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Home My WebLink AboutSW5240801_Design Calculations_20241119 Welcome to NCDEQ's Stormwater Nitrogen and Phosphorus(SNAP)Tool DE How to Use SNAP v4.2.0 Ra(R How are you using SNAP? Helpful Links and Resources: New Development-Regulatory Compliance: No New Development/Non-Regulatory: Precipitation Station Map Falls Lake Stormwater Rules CCAP Proiect SNAP Users'Manual Jordan Lake Stormwater Rules Grant Programs: 319h Land&W?!_r Fund NGSU BAEStormwgter Resources Nouse Stormwater Rule 2D5. Water Resources Development Bioretention HyPerTool Tar-Pamlico Stormwater Rule Stormwater Retrofit PermPave HyPerMod Other State or Local Stormwater Nutrient Requirements SCM-Based Nutrient Bank Rainwater Harvester Who is your stormwater regulator?(check maul Landcover Conversion DEMLR Stormwater Manual Research Project SCM Design Specs&Guidelines Etc. NPS Planning webpage Review Project With Regulator: All Nutrient Management Strategies Identify Existing Built-Upon Area's)on Site Nutrient Reduction Practices and Crediting Review project info against regulation applicability: (Gather Info&Enter Data: 2023 NC SCM Credit Document •Landuse type,part of Commmon Plan of Development? Pre-Project Land Covers(sgft) Background documentation on SCMs •Is Net Change in Built-Upon Area(BUM>Zero? Post-Project Land Covers(sgft) •Nitrogen and Phosphorus Export Rate Targets? Find Your Precipitation Station SNAP broken/not working??? I •onsite Stormwater Treatment Requirements/Targets? !Ga To-->Land Cover Characteristics Sheet Many Excel functions like cut&paste or al •Disturbance thresholds? Stormwater Control Measure'SCM)Type spre&drop set randdama feunctioning spreadsheet setup and functioning •Project Density&thresholds? Hydrologic Soil Group at Site If you encounter strange spreadsheet beha•Other project information related too applicability? Area drainingto SCM,includingSCM footprint nnur second odtime recommend you download proje pp ty? prin SNAP we time Is nutrient calculation required? •Go To—>SCM Characteristics Sheet Is onsite stormwater treatment required?How much? Does project receive runoff from offsite or Existing BOA? •See Users Manual for Help with more complex scenarios Find Your Nutrient Reduction: AGO To Nutrient Export Summary Sheet Look up results-Project Area Post-Project after Treatment: Gather Info&Enter Data: •Total Nitrogen Change lib/yr) Project Information Needed for Recordkeeping •Total Phosphorus Change(Ib/yr) •Ga To-->Project Info Sheet DONE! Pre-Protect Land Covers(sgft) Post-Project land Covers(5gft) Find Your Precipitation Station •Go To—>Land Cover Characterlsncs sheet Check Post-Project Condition Against Targets: Stormwater Control Measure(SCM)Type(s) Review Results with Regulator: Hydrologic Soil Group at Site ISonsite treatment/nutrient reduction met? Area draining to SCM(s),including SCM footprint's) Is Runoff Volume Match an option? •Go To-->SCM Characteristics Sheet IS there Of/site run-on or Existing BUA? Multiple SCM arrangements possible: —>Check Users Manual for complex site nutrient accounting •Max 6 catchments,series or parallel IS there a nutrient export balance after treatment? •3 SCMs in series per catchment •Ga To Nutrient Export Summon •See Users Manual for Help Look up: A:TN and TP export targets scaled to to Project Area(Ib/yr) B:Project Area Post-Project after Treatment:TN and TP Load(Ib/yr) Meeting Requirements If1>A=remaining nutrient treatment balance DONE! Email Workbook to Regulator Not Fully Meeting Requirements ) i i 1 Use Runoff Volume Match Not meeting onsite treatment Meeting onsite treatment but still have a balance See Regulator for instructions Use a Regional SCM,consult with Regulator Remaining balance can be met with Nutrient Offsets: Mark syes"Project uses LID/Runoff Volume Match •Ga To-->Project Info Sheet Consult with Regulator and Nutrient Offset Program Go To—>Project Info Sheet OR:Adjust Post-Project Landcovers •Ga To—>Nutrient Offset Sheet Adjust Landcover details as needed •Ga To—>Land Cover Charocterisncs Sheet DONE!-Email Workbook to Regulator .Ga To—>Land Cover Characteristics Sheet OR:Scope out best SCMs for objectives OR:Adjustlandcovers/SCMs until meeting targets onsite Adjust SCM details as needed Jsee Users Manual for help' •Ga To—>Land Cover Character/sacs Sheet •Go To-->SCM Characteristic Sheet •Go To-->SCM Characteristics Sheet •Go To-->SCM Characteristics Sheet DONE!-Email Workbook to Regulator Go back to Check Post-Project Against Targets Go back to Check Post-Project Against Targets Project Information Complete this sheet if required by your reviewing authority. Contact them for any questions. Grey boxes/text are optional. SNAPv4.2.0 LOCATION Project Name(optional): Spring Hope 1151V Substation Rebuild Parcel ID(optional): Submission Date(optional): date Nutrient Management Watershed: Tar_Pamlico menu Local Jurisdiction/Reviewing Agency: Nash County menu Subwatershed: Upper_Tar_River menu Project Latitude Coordinates(optional): N Phosphorus Delivery Zone: Tar-Upper 03020101 menu Project Longitude Coordinates(optional): W Nitrogen Delivery Zone: Tar-Upper 03020101 menu PROJECT DETAILS Development Land Use Type: Industrial menu Disturbed Area: 283,961 ft2 Part of Common Development Plan? no y/n Project Activity: Development- Expansion menu Designated Downtown Area? no y/n Project Drains to SA Waters? no yin Public Linear Road/Sidewalk Project? no y/n Pre-Project Land Use: developed menu Project Owner Type: Private menu Project Description(optional): STORM WATER DETAILS i (Falls ONLY)Onsite Reduction%Req. % Project Uses LID/Runoff Volume Match? no yin Existing BUA/Development Onsite? yes y/n Local Gov't nutrient req's same as State? yes y/n Local Gov't cutoff date for Existing BUA: date Project Drains to Regional SCM? no yin Nitrogen Export Rate Target: 4.00 Ib/ac/yr Total Nitrogen Offset Credits Needed: 0.0 lb/yr Phosphorus Export Rate Target: 0.80 lb/ac/yr Total Phosphorus Offset Credits Needed: 0.0 lb/yr SNAP v4.2.0 Project Area and Offsite Land Cover Characteristics Precipitation Rocky Mount Station: Copy d ?as to VALUES ONLY for Best Results Click here to scroll down to error messages on this sheet. I PROJECT AREA LAND COVERS TN EMC (mg/L) TP EMC(mg/L) Pre-Project Area (ft2) Post-Project Area (ft2) Change pre-to-post(ft2) 1 Roof 1.18 0.11 0 Roadway 1.64 0.34 8,977 8,977 Parking/Driveway/Sidewalk 1.42 0.18 0 Protected Forest 0.97 0.03 0 Managed Pervious/Landscaping 2.48 1.07 283,961 264,532 -19,429 Offsite or Existing Roof 1.18 0.11 0 Offsite or Existing Roadway 1.64 0.34 0 Offsite or Existing Parking/Driveway/Sideww, 1.42 0.18 0 Offsite Protected Forest 0.97 0.03 0 Offsite Managed Pervious 2.48 1.07 0 CUSTOM LAND COVER 1 0 CUSTOM LAND COVER 2 0 CUSTOM LAND COVER 3 0 LAND TAKEN UP BY SCM 1.18 0.11 10,452 10,452 Total (Regulated & UnReg)Area 283,961.00 283,961.00 Project (Regulated)Area 283,961.00 283,961.00 SCM Characteristics Stormwater Control Measure (SCM) Characteristics Click here to go to Copy & Paste VALUES ONLY for SCM101's Land Cover Data SNAP v4.2.0 Best Results II Catchment ID 1 1 N 1 Drains to Drains to SCM ID 101 102 103 7 Type of SCM Pollutant Swale -Dry lHydrologic soil group at SCM location B SCM Description PD-01 ■ Design Storm Size(inches/24hrs) 0.75 ■ Percent of Full Size 100% ■ %Annual Effluent 77% 0% 0% %Annual Overflow 10% 0% 0% ■ %Annual ET/Infiltrated 14% 0% 0% ■ Custom %Annual Effluent ■ Custom%Annual Overflow ■ Custom %Annual ET/Infiltrated ■ SCM Effluent TP EMC(mg/L) 0.13 0.00 0.00 ■ SCM Effluent TN EMC(mg/L) 1.07 0.00 0.00 ■ Custom Effluent TP EMC ■ Custom Effluent TN EMC ■ SCM Land Cover TP EMC(mg/L) 0.11 0.00 0.00 SCM Land Cover TN EMC(mg/L) 1.18 0.00 0.00 1 This SCM Drains to Numbered SCM 0 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 101 SCM 102 SCM 103 Catchment 1 Catchment 2 no Catchment 3 no Catchment 4 no Catchment 5 no Catchment 6 no Error Check-Missing SCM Area: SCM Characteristics L. Error Check-Min/Max Size: lb" Error Check-Hydrology: Error Check-Missing SCM Info: Error Check-Drainage Data w/o SCM: IIError Checks-SCM Type: MI SCM ID: 101 102 103 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 101 (ft2) SCM 102(ft2) SCM 103 (ft2) Roof Roadway 2,571 Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping 34,457 Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidewalk Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM 1,740 TOTAL AREA DRAINING TO SCM (ft2): 38,768 0 0 CATCHMENT AREA(ft2): 38,768 