed predevelopment discharge rate for the design level-of-service storm event
adopted in the Code.
jqZ Water Quality Design Criteria.
Stormwater designs must demonstrate a net improvement in nutrient loads or a 95 percent reduction in pollutant loads for
the design level of service storm event adopted in the Code.This can be demonstrated through methods that are accepted
by the SFWMD.
j1 Methods of Stormwater Treatment.
Stormwater treatment facilities shall be designed to treat stormwater runoff to a level that meets the design criteria
defined herein.The volume to be treated depends on the type of stormwater management facility(ies)used and the
land use of the property.The two most used methods of stormwater treatment are wet detention and dry retention.A
detention facility collects and temporarily stores a treatment volume to provide for treatment through physical,
chemical,or biological processes with subsequent gradual release of the stormwater to a surface water system.A
retention facility is designed to prevent the discharge of a given volume:however,it is slowly released from the facility
through infiltration and evapotranspiration.A retention or detention facility built above the groundwater table is"dry."
A facility with the bottom below the control elevation is"wet."The wet season water table plays an important part in
the functioning of retention systems.To ensure that stormwater facilities continue to function in the future,a stormwater
design will need to include a determination of the wet season water table and an estimate of the future wet season
water table.
A stormwater management system frequently incorporates several treatment methods.The criteria for each individual
type of treatment are detailed to ensure that the proper volume of runoff is treated in an appropriate manner for the land
use.
jib Wet Detention.
in Wet detention is the collection and temporary storage of stormwater runoff, before controlled discharge into
receiving waters, in a permanently wet impoundment to provide treatment through physical, chemical, and
biological processes with subsequent gradual controlled release of the stormwater.A wet detention facility is a
basin or pond with a bottom elevation below the wet season water table or control elevation.
j2] Method of Achievement.
Constructed ponds on the site are generally used for wet detention.These ponds must meet the following design
criteria:
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A wet detention facility is usually wet and allows for%-inch of the required detained volume(1-inch or the total of
2.5-inches times the percent of impervious area, whichever is greater)to be discharged through a control
structure in no less than 24-hours.Catch basins,pipes,swales,or channels are used in areas with large amounts
of impervious surface to collect runoff and convey it to the detention facility.The required design criteria of a wet
detention facility are detailed below:
a. The pond must be at least 0.5 acre and at least 100-feet wide for lakes exceeding 200-feet in length.
b. Irregularly shaped lakes may be narrower than 100-feet in some portions but should average 100-feet in
width.
c. Projects with single-owner entities or entities with a full-time maintenance staff with obvious interests in
maintaining the areas for water quality purposes may have the area and width criteria waived.
d. The lake slopes should be at least 4:1(horizontal to vertical)to a depth of 2-feet for safety reasons and to
allow a littoral habitat to form.
e. The control structure is at one point in the detention facility. Trash collection screens are required on
structures discharging to surface waters.
f. The control structure must be opposite from the runoff entry into the facility to prevent hydraulic short-
circuiting and to ensure full treatment.
Wet detention cannot be used as the sole form of stormwater treatment.If wet detention is used,at least 2.5-
inches of dry retention pre-treatment must be provided before discharging into a wet detention facility.
Guidance on sizing,designing,and permitting wet detention facilities or exfiltration trenches can be found in the
SFWMD Environmental Resource Permit Applicant's Handbook.
i Dry Retention.
j11 Dry retention is a stormwater system designed to prevent the discharge of a given volume of stormwater runoff
into surface waters by complete onsite storage of that volume.A dry retention facility has a bottom elevation at
least 1-foot above the future wet season water table and is usually dry.Stormwater is released only during times
of heavy rainfall or flooding.
j1 Method of Achievement.
Examples of dry retention facilities include infiltration systems(e.g.,vegetated swales and bioretention systems)
and seepage systems (e.g., exfiltration trenches, pervious pavement, and exfiltration vaults). Of these two,
infiltration systems provide better pollution attenuation.The vegetation takes up a percentage of the nutrients
commonly found in stormwater runoff. Most heavy metals bind with the soils above the water table and the
potential for them entering the groundwater is reduced.
