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2023-05-18 V. A. 23-001-TRC Nutrients Information
Page 1 of 5 Complete Report (not including cost) Ver 4.3.5 Project: FL22024 Date: 31/03/2023 08:10:11 a. m. Site and Catchment Information Analysis: BMP Analysis Catchment Name BLOCK 110 Rainfall Zone Florida Zone 2 Annual Mean Rainfall 50.00 Pre -Condition Landuse Information BLOCK 121 Florida Zone 2 50.00 Landuse Undeveloped - Upland Hardwood: Undeveloped - Upland Hardwood: TN=1.042 TP=0.346 TN=1.042 TP=0.346 Area (acres) 2.26 2.35 Rational Coefficient 0.00 0.00 (0-1) Non DCIA Curve 29.90 29.90 Number DCIA Percent (0-100) 0.00 0.00 Nitrogen EMC (mg/1) 1.042 1.042 Phosphorus EMC 0.346 0.346 (mg/1) Runoff Volume (ac- 0.018 0.019 ft/yr) Groundwater N 0.000 0.000 (kg/yr) Groundwater P 0.000 0.000 (kg/yr) Nitrogen Loading 0.024 0.025 (kg/yr) Phosphorus Loading 0.008 0.008 (kg/yr) Post -Condition Landuse Information Landuse Single -Family: TN=2.070 TP=0.327 Single -Family: TN=2.070 TP=0.327 Area (acres) 2.26 2.35 Rational Coefficient 0.16 0.15 (0-1) Non DCIA Curve 84.73 84.24 Number DCIA Percent (0-100) 0.00 0.00 about:blank 31 /03/2023 Page 2 of 5 Wet Pond Area (ac) 0.00 0.00 Nitrogen EMC (mg/1) 2.070 2.070 Phosphorus EMC 0.327 0.327 (mg/1) Runoff Volume (ac- 1.482 1.494 ft/yr) Groundwater N 0.000 0.000 (kg/yr) Groundwater P 0.000 0.000 (kg/yr) Nitrogen Loading 3.782 3.812 (kg/yr) Phosphorus Loading 0.597 0.602 (kg/yr) Catchment Number: 1 Name: BLOCK 110 Project: FL22024 Date: 31/03/2023 Retention Design Retention Depth (in) 1.100 Retention Volume (ac-ft) 0.207 Watershed Characteristics Catchment Area (acres) 2.26 Contributing Area (acres) 2.260 Non-DCIA Curve Number 84.73 DCIA Percent 0.00 Rainfall Zone Florida Zone 2 Rainfall (in) 50.00 Surface Water Discharge Required TN Treatment Efficiency (%) Provided TN Treatment Efficiency (%) 87 Required TP Treatment Efficiency (%) Provided TP Treatment Efficiency (%) 87 Media Mix Information Type of Media Mix Not Specified Media N Reduction (%) Media P Reduction (%) about:blank 31 /03/2023 Page 3 of 5 Groundwater Discharge (Stand -Alone) Treatment Rate (MG/yr) 0.471 TN Mass Load (kg/yr) 3.272 TN Concentration (mg/L) 2.070 TP Mass Load (kg/yr) 0.517 TP Concentration (mg/L) 0.327 Load Diagram for Retention (stand-alone) Load Treatment Surface Discharge N: 3.78 kg/yr --)� N: 87 % N: 0.51 kg/yr P: 0.60 kg/yr P: 87 % P: 0.08 kg/yr Mass Reduction N: 3.27 kg/yr P: 0.52 kg/yr Load Diagram for Retention (As Used In Routing) Load Treatment Mass Discharged Upstream Nodes N: 3.78 kg/yr N: 86.5 % N: 0.51 kg/yr None P: 0.60 kg/yr P: 86.5 % P: 0.08 kg/yr Q: 1.48 ac-ft Q: 0.20 ac-ft Mass Removed N: 3.27 kg/yr P: 0.52 kg/yr Catchment Number: 2 Name: BLOCK 121 Project: FL22024 Date: 31/03/2023 Retention Design Retention Depth (in) 1.060 Retention Volume (ac-ft) 0.208 about:blank 31 /03/2023 Page 4 of 5 Watershed Characteristics Catchment Area (acres) 2.35 Contributing Area (acres) 2.350 Non-DCIA Curve Number 84.24 DCIA Percent 0.00 Rainfall Zone Florida Zone 2 Rainfall (in) 50.00 Surface Water Discharge Required TN Treatment Efficiency (%) Provided TN Treatment Efficiency (%) 86 Required TP Treatment Efficiency (%) Provided TP Treatment Efficiency (%) 86 Media Mix Information Type of Media Mix Not Specified Media N Reduction (%) Media P Reduction (%) Groundwater Discharge (Stand -Alone) Treatment Rate (MG/yr) 0.000 TN Mass Load (kg/yr) 3.273 TN Concentration (mg/L) 0.000 TP Mass Load (kg/yr) 0.517 TP Concentration (mg/L) 0.000 Load Diagram for Retention (stand-alone) Load Treatment Surface Discharge N: 3.81 kg/yr --)� N: 86 % N: 0.54 kg/yr P: 0.60 kg/yr P: 86 % P: 0.09 kg/yr Mass Reduction N: 3.27 kg/yr P: 0.52 kg/yr Load Diagram for Retention (As Used In Routing) about:blank 31 /03/2023 Page 5 of 5 Load Treatment Mass Discharged Upstream Nodes N: 3.81 kg/yr N: 85.9 % N: 0.54 kg/yr None P: 0.60 kg/yr P: 85.9 % P: 0.09 kg/yr Q: 1.49 ac-ft Q: 0.21 ac-ft I Mass Removed N: 3.27 kg/yr P: 0.52 kg/yr Summary Treatment Report Version: 4.3.5 Project: FL22024 Analysis Type: BMP Analysis BMP Types: Catchment 1 - (BLOCK 110) Retention Catchment 2 - (BLOCK 121) Retention Based on % removal values to the nearest percent Summary Report Nitrogen Surface Water Discharge Total N post load Percent N load reduction Provided N discharge load Provided N load removed Phosphorus Surface Water Discharge Total P post load Percent P load reduction Provided P discharge load Provided P load removed Date:31/03/2023 Routing Summary Catchment 1 Routed to Outlet Catchment 2 Routed to Outlet 7.59 kg/yr 86 % 1.05 kg/yr 2.31 lb/yr 6.55 kg/yr 14.43 lb/yr 1.2 kg/yr 86 % .166 kg/yr .37 lb/yr 1.034 kg/yr 2.28 lb/yr about:blank 31 /03/2023