SCM Characteristics Stormwater Control Measu Click here to go to Click here to go back to the Click here to review Errors Summary Data top SNAP v4.2.0 Catchment ID 2 2 2 Drains to Drains to SCM ID 201 202 I 203 Er Type of SCM Pollutant Swale -Dry Pollutant Swale - Dry ` Hydrologic soil group at SCM location B B I. SCM Description PD-02A PD-02B it-Design Storm Size(inches/24hrs) 0.75 0.75 L. Percent of Full Size 100% 100% . %Annual Effluent ) 77% 77% 0% %Annual Overflow III10% 10% 0% %Annual ET/Infiltrated ■ 14% 14% 0% Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated L SCM Effluent TP EMC(mg/L) 0.13 0.13 0.00 U SCM Effluent TN EMC(mg/L) 1.07 1.07 0.00 ' Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) 0.11 0.11 0.00 SCM Land Cover TN EMC(mg/L) 1.18 1.18 0.00 This SCM Drains to Numbered SCM 202 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 201 SCM 202 SCM 203 Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: ili, Error Check-Hydrology: Error Check-Missing SCM Info: 1 _ Error Check-Drainage Data w/o SCM: L _ Error Checks-SCM Type: NI SCM ID: 201 I 202 203 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 201 (ft2) SCM 202(ft2) SCM 203 (ft2) Roof Roadway 767 1,444 Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping 12,681 42,073 Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidewk Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM 1,362 1,350 TOTAL AREA DRAINING TO SCM (ft2): 14,810 44,867 0 CATCHMENT AREA(ft2): 59,677 SCM Characteristics Stormwater Control Measu SNAP v4.2.0 Catchment ID 3 3 3 Drains to L Drains to SCM ID 301 302 > 303 Er Type of SCM Pollutant Swale -Dry ` Hydrologic soil group at SCM location B I. SCM Description PD-03 it-Design Storm Size(inches/24hrs) 0.75 LPercent of Full Size 100% . %Annual Effluent ) 77% 0% 0% %Annual Overflow III10% 0% 0% %Annual ET/Infiltrated ■ 14% 0% 0% Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated L SCM Effluent TP EMC(mg/L) 0.13 0.00 0.00 U SCM Effluent TN EMC(mg/L) 1.07 0.00 0.00 ' Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) 0.11 0.00 0.00 SCM Land Cover TN EMC(mg/L) 1.18 0.00 0.00 This SCM Drains to Numbered SCM 0 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 301 SCM 302 SCM 303 Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: Fill Error Check-Hydrology: Error Check-Missing SCM Info: 1 _ Error Check-Drainage Data w/o SCM: L _ Error Checks-SCM Type: NI SCM ID: 301 I 302 303 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 301 (ft2) SCM 302(ft2) SCM 303 (ft2) Roof Roadway 894 Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping 3,870 Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidewk Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM 1,770 TOTAL AREA DRAINING TO SCM (ft2): 6,534 0 0 CATCHMENT AREA(ft2): 6,534 SCM Characteristics Stormwater Control Measu SNAP v4.2.0 Catchment ID 4 4 4 Drains to Drains to SCM ID 401 402 j 403 Er Type of SCM Pollutant Swale -Dry ` Hydrologic soil group at SCM location B I. SCM Description PD-04 it-Design Storm Size(inches/24hrs) 0.75 L. Percent of Full Size 100% . %Annual Effluent ) 77% 0% 0% %Annual Overflow III10% 0% 0% %Annual ET/Infiltrated ■ 14% 0% 0% Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated L SCM Effluent TP EMC(mg/L) 0.13 0.00 0.00 U SCM Effluent TN EMC(mg/L) 1.07 0.00 0.00 ' Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) 0.11 0.00 0.00 SCM Land Cover TN EMC(mg/L) 1.18 0.00 0.00 This SCM Drains to Numbered SCM 0 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 401 SCM 402 SCM 403 Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: Fill Error Check-Hydrology: Error Check-Missing SCM Info: 1 _ Error Check-Drainage Data w/o SCM: L _ Error Checks-SCM Type: NI SCM ID: 401 I 402 403 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 401 (ft2) SCM 402(ft2) SCM 403 (ft2) Roof Roadway 2,105 Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping 25,567 Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidew- Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM 2,820 TOTAL AREA DRAINING TO SCM (ft2): 30,492 0 0 CATCHMENT AREA(ft2): 30,492 SCM Characteristics Stormwater Control Measu SNAP v4.2.0 Catchment ID 5 5 5 Drains to Drains to SCM ID 501 N. 502 > 503 Er Type of SCM Pollutant Swale -Dry ` Hydrologic soil group at SCM location B I. SCM Description PD-05 it-Design Storm Size(inches/24hrs) 0.75 L. Percent of Full Size 100% . %Annual Effluent ) 77% 0% 0% %Annual Overflow III10% 0% 0% %Annual ET/Infiltrated ■ 14% 0% 0% Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated L SCM Effluent TP EMC(mg/L) 0.13 0.00 0.00 U SCM Effluent TN EMC(mg/L) 1.07 0.00 0.00 ' Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) 0.11 0.00 0.00 SCM Land Cover TN EMC(mg/L) 1.18 0.00 0.00 This SCM Drains to Numbered SCM 0 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 501 SCM 502 SCM 503 Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 , Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: Fill Error Check-Hydrology: Error Check-Missing SCM Info: 1 _ Error Check-Drainage Data w/o SCM: L _ Error Checks-SCM Type: NI SCM ID: 501 I 502 503 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 501 (ft2) SCM 502(ft2) SCM 503 (ft2) Roof Roadway 0 Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping 26,572 Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidew- Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM 1,410 TOTAL AREA DRAINING TO SCM (ft2): 27,982 0 0 CATCHMENT AREA(ft2): 27,982 SCM Characteristics Stormwater Control Measu SNAP v4.2.0 Catchment ID 6 6 6 Drains to Drains to SCM ID 601 > 602 > 603 Type of SCM ` Hydrologic soil group at SCM location SCM Description it-Design Storm Size(inches/24hrs) L. Percent of Full Size %Annual Effluent 0% 0% 0% %Annual Overflow 0% 0% 0% %Annual ET/Infiltrated 0% 0% 0% Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated SCM Effluent TP EMC(mg/L) 0.00 0.00 0.00 U SCM Effluent TN EMC(mg/L) 0.00 0.00 0.00 Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) 0.00 0.00 0.00 SCM Land Cover TN EMC(mg/L) 0.00 0.00 0.00 This SCM Drains to Numbered SCM 0 0 0 Catchments Draining to Catchments Draining to Catchments Draining to Catchment Routing SCM 601 SCM 602 SCM 603 Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: Fill Error Check-Hydrology: Error Check-Missing SCM Info: 1 _ Error Check-Drainage Data w/o SCM: L _ Error Checks-SCM Type: NI SCM ID: 601 I 602 603 Area Draining Directly to Area Draining Directly to Area Draining Directly to SCM Drainage Area Land Covers SCM 601 (ft2) SCM 602(ft2) SCM 603 (ft2) Roof Roadway Parking/Driveway/Sidewalk Protected Forest Managed Pervious/Landscaping Offsite or Existing Roof Offsite or Existing Roadway Offsite or Existing Parking/Driveway/Sidew- Offsite Protected Forest Offsite Managed Pervious CUSTOM LAND COVER 1 CUSTOM LAND COVER 2 CUSTOM LAND COVER 3 LAND TAKEN UP BY SCM TOTAL AREA DRAINING TO SCM (ft2): 0 0 0 CATCHMENT AREA(ft2): 0 SCM Characteristics Stormwater Control Measu SNAP v4.2.0 Catchment ID II SCM ID Type of SCM ` Hydrologic soil group at SCM location SCM Description it-Design Storm Size(inches/24hrs) L. Percent of Full Size %Annual Effluent %Annual Overflow %Annual ET/Infiltrated Custom %Annual Effluent rCustom%Annual Overflow F. Custom %Annual ET/Infiltrated SCM Effluent TP EMC(mg/L) U SCM Effluent TN EMC(mg/L) Custom Effluent TP EMC IP Custom Effluent TN EMC SCM Land Cover TP EMC(mg/L) SCM Land Cover TN EMC(mg/L) This SCM Drains to Numbered SCM Catchment Routing Catchment 1 Catchment 2 Catchment 3 Catchment 4 Catchment 5 Catchment 6 Error Check-Missing SCM Area: SCM Characteristics Error Check-Min/Max Size: ili, Error Check-Hydrology: Error Check-Missing SCM Info: Error Check-Drainage Data w/o SCM: Error Checks-SCM Type: NI SCM ID: I Allowable Total Land Use Total Land Use Area Post-Project Untreated SCM Drainage Area Land Covers Z Area to be Treated Based on z Treated By All SCMs(ft ) 2 Land Area (ft2) Post-Project Areas(ft2) Roof 0 0 0 Roadway 7,781 8,977 1,196 Parking/Driveway/Sidewalk 0 0 0 Protected Forest 0 0 0 Managed Pervious/Landscaping 145,220 264,532 119,312 Offsite or Existing Roof 0 0 0 Offsite or Existing Roadway 0 0 0 Offsite or Existing Parking/Driveway/Sidem 0 0 0 Offsite Protected Forest 0 0 0 Offsite Managed Pervious 0 0 0 CUSTOM LAND COVER 1 0 0 0 CUSTOM LAND COVER 2 0 0 0 CUSTOM LAND COVER 3 0 0 0 LAND TAKEN UP BY SCM 10,452 10,452 0 TOTAL AREA DRAINING TO SCM (ft2): 163,453 283,961 120,508 CATCHMENT AREA(ft2): Nutrient Export