Seepage systems consist of an underground facility that relies on a mostly outward dispersion of stormwater from
the facility to the groundwater.These structures are constructed a minimum of 1-foot above the future wet season
water table.These systems are most suitable for areas where the soil has high transmissivity.However,they do
not provide the nutrient uptake that is offered with vegetated infiltration systems.
Infiltration systems and seepage systems need a highly permeable substratum to allow the stormwater runoff to
percolate into the ground.Seepage systems do not require as much land area as infiltration systems since they
can be installed underground.However,the future wet season water table at the project site must be at least 1-
foot below the seepage structure.
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Lkl Control Structures.
u Definition. A control structure is a device through or over which water is discharged from a stormwater
management system. Direct discharge occurs when stormwater is released through a control structure to the
receiving waterbody.If the discharge from the stormwater management system is by a means other than a control
structure(e.g.,sheet flow or spreader swale),it is considered indirect discharge.
12.1 Purpose. The primary purpose of a control structure in a detention facility is to release the calculated runoff
volume slowly over a specified period.In a retention facility,the control structure allows for volumes exceeding
the calculated retention volume to leave the system in a manner that provides adequate downstream flood
protection.
( Types of Control Structures.Direct discharge from a water management facility to the receiving body is usually
achieved through control structures such as weirs and orifices.The following criteria must be met for all methods
of direct discharge:
a Trash collecting gratings must be on the intake of all structures that discharge to surface waters.
b. Detention facilities discharge must be above the permanent pool.
c. If a non single-family residential property is greater than 50 percent impervious or contains a system with
inlets in paved areas,discharge structures must include a baffle,skimmer,or other suitable mechanism for
preventing oil and grease from being discharged.
d. Direct discharge will only be allowed to those areas that due to their large capacity or configuration are able
to absorb concentrated discharges without erosion.
When using indirect discharge to release stormwater, a spreader swale is commonly used. The swale is
positioned parallel to the receiving body, and the side adjacent to the receiving body is lower than the side
opposite the receiving body.Figure 2 illustrates this form of discharg .The swale allows the water to flow into Commented(LG1]:Waiting for response from City
the receiving body but not flood the adjoining property.This method works well when trying to maintain a proper Attorney,reword or provide Figures 1 and 2 to be inserted.
water level in wetlands that are used for stormwater management.The spreader swale is also a treatment facility
for stormwater runoff.Runoff exceeding the first flush is allowed to enter the wetland system via sheet flow.
j� Criteria for Single-Family/Duplex Lots.
al Lots Within Subdivisions With Approved Stormwater Management Plans. In all subdivisions that have an
approved Stormwater Management Plan,all new development must comply with the approved Plan.A lot Grading
Plan,complete with topographic information that complies with this Section,must be submitted for review before
the issuance of the building permit.If the approved Stormwater Management Plan does not contain sufficient lot
grading information to verify that the lot being permitted will drain in accordance with the Plan,the requirements
of Section 2 herein shall apply.
21 Lots Within Subdivisions Without Approved Stormwater Management Plans.Single-family and duplex homes that
are not part of a stormwater drainage system shall provide a Stormwater Management Plan following the
guidelines established herein. The design criteria generally use vegetated swales. However, other retention
practices may be used.The retention volume specified in these design criteria will provide adequate stormwater
treatment on a single-family/duplex lot to meet the City stormwater treatment requirements.However,calculations
demonstrating a net improvement or 95 percent reduction in nutrient loads may be submitted as an alternative to
using the retention volume specified in these design criteria.The stormwater calculations must be completed by
a Florida registered and licensed professional engineer.
The retention volume depends on the lot size and the stormwater management system used. Stormwater
treatment can also be provided using other retention systems such as pervious pavement,exfiltration trenches,
or shallow stormwater vault systems.