Summary Landcover &t SCM Data Review Errors/Advisories Avg Annual precip (in) = 44.81 Total (Regulated+ 283,961 Unregulated)Area (ft2) = Project(Regulated) Z 283,961 Area (ft ) = Net BUA(Project Area Z 8,977 Net BUA indicates new development or expansion. BUA only ft ) = Custom Landcovers are no present: Total Nitrogen Export Target 26.08 Scaled to Project Area (lb/yr): Total Area Total Area Project Area Project Area (Onsite+ Post-Project Post-Project Nutrient Export Summary Offsite) (Onsite Only) before before Pre-Project Pre-Proiect Treatment Treatment Area (All Landcover Types)(acres) 6.5188 6.5188 6.5188 6.5188 Percent Built-Upon Area(BUA) (%) 0% 0% 3% 3% Built-Upon Area(BUA)(sqft) 0 0 8,977 8,977 Annual Runoff Volume(ft3/yr) 47,716 47,716 108,239 108,239 Annual Runoff%Change 127% 127% Total Runoff Change(cuft/yr) 60,523 60,523 Total Nitrogen EMC(mg/L) - 2.48 2.48 1.84 1.84 Total Nitrogen Load Leaving Site(Ib/yr) 7.39 7.39 12.41 I 12.41 Total Nitrogen Loading Rate(Ib/ac/yr) 1.13 1.13 1.90 1.90 Total Nitrogen%Change Pre-to-Post \'\'Z'N'V , 68% 68% Total Nitrogen Change(Ib/yr) Pre-to-Post 5.02 5.02 Total Phosphorus EMC(mg/L) 1.07 1.07 0.57 0.57 Total Phosphorus Load Leaving Site(Ib/yr) 3.19 3.19 3.82 3.82 Total Phosphorus Loading Rate(Ib/ac/yr) 0.49 0.49 0.59 0.59 Total Phosphorus%Change Pre-to-Post ‘'‘\� 20/ 20/ _ Total Phosphorus Change (Ib/yr)Pre-to-Post 0.63 0.63 L SCM/Catchment Summary I I SCM ID and Type Volume TN Reduction TP Reduction TN Out TP Out Reduction(%) (%) (%) (Ibs/ac/yr) (Ibs/ac/yr) Catchment 1 13.50% 43.35% 69.57% 1.38 I 0.21 101:Pollutant Swale -Dry _ 13.50% 43.35% 69.57% 1.38 0.21 - 102:NA 0.00% 0.00% 0.00% 0.00 0.00 103:NA - 0.00% 0.00% 0.00% 0.00 0.00 - Catchment 2 17.71% 47.63% 73.71% 1.08 0.16 201:Pollutant Swale -Dry _ 13.50% 39.16% 64.90% 1.64 0.23 202:Pollutant Swale -Dry 13.50% 39.98% 68.05% 1.08 0.16 203:NA - 0.00% 0.00% 0.00% 0.00 0.00 Catchment 3 13.50% 32.04% 49.61% 3.77 0.49 301:Pollutant Swale -Dry 13.50% 32.04% 49.61% 3.77 0.49 302:NA 0.00% 0.00% 0.00% 0.00 0.00 303:NA 0.00% 0.00% 0.00% 0.00 0.00 Catchment 4 13.50% 39.09% 64.36% 1.79 0.25 401:NA 13.50% 39.09% 64.36% 1.79 0.25 402:NA 0.00% 0.00% 0.00% 0.00 0.00 403:NA 0.00% 0.00% 0.00% 0.00 0.00 Catchment 5 13.50% 44.92% 72.79% 0.89 0.14 501:NA 13.50% 44.92% 72.79% 0.89 0.14 502:NA 0.00% 0.00% 0.00% 0.00 0.00 503:NA - 0.00% 0.00% 0.00% 0.00 0.00 Catchment 6 0.00% 0.00% 0.00% 0.00 0.00 601:NA 0.00% 0.00% 0.00% 0.00 0.00 602:NA 0.00% 0.00% 0.00% 0.00 0.00 603:NA 0.00% 0.00% 0.00% 0.00 0.00 SNAP v4.2.0 Errors/Advisories SCM Area (ft2) = 10,452 SCM Treated Area (ft2) = 163,453 Catchment Routing: No errors Treating Runoff from no Existing BUA or Offsite: Disturbed Area (ft2) = 283,961 Total Phosphorus Export Target 5.22 Scaled to Project Area (Ib/yr): Total Area Project Area Total Area Project Area Total Area Project Area Post-Project Post-Project Post-Project Post-Project Post-Project Post-Project SCM-Treated SCM-Treated Untreated Untreated after Treatment after Treatment Area Only Area Only Areas Areas 6.5188 6.5188 3.7524 3.7524 2.7665 2.7665 3% 3% 5% _ 5% 1% 1% 8,977 8,977 7,781 - 7,781 1,196 I 1,196 95,779 95,779 71,912 71,912 23,867 23,867 0000000 \\00� 101% 101% o000000 , 000 00000 ooOo o\� .,. 48,063 48,063 0 \\\\\\ 1.44 J 1.44 1.14 - 1.14 _ 2.35 - 2.35 8.59 _ 8.59 5.09 5.09 _ 3.50 3.50 1.32 1.32 1.36 1.36 1.26 1.26 16% _ 16% 1.20 1.20 \__. 0.36 0.36 0.17 0.17 0.95 0.95 2.16 2.16 0.74 0.74 1.42 1.42 _ 0.33 0.33 0.20 0.20 0.51 0.51 -32/0 0 \''''''\'\'\oo00 \� ° 32% o � \% \\\\\\ \\\\\\\\4 -1.03 -1.03 1 i Falls Lake ONLY: Onsite Reduction Compliance Check Nitrogen Phosphorus Onsite%Reduction Requirement Export Target Scaled to Area(Ib/yr) 26.08 5.22 Export Load Post-Project Before Treatment 12.41 3.82 Total Reduction Need (Ib/yr) Onsite Reduction Need (Ib/yr) Onsite Export Target(Ib/yr) Project Area Post-Project After Treatment 8.59 2.16 ' J Nutrient Management Strategy Watershed - Nutrient Offset Credit Reporting Form SNAP v4.2.0 Please complete and submit the following information to the local government permitting your development project to characterize it and assess the need to purchase nutrient offset credits. Contact and rule implementation information can be found online at: http://deq.nc.gov/about/divisions/water-resources/pla nning/nonpoint-source-management/nutrient-offset-information PROJECT INFORMATION Applicant Name: Project Name: Spring Hope 1151V Substation Rebuild Project Address: Date: (mm/dd/yyyy) Development Land Use Type: Industrial County: Project Activity Type: Development-Expansion Project Area(sqft): 283,961 Project Latitude: 0.000000 Post-Project Built-Upon Area%: 3.16% I Project Longitude: 0.000000 WATERSHED INFORMATION Nutrient Management Watershed: Tar Pamlico N Target Export Rate(Ib/ac/yr): 4.00 Subwatershed: Upper_Tar_River P Target Export Rate(Ib/ac/yr): 0.80 Nitrogen Delivery Zone: Tar-Upper 03020101 Nitrogen Delivery Factor: 100% Phosphorus Delivery Zone: Tar-Upper 03020101 Phosphorus Delivery Factor: 100% PERMANENT NUTRIENT OFFSET REQUEST Post-Project Nitrogen Calculations -Projects with No Offsite or Built-Upon Area (A) (B) (C) (D) (F) (G) (Where Applicable) TN Export TN Remaining TN Permanent Additional I Total TN TN Untreated TN Treated TN Delivery Offsets Permanent Load(Ib/yr) Target Load Load(Ib/yr) Reduction Factor(%) Required Local Gov't Offsets to (Ib/yr) Need(Ib/yr) (Ib/yr) Offsets(Ib/yr) Buy(Ib/yr) 12.4 26.1 8.6 0.0 100.0% 0.0 0.0 Post-Project Phosphorus Calculations -Projects with No Offsite or Built-Upon Area (A) (B) (C) (D) (F) (G) (Where Applicable) TP Export TP Remaining TP Permanent Additional I Total TP TP Untreated TP Treated TP Delivery Offsets Permanent Load(Ib/yr) Target Load Load(Ib/yr) Reduction Factor(%) Required Local Gov't Offsets to (Ib/yr) Need(Ib/yr) (Ib/yr) Offsets(Ib/yr) Buy(Ib/yr) 3.8 5.2 2.2 0.0 100.0% 0.0 I 0.0 LOCAL GOVERNMENT AUTHORIZATION Local Government Name:I Staff Name: Phone: Staff Email: Date: Local Government Authorizing Signature: Regulated_Entity_ID (GNIS code) SNAP Named Fields, Data Values - set up for import to a Database Table Desc Parent IDs SNAP Data Name Database IDs 1. PROJECT VARIABLES 0 Project_ID 0 0 SNAP version 0 0 Parcel_ID 0 0 Submission_Date 0 0 Project_Latitude 0 0 Project_Longitude 0 0 Project_Desc 0 0 Project_Dev_LU 0 0 Project_Common_Plan 0 0 Project_Downtown 0 0 Project_Linear_Trans 0 0 Project_Owner 0 0 Disturbed Area 0 0 Existing_BUA_Onsite 0 0 TN_Offsets 0 0 TN_Target_Rate 0 0 TP_Offsets 0 0 TP_Target_Rate 0 0 Project_Name 0 0 Submission_Date 0 0 Reviewing_Jurisdiction 0 0 Project_Latitude 0 0 Project_Longitude 0 0 Project_Activity 0 0 Project_Drains2SA 0 0 Pre_Project_LU 0 0 Project_Desc 0 0 Project_Local_ExistBUA_Date 0 0 Falls Onsite Reduction Pcnt 0 0 Project_RunoffVol_Match 0 0 Parcel_ID 0 0 Project_NMS 0 0 Project_Subwat 0 0 Project_Phos_Zone 0 0 Project_Nit_Zone 0 0 Precip_Site 0 2. CUSTOM LANDCOVER 0 VARIABLES 0 WSCustLC1Imp 0 WSCustLC2Imp 0 0 WSCustLC3Imp 0 0 WSCustLC1TNEMC 0 0 WSCustLC2TNEMC 0 0 WSCustLC3TNEMC 0 0 WSCustLC1TPEMC 0 0 WSCustLC2TPEMC 0 0 WSCustLC3TPEMC 0 3. LAND COVERS PRE- PROJECT(sqft) 0 WSLC1Pre 0 0 WSLC2Pre 0 0 WSLC3Pre 0 0 WSLC4Pre 0 0 WSLC5Pre 0 0 WSLC6Pre 0 0 WSLC7Pre 0 0 WSLC8Pre 0 0 WSLC9Pre 0 0 WSLC10Pre 0 0 WSLC37Pre 0 0 WSLC38Pre 0 0 WSLC39Pre 0 0 WSLC40Pre 0 4. LAND COVERS POST- PROJECT(sqft) 0 WSLC1Post 0 0 WSLC2Post 0 0 WSLC3Post 0 0 WSLC4Post 0 0 WSLCSPost 0 0 WSLC6Post 0 0 WSLC7Post 0 0 WSLC8Post 0 0 WSLC9Post 0 0 WSLC10Post 0 0 WSLC37Post 0 0 WSLC38Post 0 0 WSLC39Post 0 0 WSLC40Post 0 5. ERRORS 0 Error_Precip_Station 0 0 Error_Total_Area 0 0 Error_Project_Area 0 0 Error_SCM_Data 0 0 Error_SCM_Area 0 0 Error_SCM_Routing 0 0 Error_CustLCs 0 0 Error_DisturbedArea 0 6. CALCULATED VALUES AND RESULTS 0 Project_TN_Delivery_Factor 0 0 Project_TP_Delivery_Factor 0 0 Calc_TN_Offsets 0 0 Calc_TP_Offsets 0 0 PreProj_Total_Area 0 0 PreProj_Proj_Area 0 0 PostProj_Total_Area 0 0 PostProj_Proj_Area 0 0 Abs_LU_Change 0 0 Precip_AvgAnnlnches 0 0 SCMTotal_Area_Treated 0 0 SCMTotal_Area_Untreated 0 0 TN_Target_Load 0 0 TP_Target_Load 0 0 Total_Area 0 0 Project_Area 0 0 Total_Treated_Area 0 0 Project_Treated_Area 0 0 Total_PcntBUA_Pre 0 0 Total_PcntBUA_Post_noSCMs 0 0 Total_PcntBUA_Post_wSCMs 0 0 Project_PcntBUA_Pre 0 0 Project_PcntBUA_Post_noSCMs 0 0 Project_PcntBUA_Post_wSCMs 0 0 Total_BUAsqft_Pre 0 0 Total_BUAsqft_Post_noSCMs 0 0 Total_BUAsqft_Post_wSCMs 0 0 Project_BUAsqft_Pre 0 0 Project_BUAsqft_Post_noSCMs 0 0 Project_BUAsqft_Post_wSCMs 0 0 