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La) If swale(s)are used,they must meet the following criteria:
a. Runoff from the site must be drained to the swale.
b. The swale length must be greater than its width.
c. The swale side slope must be 4:1(horizontal to vertical)or shallower.
d. The swale must be placed so that any natural areas to be preserved are not disturbed.
e. The swale must be at least 6-inches deep.
f. Swales should be vegetated.If a swale is not vegetated,a 6-inch layer of soil amendment formulated to
reduce nutrient loading must be installed directly below the swale.Specifications and published nutrient
reduction test results for the soil amendment media must be provided at the time of testing.Examples of
acceptable media are NutriGoneTM(distributed by EcoSense International)and Bold and Gold®(distributed
by Environmental Conservation Solutions).
Retention systems must discharge off site to prevent flooding,but should not discharge onto adjacent private
property.For retention systems,a control structure will allow runoff exceeding the volume of the swale to be
discharged to the receiving body.More than one retention system may be on the property provided that each
meets these criteria,and the total volume of the retention is at least the calculated volume.Vegetated swales
may be incorporated into the set-back area of land required by the City.
Section 78-107.Dedication or maintenance of stormwater management systems.
(a) Dedication.If a stormwater management system approved under this Code will function as an integral part of the City
maintained regional system,as determined by the City,the City shall have the option of requiring that the facilities be
dedicated to the City.In no event shall any stormwater management system,including lakes,canals,and waterways,
be granted,conveyed or dedicated to the City without the consent of the City Council.
(b) Maintenance by an acceptable entity.
(1) All stormwater management systems that are not dedicated to the City shall be operated and maintained by one
of the following entities:
a. An active water control district created pursuant to Florida Statutes(F.S.)Chapter(Ch.)298 or drainage
district created by special act,or community development district created pursuant to F.S.Ch. 190,or
special assessment district created pursuant to F.S.Ch.170.
b. A State or Federal agency.
c. An officially franchised,licensed or approved communication,water,sewer,electrical or other public utility.
d. The property owner or developer if:
1. Written proof is submitted in the appropriate form by either letter or resolution,that a governmental
entity or such other acceptable entity,as set forth in paragraphs a through c above,will accept the
operation and maintenance of the stormwater management and discharge facility at a time certain
in the future.
2. A bond or other assurance of continued financial capacity to operate and maintain the system is
submitted.
e. For-profit or nonprofit corporations including homeowners'associations, property owners'associations,
condominium owners'associations or master associations if:
1. The owner or developer submits documents constituting legal capacity and a binding legal obligation
between the entity and the City affirmatively taking responsibility for the operation and maintenance
of the stormwater management facility.
2. The association has sufficient powers reflected in its organizational or operational documents to:
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i. Operate and maintain the stormwater management system as permitted by the City.
ii. Establish rules and regulations.
iii. Assess members.
iv. Contract for services.
v. Exist perpetually,with the articles of incorporation providing that if the association is dissolved,
the stormwater management system will be maintained by an acceptable entity as described
above.
u If a project is to be constructed in phases,and subsequent phases will use the same stormwater management
facilities as the initial phase or phases, the operation/maintenance entity shall have the ability to accept
responsibility for the operation and maintenance of the stormwater management systems of future phases of the
project.In any event,the backbone stormwater management system shall be constructed for the entire project.
M In phased developments that have an integrated stormwater management system but employ_independent
operation/maintenance entities for different phases, the operation/maintenance entities, either separately or
collectively, shall have the responsibility and authority to operate and maintain the stormwater management
system for the entire project.That authority shall include cross easements for stormwater management and the
authority and ability of each entity to enter and maintain all facilities,should any entity fail to maintain a portion of
the stormwater management system within the project.
!1 The applicant shall be an acceptable entity and shall be responsible for the operation and maintenance of the
stormwater management system from the time begins until the stormwater management system is dedicated to
and accepted by another acceptable entity.
(c) Offsite stormwater conveyance systems.Where a private offsite stormwater management or conveyance system is
required to obtain a final development order pursuant to the provisions of this Code,perpetual easements shall be
obtained by the developer.The easements required by this Subsection shall provide the City with the right,but not the
obligation to maintain the conveyance or stormwater management system located thereon.
Section 78.108-Prohibition of Illicit Discharge.
j1 No person shall directly or indirectly cause an illicit discharge to enter the stormwater system. Categories of illicit
discharges include,but are not limited to,the following:
j1 Petroleum products including,but not limited to,oil,gasoline,and grease.
j2j Solid waste or sanitary sewage.
M Chemicals including,but not limited to,fertilizers and pesticides.
jai Paints,solvents,or degreasers.
M Concrete slurry.
js� Laundry wastes or soaps.
j7fl Antifreeze and other automotive products.
jai Soil.
u Leaves,branches,and other yard/landscaping waste.
DI) Construction materials.
j111 Toxic or poisonous solids or liquids.
UZI Solids or suspended solids in such quantities or of such size capable of causing interference or obstruction to the
flow in the stormwater system.
Section 78-109.Prohibition of Illicit Connections.
The construction,use,maintenance,or continued existence of illicit connections to the stormwater system is prohibited.
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Section 78-110.Reporting of Illicit Discharges and Illicit Connections.
Upon discovery of an illicit discharge or an illicit connection,the person(s)responsible for the illicit discharge or the illicit
connection shall report his or her findings immediately to the City.
Section 78-111.Enforcement,Penalties,and Liability for Pollution Abatement.
j_41 The provisions of this Ordinance shall be enforced as provided in Chapter 18 of the Code, its amendments, or its
successor provisions.
u No person shall oppose,obstruct,or resist any enforcement officer,designated City staff,or any person authorized by
the enforcement officer or designated City staff in the discharge of his or her duties,as provided in this Ordinance.
f1 Any person responsible for an illicit connection,or an illicit discharge,to the stormwater system,is subject to fine(s)and
shall be responsible to pay both the necessary expenses incurred in evaluating,treating,and disposing of pollutant
materials and also the reasonable cost of repairs.A lien may be placed against the land on which the violation exists
and upon any other real or personal property owned by the violator.
f j The remedies and penalties provided in this Ordinance are not exclusive, and the City may seek whatever other
remedies are authorized by F.S.,at law,or in equity against any person who violates the provisions of this Ordinance.
Section 78.112—Erosion Control Standards.
Laj Clearing except that necessary to establish sediment control devices shall not begin until all sediment control devices
have been installed and have been stabilized clearing techniques that retain natural vegetation and drainage patterns
shall be implemented to the satisfaction of the City Public Works Department or designee.
Lb1 Grading erosion control practices sediment control practices and waterway crossings shall be adequate to prevent
transportation of sediment from the site and be maintained to project completion to the satisfaction of the City Public
Works Department or designee.
u The angle for graded slopes and fills shall not be greater than the angle which can be retained by vegetative cover or
other adequate erosion control devices or structures generally 4:1 or less.Slopes left exposed will within 10 working days
of completion of any phase of grading be planted or otherwise provided with ground cover devices or structures sufficient
to prevent erosion.
Ldl Groundcover sufficient to restrain erosion must be planted or otherwise provided within 10 working days on portions of
cleared land upon which further construction activity is not being undertaken within 30 calendar days of clearing. Commented[LG2]:Pending City Attorney Response,
working or calendar days?
Let Vegetative cover or other erosion control devices or structures used to meet these requirements shall be properly [Commented[PB3R2]:resolvedresolved
maintained during and after construction.
In Temporary seeding or sodding adequate covering or chemical application on exposed soils including stockpiles of topsoil
sand or other construction fill shall be used where delays in construction of more than 7 calendar days are anticipated. Commented[LG4]:Pending City Attorney Response,
working or calendar days?
Commented[PBSR4]:resolved
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jai The operator of any construction project that disturbs one acre or more or is part of the larger common plan of development
or sale which disturbs one acre,or more is required to obtain the proper Stormwater Permit from the Florida Department
of Environmental Protection and to comply with all the terms and conditions of the permit in addition to any City
requirements.The operator shall maintain a copy of the Permit on-site for review by any authorized official upon request.
f h1 Waste generated onsite including but not limited to discarded building materials concrete truck wash out chemicals litter
and sanitary waste must be stored secured or otherwise controlled to the maximum extent practicable to prevent adverse
impacts to water quality.
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