Total_RunoffVol_Pre 0 0 Total_RunoffVol_Post_noSCMs 0 0 Total_RunoffVol_Post_wSCMs 0 0 Project_RunoffVol_Pre 0 0 Project_RunoffVol_Post_noSCMs 0 0 Project_RunoffVol_Post_wSCMs 0 0 Total_TNLoad_Pre 0 0 Total_TNLoad_Post_noSCMs 0 0 Total_TNLoad_Post_wSCMs 0 0 Project_TNLoad_Pre 0 0 Project_TNLoad_Post_noSCMs 0 0 Project_TNLoad_Post_wSCMs 0 0 Total_TPLoad_Pre 0 0 Total_TPLoad_Post_noSCMs 0 0 Total_TPLoad_Post_wSCMs 0 0 Project_TPLoad_Pre 0 0 Project_TPLoad_Post_noSCMs 0 0 Project_TPLoad_Post_wSCMs 0 7. USER-Supplied SCM IDs for 101 Database 0 SCMID101 0 SCMID102 102 0 SCMID103 103 0 SCMID201 201 0 SCMID202 202 0 SCMID203 203 0 SCMID301 301 0 SCMID302 302 0 SCMID303 303 0 SCMID401 401 0 SCMID402 402 0 SCMID403 403 0 SCMID501 501 0 SCMID502 502 0 SCMID503 503 0 SCMID601 601 0 SCMID602 602 0 SCMID603 603 8. SCM Proportion of FULL SIZE 0 SCMSize101 101 0 SCMSize102 102 0 SCMSize103 103 0 SCMSize201 201 0 SCMSize202 202 0 SCMSize203 203 0 SCMSize301 301 0 SCMSize302 302 0 SCMSize303 303 0 SCMSize401 401 0 SCMSize402 402 0 SCMSize403 403 0 SCMSize501 501 0 SCMSize502 502 0 SCMSize503 503 0 SCMSize601 601 0 SCMSize602 602 0 SCMSize603 603 9. SCM TYPEs 0 SCMType101 101 0 SCMType102 102 0 SCMType103 103 0 SCMType201 201 0 SCMType202 202 0 SCMType203 203 0 SCMType301 301 0 SCMType302 302 0 SCMType303 303 0 SCMType401 401 0 SCMType402 402 0 SCMType403 403 0 SCMType501 501 0 SCMType502 502 0 SCMType503 503 0 SCMType601 601 0 SCMType602 602 0 SCMType603 603 10. SCM Hydrologic Soil Groups 0 SCMHSG101 101 0 SCMHSG102 102 0 SCMHSG103 103 0 SCMHSG201 201 0 SCMHSG202 202 0 SCMHSG203 203 0 SCMHSG301 301 0 SCMHSG302 302 0 SCMHSG303 303 0 SCMHSG401 401 0 SCMHSG402 402 0 SCMHSG403 403 0 SCMHSG501 501 0 SCMHSG502 502 0 SCMHSG503 503 0 SCMHSG601 601 0 SCMHSG602 602 0 SCMHSG603 603 11. SCM % ET&I 0 SCMETI101 101 0 SCMET1102 102 0 SCMETI103 103 0 SCMET1201 201 0 SCMETI202 202 0 SCMETI203 203 0 SCMETI301 301 0 SCMETI302 302 0 SCMETI303 303 0 SCMET1401 401 0 SCMETI402 402 0 SCMETI403 403 0 SCMETI501 501 0 SCMETI502 502 0 SCMETI503 503 0 SCMETI601 601 0 SCMETI602 602 0 SCMETI603 603 12. SCM %OverFlow 0 SCMOverFlow101 101 0 SCMOverFlow102 102 0 SCMOverFlow103 103 0 SCMOverFlow201 201 0 SCMOverFlow202 202 0 SCMOverFlow203 203 0 SCMOverFlow301 301 0 SCMOverFlow302 302 0 SCMOverFlow303 303 0 SCMOverFlow401 401 0 SCMOverFlow402 402 0 SCMOverFlow403 403 0 SCMOverFlow501 501 0 SCMOverFlow502 502 0 SCMOverFlow503 503 0 SCMOverFlow601 601 0 SCMOverFlow602 602 0 SCMOverFlow603 603 13. SCM % Effluent ThroughFlow 0 SCMThruFlow101 101 0 SCMThruFlow102 102 0 SCMThruFlow103 103 0 SCMThruFlow201 201 0 SCMThruFlow202 202 0 SCMThruFlow203 203 0 SCMThruFlow301 301 0 SCMThruFlow302 302 0 SCMThruFlow303 303 0 SCMThruFlow401 401 0 SCMThruFlow402 402 0 SCMThruFlow403 403 0 SCMThruFlow501 501 0 SCMThruFlow502 502 0 SCMThruFlow503 503 0 SCMThruFlow601 601 0 SCMThruFlow602 602 0 SCMThruFlow602 603 14. SCM DESCRIPTIONS 0 SCMDesc101 101 0 SCMDesc102 102 0 SCMDesc103 103 0 SCMDesc201 201 0 SCMDesc202 202 0 SCMDesc203 203 0 SCMDesc301 301 0 SCMDesc302 302 0 SCMDesc303 303 0 SCMDesc401 401 0 SCMDesc402 402 0 SCMDesc403 403 0 SCMDesc501 501 0 SCMDesc502 502 0 SCMDesc503 503 0 SCMDesc601 601 0 SCMDesc602 602 0 SCMDesc603 603 15. SCM Design Storm Inches 0 SCMStorm101 101 0 SCMStorm102 102 0 SCMStorm103 103 0 SCMStorm201 201 0 SCMStorm202 202 0 SCMStorm203 203 0 SCMStorm301 301 0 SCMStorm302 302 0 SCMStorm303 303 0 SCMStorm401 401 0 SCMStorm402 402 0 SCMStorm403 403 0 SCMStorm501 501 0 SCMStorm502 502 0 SCMStorm503 503 0 SCMStorm601 601 0 SCMStorm602 602 0 SCMStorm603 603 16. ID of RECEIVING SCM (THIS SCM Drains to...) 0 SCM101Drains2ID 101 0 SCM102Drains2ID 102 0 SCM103Drains2ID 103 0 SCM201Drains2ID 201 0 SCM202Drains2ID 202 0 SCM203Drains2ID 203 0 SCM301Drains2ID 301 0 SCM302Drains2ID 302 0 SCM303Drains2ID 303 0 SCM401Drains2ID 401 0 SCM402Drains2ID 402 0 SCM403Drains2ID 403 0 SCM501Drains2ID 501 0 SCM502Drains2ID 502 0 SCM503Drains2ID 503 0 SCM601Drains2ID 601 0 SCM602Drains2ID 602 0 SCM603Drains2ID 603 17. SCM Nitrogen CUSTOM EMCs (mg/L) 0 SCMTNEMC101 101 0 SCMTNEMC102 102 0 SCMTNEMC103 103 0 SCMTNEMC201 201 0 SCMTNEMC202 202 0 SCMTNEMC203 203 0 SCMTNEMC301 301 0 SCMTNEMC302 302 0 SCMTNEMC303 303 0 SCMTNEMC401 401 0 SCMTNEMC402 402 0 SCMTNEMC403 403 0 SCMTNEMC501 501 0 SCMTNEMC502 502 0 SCMTNEMC503 503 0 SCMTNEMC601 601 0 SCMTNEMC602 602 0 SCMTNEMC603 603 18. SCM Phosphorus CUSTOM EMCs (mg/L) 0 SCMTPEMC101 101 0 SCMTPEMC102 102 0 SCMTPEMC103 103 0 SCMTPEMC201 201 0 SCMTPEMC202 202 0 SCMTPEMC203 203 0 SCMTPEMC301 301 0 SCMTPEMC302 302 0 SCMTPEMC303 303 0 SCMTPEMC401 401 0 SCMTPEMC402 402 0 SCMTPEMC403 403 0 SCMTPEMC501 501 0 SCMTPEMC502 502 0 SCMTPEMC503 503 0 SCMTPEMC601 601 0 SCMTPEMC602 602 0 SCMTPEMC603 603 19. SCM 101 LANDCOVERS 0 SCM101LC1 101 0 SCM101LC2 101 0 SCM101LC3 101 0 SCM101LC4 101 101 0 SCM101LC5 0 SCM101LC6 101 0 SCM101LC7 101 101 0 SCM101LC8 0 SCM 101LC9 101 101 0 SCM101LC10 0 SCM101LC37 101 0 SCM 101LC38 101 0 SCM 101LC39 101 0 SCM 101LC40 101 20. SCM 102 LANDCOVERS 0 SCM102LC1 102 0 SCM 102LC2 102 0 SCM 102LC3 102 0 SCM 102LC4 102 0 SCM 102LC5 102 0 SCM 102LC6 102 0 SCM 102LC7 102 0 SCM 102LC8 102 0 SCM 102LC9 102 0 SCM 102LC10 102 0 SCM 102LC37 102 0 SCM 102LC38 102 0 SCM 102LC39 102 0 SCM 102LC40 102 21. SCM 103 LANDCOVERS 0 SCM 103 LC1 103 0 SCM 103LC2 103 0 SCM 103LC3 103 0 SCM 103LC4 103 0 SCM 103LC5 103 0 SCM 103LC6 103 0 SCM 103LC7 103 0 SCM 103LC8 103 0 SCM 103LC9 103 0 SCM 103LC10 103 0 SCM 103LC37 103 0 SCM 103LC38 103 0 SCM 103LC39 103 0 SCM 103LC40 103 22. SCM 201 LANDCOVERS 0 SCM201LC1 201 0 SCM201LC2 201 0 SCM201LC3 201 0 SCM201LC4 201 0 SCM201LC5 201 0 SCM201LC6 201 0 SCM201LC7 201 0 SCM201LC8 201 0 SCM201LC9 201 0 SCM201LC10 201 0 SCM201LC37 201 0 SCM201LC38 201 0 SCM201LC39 201 0 SCM201LC40 201 23. SCM 202 LANDCOVERS 0 SCM202LC1 202 0 SCM202LC2 202 0 SCM202LC3 202 0 SCM202LC4 202 0 SCM202LC5 202 0 SCM202LC6 202 0 SCM202LC7 202 0 SCM202LC8 202 0 SCM202LC9 202 0 SCM202LC10 202 0 SCM202LC37 202 0 SCM202LC38 202 0 SCM202LC39 202 0 SCM202LC40 202 24. SCM 203 LANDCOVERS 0 SCM203LC1 203 0 SCM203LC2 203 0 SCM203LC3 203 0 SCM203LC4 203 0 SCM203LC5 203 0 SCM203LC6 203 0 SCM203LC7 203 0 SCM203LC8 203 0 SCM203LC9 203 0 SCM203LC10 203 0 SCM203LC37 203 0 SCM203LC38 203 0 SCM203LC39 203 0 SCM203LC40 203 25. SCM 301 LANDCOVERS 0 SCM301LC1 301 0 SCM301LC2 301 0 SCM301LC3 301 0 SCM301LC4 301 0 SCM301LC5 301 0 SCM301LC6 301 0 SCM301LC7 301 0 SCM301LC8 301 0 SCM301LC9 301 0 SCM301LC10 301 0 SCM301LC37 301 0 SCM301LC38 301 0 SCM301LC39 301 0 SCM301LC40 301 26. SCM 302 LANDCOVERS 0 SCM302LC1 302 0 SCM302LC2 302 0 SCM302LC3 302 0 SCM302LC4 302 0 SCM302LC5 302 0 SCM302LC6 302 0 SCM302LC7 302 0 SCM302LC8 302 0 SCM302LC9 302 0 SCM302LC10 302 0 SCM302LC37 302 0 SCM302LC38 302 0 SCM302LC39 302 0 SCM302LC40 302 27. SCM 303 LANDCOVERS 0 SCM303LC1 303 0 SCM303LC2 303 0 SCM303LC3 303 0 SCM303LC4 303 0 SCM303LC5 303 0 SCM303LC6 303 0 SCM303LC7 303 0 SCM303LC8 303 0 SCM303LC9 303 0 SCM303LC10 303 0 SCM303LC37 303 0 SCM303LC38 303 0 SCM303LC39 303 0 SCM303LC40 303 28. SCM 401 LANDCOVERS 0 SCM401LC1 401 0 SCM401LC2 401 0 SCM401LC3 401 0 SCM401LC4 401 0 SCM401LC5 401 0 SCM401LC6 401 0 SCM401LC7 401 0 SCM401LC8 401 0 SCM401LC9 401 0 SCM401LC10 401 0 SCM401LC37 401 0 SCM401LC38 401 0 SCM401LC39 401 0 SCM401LC40 401 29. SCM 402 LANDCOVERS 0 SCM402LC1 402 0 SCM402LC2 402 0 SCM402LC3 402 0 SCM402LC4 402 0 SCM402LC5 402 0 SCM402LC6 402 0 SCM402LC7 402 0 SCM402LC8 402 0 SCM402LC9 402 0 SCM402LC10 402 0 SCM402LC37 402 0 SCM402LC38 402 0 SCM402LC39 402 0 SCM402LC40 402 30. SCM 403 LANDCOVERS 0 SCM403LC1 403 0 SCM403LC2 403 0 SCM403LC3 403 0 SCM403LC4 403 0 SCM403LC5 403 0 SCM403LC6 403 0 SCM403LC7 403 0 SCM403LC8 403 0 SCM403LC9 403 0 SCM403LC10 403 0 SCM403LC37 403 0 SCM403LC38 403 0 SCM403LC39 403 0 SCM403LC40 403 31. SCM 501 LANDCOVERS 0 SCM501LC1 501 0 SCM501LC2 501 0 SCM501LC3 501 0 SCM501LC4 501 0 SCM501LC5 501 0 SCM501LC6 501 0 SCM501LC7 501 0 SCM501LC8 501 0 SCM501LC9 501 0 SCM501LC10 501 0 SCM501LC37 501 0 SCM501LC38 501 0 SCM501LC39 501 0 SCM501LC40 501 32. SCM 502 LANDCOVERS 0 SCM502LC1 502 0 SCM502LC2 502 0 SCM502LC3 502 0 SCM502LC4 502 0 SCM502LC5 502 0 SCM502LC6 502 0 SCM502LC7 502 0 SCM502LC8 502 0 SCM502LC9 502 0 SCM502LC10 502 0 SCM502LC37 502 0 SCM502LC38 502 0 SCM502LC39 502 0 SCM502LC40 502 33. SCM 503 LANDCOVERS 0 SCM503LC1 503 0 SCM503LC2 503 0 SCM503LC3 503 0 SCM503LC4 503 0 SCM503LC5 503 0 SCM503LC6 503 0 SCM503LC7 503 0 SCM503LC8 503 0 SCM503LC9 503 0 SCM503LC10 503 0 SCM503LC37 503 0 SCM503LC38 503 0 SCM503LC39 503 0 SCM503LC40 503 34. SCM 601 LANDCOVERS 0 SCM601LC1 601 0 SCM601LC2 601 0 SCM601LC3 601 0 SCM601LC4 601 0 SCM601LC5 601 0 SCM601LC6 601 0 SCM601LC7 601 0 SCM601LC8 601 0 SCM601LC9 601 0 SCM601LC10 601 0 SCM601LC37 601 0 SCM601LC38 601 0 SCM601LC39 601 0 SCM601LC40 601 35. SCM 602 LANDCOVERS 0 SCM602LC1 602 0 SCM602LC2 602 0 SCM602LC3 602 0 SCM602LC4 602 0 SCM602LC5 602 0 SCM602LC6 602 0 SCM602LC7 602 0 SCM602LC8 602 0 SCM602LC9 602 0 SCM602LC10 602 0 SCM602LC37 602 0 SCM602LC38 602 0 SCM602LC39 602 0 SCM602LC40 602 36. SCM 603 LAN DCOVERS 0 SCM603LC1 603 0 SCM603LC2 603 0 SCM603LC3 603 0 SCM603LC4 603 0 SCM603LC5 603 0 SCM603LC6 603 0 SCM603LC7 603 0 SCM603LC8 603 0 SCM603LC9 603 0 SCM603LC10 603 0 SCM603LC37 603 0 SCM603LC38 603 0 SCM603LC39 603 0 SCM603LC40 603 Regulated_Entity_ID Field Value Database Field Name Project_ID SNAP v4.2.0 SNAP version 0 Parcel_ID 0 Submission_Date 0 Project_Latitude 0 Project_Longitude 0 Project_Desc Industrial Project_Dev_LU no Project_Common_Plan no Project_Downtown no Project_Linear_Trans Private Project_Owner 283961 Disturbed Area yes Existing_BUA_Onsite 0 TN_Offsets 4 TN_Target_Rate 0 TP_Offsets 0.8 TP_Target_Rate Spring Hope 1151V Substation Rebuild Project_Name 1/0/1900 Submission_Date Nash County Reviewing_Jurisdiction 0 Project_Latitude 0 Project_Longitude Development- Expansion Project_Activity no Project_Drains2SA developed Pre_Project_LU 0 Project_Desc 0 Project_Local_ExistBUA_Date 0 Falls Onsite Reduction Percent no Project_RunoffVol_Match 0 Parcel_ID Tar_Pamlico Project_NMS Upper_Tar_River Project_Subwat Tar- Upper 03020101 Project_Phos_Zone Tar- Upper 03020101 Project_Nit_Zone Rocky Mount Precip_Site 0.00 WSCustLC1Imp 0.00 WSCustLC2lmp 0.00 WSCustLC3Imp 0.00 WSCustLC1TNEMC 0.00 WSCustLC2TNEMC 0.00 WSCustLC3TNEMC 0.00 WSCustLC1TPEMC 0.00 WSCustLC2TPEMC 0.00 WSCustLC3TPEMC 0 WSLC1Pre 0 WSLC2Pre 0 WSLC3Pre 0 WSLC4Pre 283961 WSLC5Pre 0 WSLC6Pre 0 WSLC7Pre 0 WSLC8Pre 0 WSLC9Pre 0 WSLC10Pre 0 WSLC37Pre 0 WSLC38Pre 0 WSLC39Pre 0 WSLC40Pre 0 WSLC1Post 8977 WSLC2Post 0 WSLC3Post 0 WSLC4Post 264532 WSLC5Post 0 WSLC6Post 0 WSLC7Post 0 WSLC8Post 0 WSLC9Post 0 WSLC10Post 0 WSLC37Post 0 WSLC38Post 0 WSLC39Post 10452 WSLC40Post Error_Precip_Station Error_Total_Area Error_Project_Area Error_SCM_Data Error_SCM_Area Error_SCM_Routing Error_CustLCs Error_DisturbedArea 1 Project_TN_Delivery_Factor 1 Project_TP_Delivery_Factor 0 Calc_TN_Offsets 0 Calc_TP_Offsets 283961 PreProj_Total_Area 283961 PreProj_Proj_Area 283961 PostProj_Total_Area 283961 PostProj_Proj_Area 19429 Abs_LU_Change 44.81 Precip_AvgAnnlnches 163453 SCMTotal_Area_Treated 120508 SCMTotal_Area_Untreated 26.08 TN_Target_Load 5.22 TP_Target_Load 283961 Total_Area 283961 Project_Area 283961.0000 Total_Treated_Area 283961.0000 Project_Treated_Area 0.00% Total PcntBUA Pre 3.16% Total PcntBUA Post noSCMs 3.16% Total PcntBUA Post wSCMs 0.00% Project_PcntBUA_Pre 3.16% Project_PcntBUA_Post_noSCMs 3.16% Project_PcntBUA_Post_wSCMs 0 Total_BUAsgft_Pre 8977 Total_BUAsqft_Post_noSCMs 8977 Total_BUAsqft_Post_wSCMs 0 Project_BUAsgft_Pre 8977 Project_BUAsgft_Post_noSCMs 8977 Project_BUAsgft_Post_wSCMs 47716 Total_RunoffVol_Pre 108239 Total_RunoffVol_Post_noSCMs 95779 Total_RunoffVol_Post_wSCMs 47716 Project_RunoffVol_Pre 108239 Project_RunoffVol_Post_noSCMs 95779 Project_RunoffVol_Post_wSCMs 7.39 Total_TNLoad_Pre 12.41 Total_TNLoad_Post_noSCMs 8.59 Total_TNLoad_Post_wSCMs 7.39 Project_TNLoad_Pre 12.41 Project_TNLoad_Post_noSCMs 8.59 Project_TNLoad_Post_wSCMs 3.19 Total_TPLoad_Pre 3.82 Total_TPLoad_Post_noSCMs 2.16 Total_TPLoad_Post_wSCMs 3.19 Project_TPLoad_Pre 3.82 Project_TPLoad_Post_noSCMs 2.16 Project_TPLoad_Post_wSCMs SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID SCMID 100% SCMSize 0% SCMSize 0% SCMSize 100% SCMSize 100% SCMSize 0% SCMSize 100% SCMSize 0% SCMSize 0% SCMSize 100% SCMSize 0% SCMSize 0% SCMSize 100% SCMSize 0% SCMSize 0% SCMSize 0% SCMSize 0% SCMSize 0% SCMSize Pollutant Swale - Dry SCMType 0 SCMType 0 SCMType Pollutant Swale - Dry SCMType Pollutant Swale - Dry SCMType 0 SCMType Pollutant Swale - Dry SCMType 0 SCMType 0 SCMType Pollutant Swale - Dry SCMType 0 SCMType 0 SCMType Pollutant Swale - Dry SCMType 0 SCMType 0 SCMType 0 SCMType 0 SCMType 0 SCMType B SCMHSG 0 SCMHSG 0 SCMHSG B SCMHSG B SCMHSG 0 SCMHSG B SCMHSG 0 SCMHSG 0 SCMHSG B SCMHSG 0 SCMHSG 0 SCMHSG B SCMHSG 0 SCMHSG 0 SCMHSG 0 SCMHSG 0 SCMHSG 0 SCMHSG 14% SCMETI 0% SCMETI 0% SCMETI 14% SCMETI 14% SCMETI 0% SCMETI 14% SCMETI 0% SCMETI 0% SCMETI 14% SCMETI 0% SCMETI 0% SCMETI 14% SCMETI 0% SCMETI 0% SCMETI 0% SCMETI 0% SCMETI 0% SCMETI 10% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 10% SCMOverFlow 10% SCMOverFlow 0% SCMOverFlow 10% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 10% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 10% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 0% SCMOverFlow 77% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 77% SCMThruFlow 77% SCMThruFlow 0% SCMThruFlow 77% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 77% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 77% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow 0% SCMThruFlow PD-01 SCMDesc 0 SCMDesc 0 SCMDesc PD-02A SCMDesc PD-02B SCMDesc 0 SCMDesc PD-03 SCMDesc 0 SCMDesc 0 SCMDesc PD-04 SCMDesc 0 SCMDesc 0 SCMDesc PD-05 SCMDesc 0 SCMDesc 0 SCMDesc 0 SCMDesc 0 SCMDesc 0 SCMDesc 0.75 SCMStorm 0 SCMStorm 0 SCMStorm 0.75 SCMStorm 0.75 SCMStorm 0 SCMStorm 0.75 SCMStorm 0 SCMStorm 0 SCMStorm 0.75 SCMStorm 0 SCMStorm 0 SCMStorm 0.75 SCMStorm 0 SCMStorm 0 SCMStorm 0 SCMStorm 0 SCMStorm 0 SCMStorm 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 202 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 0 SCMDrains2ID 1.07 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 1.07 SCMTNEMC 1.07 SCMTNEMC 0.00 SCMTNEMC 1.07 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 1.07 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 1.07 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 0.00 SCMTNEMC 0.13 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.13 SCMTPEMC 0.13 SCMTPEMC 0.00 SCMTPEMC 0.13 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.13 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.13 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0.00 SCMTPEMC 0 SCMLC1 2571 SCMLC2 0 SCMLC3 0 SCMLC4 34457 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 1740 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 767 SCMLC2 0 SCMLC3 0 SCMLC4 12681 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 1362 SCMLC40 0 SCMLC1 1444 SCMLC2 0 SCMLC3 0 SCMLC4 42073 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 1350 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 894 SCMLC2 0 SCMLC3 0 SCMLC4 3870 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 1770 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 2105 SCMLC2 0 SCMLC3 0 SCMLC4 25567 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 2820 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 26572 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 1410 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 0 SCMLC1 0 SCMLC2 0 SCMLC3 0 SCMLC4 0 SCMLC5 0 SCMLC6 0 SCMLC7 0 SCMLC8 0 SCMLC9 0 SCMLC10 0 SCMLC37 0 SCMLC38 0 SCMLC39 0 SCMLC40 For DWR Use (or those collecting data for multiple entities) Field Description USER SUPPLIED: Project Identification(Database ID) Version of SNAP spreadsheet Project Info: Parcel Identification Project Info: Submission Date Project Info: Project Latitude in decimal degrees Project Info: Project Longitude in decimal degrees Project Info: Project Description Project Info: Development Landuse Type Project Info: Part of a Common Plan of Development Project Info: Part of a Designated Downtown area Project Info: Project is a Linear Road/Sidewalk Project Info: Project Owner type Project Info: Disturbed Area Project Info: Is there Existing BUA onsite? Project Info: Final Nitrogen Offset Credits Used Project Info: Nitrogen Export Target Loading Rate lb/ac/yr Project Info: Final Phosphorus Offset Credits Used Project Info: Phosphorus Export Target Loading Rate lb/ac/yr Project Info: Project Name Project Info: Date of Submission Project Info: Local jurisdiction or reviewing agency Project Info: Project latitude coords. (decimal degrees) Project Info: Project longitude coords. (decimal degrees) Project Info: Project Activity Project Info: Does the Project drain to SA waters? Project Info: Pre-project land use Project Info: Project description Project Info: Local government cutoff date for Existing BUA Project Info: Falls Lake Onsite Reduction Percent Project Info: Project uses Runoff Volume Match Project Info: Project ID or Parcel ID Project Info: Nutrient Management Watershed Project Info: NMS Subwatershed Project Info: NMS Phosphous delivery zone Project Info: NMS Nitrogen delivery zone Land Cover Char: Selected Precipitation Station name Land Cover Char: Impervious behavior value for Custom Landcover#1 Land Cover Char: Impervious behavior value for Custom Landcover#2 Land Cover Char: Impervious behavior value for Custom Landcover#3 Land Cover Char:TN EMC mg/L for Custom landcover#1 Land Cover Char:TN EMC mg/L for Custom landcover#2 Land Cover Char:TN EMC mg/L for Custom landcover#3 Land Cover Char: TP EMC mg/L for Custom landcover#1 Land Cover Char: TP EMC mg/L for Custom landcover#2 Land Cover Char: TP EMC mg/L for Custom landcover#3 Land Cover Char: Pre-project land cover areas for Roof Land Cover Char: Pre-project land cover areas for Roadway Land Cover Char: Pre-project land cover areas for Parking/Driveway/Sidewalk Land Cover Char: Pre-project land cover areas for Protected Forest Land Cover Char: Pre-project land cover areas for Managed Pervious/Landscaping Land Cover Char: Pre-project land cover areas for Offsite or Existing Roof Land Cover Char: Pre-project land cover areas for Offsite or Existing Roadway Land Cover Char: Pre-project land cover areas for Offsite or Existiing Parking/Driveway/Sidewalk Land Cover Char: Pre-project land cover areas for Offsite Protected Forest Land Cover Char: Pre-project land cover areas for Offsite Managed Pervious/Landscaping Land Cover Char: Pre-project land cover areas for CUSTOM landcover#1 Land Cover Char: Pre-project land cover areas for CUSTOM landcover#2 Land Cover Char: Pre-project land cover areas for CUSTOM landcover#3 Land Cover Char: Pre-project land cover areas for Land Taken Up By SCM Land Cover Char: Post-project land cover areas for Roof Land Cover Char: Post-project land cover areas for Roadway Land Cover Char: Post-project land cover areas for Parking/Driveway/Sidewalk Land Cover Char: Post-project land cover areas for Protected Forest Land Cover Char: Post-project land cover areas for Managed Pervious/Landscaping Land Cover Char: Post-project land cover areas for Offsite or Existing Roof Land Cover Char: Post-project land cover areas for Offsite or Existing Roadway Land Cover Char: Post-project land cover areas for Offsite or Existing Parking/Driveway/Sidewalk Land Cover Char: Post-project land cover areas for Offsite Protected Forest Land Cover Char: Post-project land cover areas for Offsite Managed Pervious/Landscaping Land Cover Char: Post-project land cover areas for CUSTOM landcover#1 Land Cover Char: Post-project land cover areas for CUSTOM landcover#2 Land Cover Char: Post-project land cover areas for CUSTOM landcover#3 Land Cover Char: Post-project land cover areas for Land Taken Up By SCM Nutrient Export Summary: Precipitation station is missing Nutrient Export Summary: Total area pre-project doesn't equal post-project, or total area greater than 1 square mile Nutrient Export Summary: Project Area pre-project doesn't equal post-project Nutrient Export Summary: This covers multiple errors related to SCM characteristics Nutrient Export Summary: This covers multiple errors related to SCM drainage areas Nutrient Export Summary: This covers multiple errors related to within-and between-catchment routing Nutrient Export Summary: Custom landcovers are in use but are missing input data. Nutrient Export Summary: Net BUA>0 but Disturbed Area is less than the net change in landcovers. Calculated: Nitrogen Delivery Factor%calculated from Delivery Zone Calculated: Phosphorus Delivery Factor%calculated from Delivery Zone Calculated: Calculated TN Offsets from Nutrient Offset form (recorded separately from those entered on Project Info sheet) Calculated: Calculated TN Offsets from Nutrient Offset form (recorded separately from those entered on Project Info sheet) Calculated: Total Area, Pre-project(sqft) Calculated: Project Area, Pre-project (sqft) Calculated: Total Area, Post-project (sqft) Calculated: Project Area, Post-project (sqft) Calculated: Absolute change in landcovers (sqft) Calculated: Average annual precipitation in inches, based on selected precipitation station Calculated: Total Area treated by SCMs (sqft) Calculated: Total Area not treated by SCMs (sqft) Calculated: Total Nitrogen Target Load scaled to Project Area (Ib/yr) Calculated: Total Phosphorus Target Load scaled to Project Area (Ib/yr) Nutrient Export Summary: The total area analyzed with the Tool Nutrient Export Summary: The regulated area (Project Area) Nutrient Export Summary: The total area treated with SCMs Nutrient Export Summary: The portion of Project area treated with SCMs Nutrient Export Summary: Total Area %BUA pre-project Nutrient Export Summary: Total Area %BUA post-project without SCMs Nutrient Export Summary: Total Area %BUA post-project with SCMs Nutrient Export Summary: Project Area %BUA pre-project Nutrient Export Summary: Project Area %BUA post-project without SCMs Nutrient Export Summary: Project Area %BUA post-project with SCMs Nutrient Export Summary: Total Area BUA sqft pre-project Nutrient Export Summary: Total Area BUA sqft post-project without SCMs Nutrient Export Summary: Total Area BUA sqft post-project with SCMs Nutrient Export Summary: Project Area BUA sqft pre-project Nutrient Export Summary: Project Area BUA sqft post-project without SCMs Nutrient Export Summary: Project Area BUA sqft post-project with SCMs Nutrient Export Summary: Total Area Runoff Volume pre-project cuft/yr Nutrient Export Summary: Total Area Runoff Volume post-project cuft/yr without SCMs Nutrient Export Summary: Total Area Runoff Volume post-project cuft/yr with SCMs Nutrient Export Summary: Project Area Runoff Volume pre-project cuft/yr Nutrient Export Summary: Project Area Runoff Volume post-project cuft/yr without SCMs Nutrient Export Summary: Project Area Runoff Volume post-project cuft/yr with SCMs Nutrient Export Summary: Total Area Nitrogen Load lb/yr pre-project Nutrient Export Summary: Total Area Nitrogen Load lb/yr post-project without SCM treatment Nutrient Export Summary: Total Area Nitrogen Load lb/yr post-project with SCM treatment Nutrient Export Summary: Project Area Nitrogen Load lb/yr pre-project Nutrient Export Summary: Project Area Nitrogen Load lb/yr post-project without SCM treatment Nutrient Export Summary: Project Area Nitrogen Load lb/yr post-project with SCM treatment Nutrient Export Summary: Total Area Phosphorus Load lb/yr pre-project Nutrient Export Summary: Total Area Phosphorus Load lb/yr post-project without SCM treatment Nutrient Export Summary: Total Area Phosphorus Load lb/yr post-project with SCM treatment Nutrient Export Summary: Project Area Phosphorus Load lb/yr pre-project Nutrient Export Summary: Project Area Phosphorus Load lb/yr post-project without SCM treatment Nutrient Export Summary: Project Area Phosphorus Load lb/yr post-project with SCM treatment USER SUPPLIED: User enters Long Integers to represent IDs to use in local database. Values are carried to c SCM Characteristics: Percentage of Full Size for SCMs 101 thru 603 SCM Characteristics: SCM Type for SCMs 101 thru 603 SCM Characteristics: Hydrologic Soil Group for SCMs 101 thru 603 SCM Characteristics: Evapotranspiration/Infilration %for SCMs 101 thru 603 SCM Characteristics: OverFlow%for SCMs 101 thru 603 SCM Characteristics: ThruFlow/Effluent%for SCMs 101 thru 603 SCM Characteristics: SCM description for SCMs 101 thru 603 SCM Characteristics: Design storm size for SCMs 101 thru 603 SCM Characteristics: ID of the receiving SCM that SCMs 101 thru 603 drain to SCM Characteristics: CUSTOM TN EMC mg/L for SCMs 101 thru 603 SCM Characteristics: CUSTOM TP EMC mg/L for SCMs 101 thru 603 SCM Characteristics: Landcover areas for Roof SCM Characteristics: Landcover areas for Roadway SCM Characteristics: Landcover areas for Parking/Driveway/Sidewalk SCM Characteristics: Landcover areas for Protected Forest, SCM 101 SCM Characteristics: Landcover areas for Managed Pervious/Landscaping SCM Characteristics: Landcover areas for Offsite or Existing Roof SCM Characteristics: Landcover areas for Offsite or Existing Roadway SCM Characteristics: Landcover areas for Offsite or Existing Parking/Driveway/Sidewalk SCM Characteristics: Landcover areas for Offsite Protected Forest SCM Characteristics: Landcover areas for Offsite Managed Pervious/Landscaping SCM Characteristics: Landcover areas for CUSTOM landcover#1 SCM Characteristics: Landcover areas for CUSTOM landcover#2 SCM Characteristics: Landcover areas for CUSTOM landcover#3 SCM Characteristics: Landcover areas for Land Taken Up By SCM rther SCM data rows. SNAP v4.2.0 Total Area & Project Area Land Use Characteristics Runoff & Loading Calculations C = Land Cover Information LC EMCTN Land Cover Name Land Cover Group mg/L Land Cover Name Land Cover Group LC EMC TN (lookup) (lookup) Roof Regulated BUA 1.18 Roadway Regulated BUA 1.64 Parking/Driveway/Sidewalk Regulated BUA 1.42 Protected Forest Regulated Permeable 0.97 Managed Pervious/Landscaping Regulated Permeable 2.48 Offsite or Existing Roof Unregulated BUA 1.18 Offsite or Existing Roadway Unregulated BUA 1.64 Offsite or Existing Parking/Driveway/Sidewalk Unregulated BUA 1.42 Offsite Protected Forest Offsite Permeable 0.97 Offsite Managed Pervious Offsite Permeable 2.48 0 0 0 0 0 0 0 0 0 CUSTOM LAND COVER 1 Regulated Permeable 0 CUSTOM LAND COVER 2 Regulated Permeable 0 CUSTOM LAND COVER 3 i Regulated Permeable 0 LAND TAKEN UP BY SCM Regulated SCM 1.18 'Values for Total Area: Values for All Regulated Areas(=Project Area) Values for All Unregulated Areas 100%Forest-Entire Area 0.97 100%Forest-Project Area 0.97 Loading Eqt L (Ib/yr)=[(P/12) *Pj *Rv] *C *Acres *2.72 EMC(mg/L) 2.72 converts mg/L to lb/ac Land Cover in Acres LC EMC1 LC,mpv LC Acres preLC Acrespost LC R„ mg/L LC EMC rP LC impv R =LC sgft pre *43560 =LC sgft post *43560 (lookup) 1 (lookup) (lookup) 0.11 1 1 0.0000000000 0.0000000000 0.95 0.34 1 0.0000000000 0.2060835629 0.95 0.18 1 0.0000000000 0.0000000000 0.95 0.03 0 0.0000000000 0.0000000000 0.05 1.07 I 0 I 6.5188475666 6.0728191001 0.05 0.11 1 0.0000000000 0.0000000000 0.95 0.34 I 1 I 0.0000000000 0.0000000000 0.95 0.18 1 0.0000000000 0.0000000000 0.95 0.03 I 0 0.0000000000 0.0000000000 0.05 1.07 0 0.0000000000 0.0000000000 0.05 0 0 0.0000000000 0.0000000000 0 0 I 0 0.0000000000 0.0000000000 I 0 0 0 0.0000000000 0.0000000000 0 0 0 0.0000000000 0.0000000000 0.05 0 I 0 0.0000000000 0.0000000000 0.05 0 0 0.0000000000 0.0000000000 0.05 0.11 I 1 0.0000000000 I 0.2399449036 6.5188475666 6.5188475666 6.5188475666 6.5188475666 0.0000000000 0.0000000000 0.03 0.00 6.5188475666 0.05 0.03 0.00 6.5188475666 0.05 Precip Location = Rocky Mount P (inches) = 44.8100 P (feet) = 3.7342 Pj= 0.9000 Conversion from sqft 1.0000 Total Nitrogen Load Total Phosphorus Load U Perce PRE LC Annual POST LC Annual PRE LC Annual I POST LC Annual LC%of total LoadTN (lb/yr) LoadTN(Ib/yr) LoadTP(Ib/yr) LoadTP(Ib/yr) areaPRE =((P(in)/12) *p i * = ((P(in)/12) *p i * =((P(in)/12) *p i * = ((P(in)/12) *p i * R 0TN vJ TN v) TP 0TP*EMC *LC R *EMC *LC R *EMC *LC R *EMC *LC =LC acres pre Acres pro post pro post *2.72 Acres *2.72 Acres *2.72 Acres *2.72 /total area 0.0000 0.0000 0.0000 0.0000 - 0.00% 0.0000 2.9351 0.0000 0.6085 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 7.3892 6.8836 3.1881 2.9700 _ 100.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 _ 0.00% 0.0000 0.0000 0.0000 0.0000 0.00% 0.0000 2.5882 0.0000 0.2413 0.00% 7.3892 12.4069 3.1881 _ 3.8197 100.00% 7.3892 12.4069 3.1881 3.8197 100.00% 0.0000 0.0000 _ 0.0000 0.0000 0.00% 2.8901 0.0000 0.0894 0.0000 100.00% 2.8901 0.0000 0.0894 0.0000 100.00% 16014.7059 nt Area U Percent Runoff Volume I Totem LC%of total LC%total runoff LC%total runoff LC EMCTN Weighted areaposT volumePRE volumeposT AveragepRE =LC acres post / I =runoff vol LCpre / =runoff vol LCpost / =LC EMC TN *LC% total area runoff vol TOTALpre runoff vol TOTALpost of total vol pre 0.00% 0.00% 0.00% i 0.0000 + 3.16% 0.00% 26.48% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 93.16% 100.00% 41.07% 2.4800 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% I 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 0.00% 0.00% 0.00% 0.0000 3.68% 0.00% 32.45% 0.0000 • 100.00% 100.00% 100.00% 2.4800 100.00% 100.00% 100.00% 2.4800 0.00% 0.00% 0.00% #DIV/0! 0.00% 100.00% 0.00% 0.9700 0.00% 100.00% 0.00% 0.9700 ogen EMC I Total Phosphorus EMC U Runoff VOIL LC EMCTN Weighted LC EMCTP Weighted LC EMCTP Weighted LC Runoff VolumePRE AveragePosT AveragePR[ AveragePosT cuft =LCEMCTN *LC%of =LCEMCTP *LC% =LCEMCTP *LC% =R v *(LCacrespre * total vol post of total vol pre of total vol post 43560) *(P(in)/12) *Pi 0.0000 i 0.0000 0.0000 0 0.4343 0.0000 0.0900 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 1.0185 1.0700 0.4394 _ 47716.09654 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 _j 0 0.0000 0.0000 0.0000 _ 0 0.0000 0.0000 0.0000 0 0.3829 0.0000 0.0357 - 0 1.8357 1.0700 0.5652 47716.09654 1.8357 1.0700 0.5652 47716.09654 #DIV/0! _ #DIV/0! #DIV/0! 0 0.0000 0.0300 0.0000 47716.09654 0.0000 0.0300 0.0000 I 47716.09654 ame(cuft) % Total Impervious I R v Proportioned by Area I LC Runoff VolumePosT LC%of total LC%of total LC Proportionate LC Proportionate R, cuft Impervious PRE Impervious PosT R„by area PRE by area PosT H =R v *(LC acres post * I = LC%of total = LC%of total =R„ *LC%of =R v *LC%of 43560) *(P(in)/12) *P 1 area pYe *LC/mpv area post *LC Jmpv total area pYe total area post O 0 0 0 0 28660.98011 0 0.031613496 0 0.030032821 0 0 0 0 0 0 0 0 0 0 44451.29595 0 0 0.05 0.046578932 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35126.559 0 0.036807872 0 0.036807872 108238.8351 0.00% 6.84% 0.0500 0.1134 108238.8351 0.00% 6.84% 0.0500 0.1134 0 0.00% 0.00% 0.0000 0.0000 O 0 0 0.05 0 O 0 0 0.05 0 io 8UA BUA BUAPRE % BUAPOST (sqft) BUAPRE (sqft) BUAPOST =LC impv *LC acres pre /I =LC impv *LC acres post / =LC impv *LC =LC impv *LC total acres total acres sqft pre sqft post — 0 0 0 0 O 0.031613496 0 8977 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0 l' V 0 0 0 0.031613496 0 8977 0 0.031613496 0 8977 0 0 0 0 0.00% 0.00%0.00% 0.00% I Whole-Site Reporting Area Runoff Vol TN Load Leaving Site TN Load Delivered to Lake TN Loading Rate TN EMC (acres) (c.f.) (Ib/yr) (lb/yr) (Ib/ac/yr) (mg/L) • Total Area Pre-Project (Project Calcs Page) 6.518847567 47716.10 7.389203416 6.280822904 1.13351376 2.48 • Total Area Undeveloped/Forested 6.518847567 47716.10 2.890131981 2.456612184 0.44335014 0.97 C Project Area Pre-Project (Project Calcs Page) 6.518847567 47716.10 7.389203416 6.280822904 1.13351376 2.48 O Project Area Undeveloped/Forested 6.518847567 47716.10 2.890131981 2.456612184 0.44335014 0.97 0 Offsite Areas&Existing BUA Pre-Project (Project Calcs Page) 0 0.00 0 0 0 0 • Total Area Post-Project before SCMs(Project Calcs Page) 6.518847567 108238.84 12.40688168 10.54584942 1.903232366 1.835686432 • Total Area Post-Project before SCMs(SCM Calcs Page) 6.518847567 108238.84 12.40688168 10.54584942 1.903232366 1.835686432 O Project Area Post-Project before SCMs(Project Calcs Page) 6.518847567 108238.84 12.40688168 10.54584942 1.903232366 1.835686432 O Project Area Post-Project before SCMs(SCM Calcs-Project Page) 6.518847567 108238.84 12.40688168 10.54584942 1.903232366 1.835686432 0 Offsite/Existing Area Post-Project before SCMs(Project Calcs Page) 0 0.00 0 0 0 0 Offsite/existing area check 0 0 0 • Total Area Post-Project-Untreated Areas 2.766478421 23867.34 3.495754388 2.97139123 1.263611659 2.345610219 • Total Area Post-Project-Treated Area Leaving SCMs 3.752369146 71912.02 5.092634256 4.328739117 1.357178374 1.140114053 • Total Area Post-Project-Treated Area(Entering SCMs) 3.752369146 84371.49 8.911127289 7.574458195 2.374800277 1.691437182 • Total Area Post-Project after SCMs 6.518847567 95779.36 8.588388644 7.300130347 1.31747039 1.440512667 O Project Area Post-Project Untreated Areas 2.766478421 23867.34074 3.495754388 2.97139123 1.263611659 2.345610219 C Project Area Post-Project Treated Area Leaving SCMs 3.752369146 71912.02191 5.092634256 4.328739117 1.357178374 1.140114053 O Project Area Post-Project Treated Area(Entering SCMs) 3.752369146 84371.49432 8.911127289 7.574458195 _ 2.374800277 1.691437182 C Project Area Post-Project after SCMs 6.518847567 95779.36 8.588388644 7.300130347 1.31747039 1.440512667 BUA%change Runoff%change Total N%change Total P%change TP Load LeavingSite Ib r TP Load Delivered to Lake TP Loading Rate TP EMC %Im ery BUA % BUA(sqft) relative to Pre- relative to Pre- relative to Pre- relative to Pre- ( /Y) (Ib/Yr) (Ib/ac/Yr) (mg/L) p ( ) 1 q ) Project Project Project Project 3.188083732 2.869275359 0.48905634 1.07 0.00% 0.00% 0 N/A N/A N/A N/A 0.089385525 0.080446973 0.01371186 0.03 0.00% 0.00% 0 N/A N/A N/A N/A 3.188083732 2.869275359 0.48905634 1.07 0.00% o.00% 0 N/A N/A N/A N/A 0.089385525 0.080446973 0.01371186 0.03 0.00% 0.00% 0 N/A N/A N/A N/A 0 0 0 0 0.00% 0.00% 0 N/A N/A N/A N/A 3.819710574 3.437739516 0.585948749 0.565153361 6.84% 3.16% 8977 N/A 126.84% 67.91% 19.81% 3.819710574 3.437739516 0.585948749 0.565153361 6.84% 3.16% 8977 N/A 126.84% 67.91% 19.81% 3.819710574 3.437739516 0.585948749 0.565153361 6.84% 3.16% 8977 N/A 126.84% 67.91% 19.81% 3.819710574 3.437739516 0.585948749 0.565153361 6.84% 3.16% 8977 N/A 126.84% 67.91% 19.81% 0 0 0 0 0.00% 0.00% 0 N/A 0.00% 0.00% 0.00% 0 0 i 1.42060437 1.278543933 0.513506399 0.953208881 0.99% 0.99% 1196 N/A N/A N/A N/A 1 0.739808628 0.665827765 0.197157742 0.16820945 11.15% 4.76% 7781 N/A N/A N/A N/A 2.399106204 2.159195583 0.639357726 0.455378686 11.15% 4.76% 1 7781 N/A N/A N/A N/A 2.160412999 1.944371699 0.331410265 0.363824125 6.84% 3.16% 8977 N/A 100.73% 16.23% -32.23% 1.42060437 1.278543933 0.513506399 0.953208881 0.99% 0.99% 1196 _ N/A N/A N/A N/A 0.739808628 0.665827765 0.197157742 0.16820945 11.15% 1 4.76% i 7781 N/A N/A N/A N/A 2.399106204 _ 2.159195583 0.639357726 0.455378686 11.15% 4.76% 7781 N/A N/A N/A N/A 2.160412999 1.944371699 0.331410265 0.363824125 6.84% 3.16% 8977 N/A 100.73% 16.23% -32.23% K L M N O P Cl R S T U V W X Y Z AA AB AC AD SCM Name Outflow TN Outflow TP SCM Land Cover SCM Land User Comment Zero area Impervious BUA Size Min Size Max Size Sizing Type Overflow Equation %ET/I HSG A %ET/I HSG B %ET/I HSG C %ET/I HSG D Incoming EMC can 2 EMC EMC TN EMC Cover TP EMC EMCs allowed Value Value Limitation override SCM EMC 3 Bioretention w/IWS w/HyPerTool M INI1.18 EM� I=M MM IM .1 I - land cover EMCs=roof values no no 4 Bioretention w/IWS 0.68 0.08 1.18 0.11 no land cover EMCs=roof values no 0 0 Size=1 1 1 Fixed 0.06 0.90 0.71 0.36 0.14 no Bioretention no IWS w/HyPerTool I _rr_worn". 5 land cover EMCs=roof values no 0 Size> User-entere 6 Bioretention no IWS 1.33 0.11 1.18 0.11 no land cover EMCs=roof values no 0 0 Size=1 1 1 Fixed 0.06 0.51 0.20 0.11 0.09 no 7 Custom SCM/BMP aN default land cover EMCs=roof values yes 0 '0 Size>0 I 10 User-entered ■----- 8 Disconnected Impervious Surface 2.44 0.76 2.48 1.07 no land cover EMCs=managed pervious no 0 0 Size>=1 1 4 Rate-based 0.10 (0.0833*Size)+0.5667 (0.0667*Size)+0.4333 (0.05*Size)+0.35 (0.0333*Size)+0.2667 no Dry Pon �� I I (POWER)SCM POW))0(1.9953*S-1 Size)* � 9 0.11 no land cover values no 0 0 Size>=0.5 0.5 2 60hr Ponding (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) 10 Green Roof 2.44 0.76 1.18 0.11 no land cover EMCs=roof values no 1 1 Size=1 1 1 Fixed 0.00 0.60 0.60 0.60 0.60 no Infiltration System 60hr Ponding 1-(((0.2231*(POWER(SCMSize,3)))-(1.141* OtMir 1.00 1.00 11 • 0.00 I.,11m• land cover EMCs=roof values yes 0 0 Size>=0.5 0.5 2 (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) no 12 LS-FS 1.03 0.17 1.18 0.11 no land cover EMCs=roof values no 0 0 Size>=1 1 4 Rate-based 0.10 (0.1*Size)+0.5 (0.1*Size)+0.3 (0.05*Size)+0.2 (0.05*Size)+0.1 no 13 IS-FS w/ViroPhos .111 no land cover EMCs=roof values no 0 0 Size>=1 1 4 Rate-based 0.10 (0.1*Size)+0.51 (0.1•Size)+0.3 (0.05*Size)+I(0.05•Size)+0.1 no PermPavement-lined detention 1-(((0.2231*(POWER(SCMSize,3)))-(1.141* 0.00 0.00 0.00 0.00 14 0.87 0.06 1.42 0.18 no land cover EMCs=parking lot values no 1 0 Size=1 0.5 2 60hr Ponding (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) no PermPavement-unlined detention -.--� .-�� Ponding ) IWER)CMSiz 2)))v)1.9953*SC Size)* 0.10 ��MIL 15 land cover lot values hr (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) no PermPavement-infiltrating 1-(((0.2231*(POWER(SCMSize,3)))-(1.141* 1.00 1.00 1.00 0.00 16 0.87 0.06 1.42 0.18 no land cover EMCs=parking lot values no 0 0 Size=1 0.5 2 60hr Ponding (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) no PermPavement w/HyPerTool 17 . Erland cover EMCs=parking lot values 1 ■ Mvrser-entere jl .---� 18 Pollutant Swale-Dry 1.07 0.13 1.18 0.11 no land cover EMCs=roof values no 0 0 Size=1 1 1 Fixed 0.10 0.25 0.15 0.05 0.00 no 19 Pollutant Swale-Wet M--- =1- land cover EMCs=roof values no _-_--_ Fixed IMI 0.40 M�--- Rainwater Harvesting 20 1.73 0.08 1.18 0.11 yes land cover EMCs roof values yes 0 0 Size>0 0 10 User-entered no 1-(((0.3335*(POW ER(SCMSize,S)))-(2.3129 Sand Filter-Closed �� ■, 2hr Ponding (POWER(SCMSize,4)))+(6.3197*(POWER(SCMSize,3)))- 0.00 , . (8.6166*(POWER(SCMSize,2)))+(6.0539*SCMSize)- 21 1 no land cover EMCs=roof values yes 0 0 Size 0.8822)) .11 ll yes 1-(((0.3335*(PO W ER(Size,5)))-(2.3129 Sand Filter-Open 12hr Ponding (POWER(Size,4)))+(6.3197*(POWER(Size,3)))-(8.6166* 0.10 0.05 0.00 0.00 22 1.09 0.08 1.18 0.11 no land cover EMCs=roof values yes 0 0 Size>=0.5 0.5 2 (POWER(Size,2)))+(6.0539*Size)-0.8822)) yes 23 She Cell w/IWS 1.18 0.11 no land cover EMCs=roof values no _-I 0 Size=1 1 1 Fixed 0.06 0.90 1 0.71 0.36 0.14 no Filterra 0.00 0.00 0.00 0.00 24 0.95 0.08 1.18 0.11 no land cover EMCs=roof values no 0 0 Size=1 1 1 Fixed 0.10 no Stormwater Wetland ■-.-�� j.� )1-OWER(CMSiz W)))+(1.99 3*S-1 Size)* 0.40 MI 0.30 0.25 25 land cover EMCs=roof values no 0 Size>=0.5 0.5 2 60hr Ponding (POWER SCMSize,2 +1.9953*SCMSize-0.2332)) no Wet Pond 1-(((0.2231*(POWER(SCMSize,3)))-(1.141* 0.25 0.20 0.15 0.10 26 0.86 0.13 1.18 0.11 no land cover EMCs=roof values no 0 0 Size>=0.5 0.5 2 60hr Ponding (POWER(SCMSize,2)))+(1.9953*SCMSize)-0.2332)) no StormFilter 0.00 0.00 0.00 0.00 27 �� 0 1.18 0.11 no land cover EMCs=roof values ��- Size=1 1 1 60hr Ponding 0.10 no A B C D E 93 Land Cover Name Land Cover Group Impervious(dec) TN(mg/L) TP(mg/L) 94 Roof Regulated BUA 1.00 1.18 0.11 95 Roadway Regulated BUA 1.00 1.64 0.34 96 Parking/Driveway/Sidewalk Regulated BUA 1.00 1.42 0.18 97 Protected Forest Regulated Permeable 0.00 0.97 0.03 98 Managed Pervious/Landscaping Regulated Permeable 0.00 2.48 1.07 99 Offsite or Existing Roof Unregulated BUA 1.00 1.18 0.11 100 Offsite or Existing Roadway Unregulated BUA I 1.00 1.64 0.34 101 Offsite or Existing Parking/Driveway/Sidewalk Unregulated BUA 1.00 1.42 0.18 102 Offsite Protected Forest Offsite Permeable 0.00 0.97 0.03 103 Offsite Managed Pervious Offsite Permeable 0.00 2.48 1.07 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 CUSTOM LAND COVER 1 Regulated Permeable 0.00 0.00 0.00 131 CUSTOM LAND COVER 2 Regulated Permeable 0.00 0.00 0.00 132 CUSTOM LAND COVER 3 Regulated Permeable 0.00 0.00 0.00 133 LAND TAKEN UP BY SCM Regulated SCM 1.00 1.18 0.11 SCM Name SCM_101 SCM_102 Bioretention w/IWS w/HyPerTool 0.1 0 Bioretention w/IWS 0.06 0.06 Bioretention no IWS w/HyPerTool 0.1 0 Bioretention no IWS 0.06 0.06 Custom SCM/BMP 0.1 0 Disconnected Impervious Surface 0.1 0.1 Dry Pond 0.1558 1.2332 Green Roof 0 0 Infiltration System 0.1558 1.2332 LS-FS 0.1 0.1 LS-FS w/ViroPhos 0.1 0.1 PermPavement- lined detention 0.1558 1.2332 PermPavement- unlined detention 0.1558 1.2332 PermPavement- infiltrating 0.1558 1.2332 Perm Pavement w/HyPerTool 0.1 0 Pollutant Swale - Dry 0.1 0.1 Pollutant Swale -Wet 0.1 0.1 Rainwater Harvesting 0.1 0 Sand Filter-Closed 0.1046 1.8822 Sand Filter-Open 0.1046 1.8822 Silva Cell w/IWS 0.06 0.06 Filterra 0.1 0.1 Stormwater Wetland 0.1558 1.2332 Wet Pond 0.1558 1.2332 StormFilter 0.1 0.1 SCM_103 SCM_201 SCM_202 SCM_203 SCM_301 0 0.1 0.1 0 0.1 0.06 0.06 0.06 0.06 0.06 0 0.1 0.1 0 0.1 0.06 0.06 0.06 0.06 0.06 0 0.1 0.1 0 0.1 0.1 0.1 0.1 0.1 0.1 1.2332 0.1558 0.1558 1.2332 0.1558 0 0 0 0 0 1.2332 0.1558 0.1558 1.2332 0.1558 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.2332 0.1558 0.1558 1.2332 0.1558 1.2332 0.1558 0.1558 1.2332 0.1558 1.2332 0.1558 0.1558 1.2332 0.1558 0 0.1 0.1 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0 0.1 0.1 0 0.1 1.8822 0.1046 0.1046 1.8822 0.1046 1.8822 0.1046 0.1046 1.8822 0.1046 0.06 0.06 0.06 0.06 0.06 0.1 0.1 0.1 0.1 0.1 1.2332 0.1558 0.1558 1.2332 0.1558 1.2332 0.1558 0.1558 1.2332 0.1558 0.1 0.1 0.1 0.1 0.1 SCM_302 SCM_303 SCM_401 SCM_402 SCM_403 0 0 0.1 0 0 0.06 0.06 0.06 0.06 0.06 0 0 0.1 0 0 0.06 0.06 0.06 0.06 0.06 0 0 0.1 0 0 0.1 0.1 0.1 0.1 0.1 1.2332 1.2332 0.1558 1.2332 1.2332 0 0 0 0 0 1.2332 1.2332 0.1558 1.2332 1.2332 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 0 0 0.1 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0 0 0.1 0 0 1.8822 1.8822 0.1046 1.8822 1.8822 1.8822 1.8822 0.1046 1.8822 1.8822 0.06 0.06 0.06 0.06 0.06 0.1 0.1 0.1 0.1 0.1 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 0.1 0.1 0.1 0.1 0.1 SCM_501 SCM_502 SCM_503 SCM_601 SCM_602 0.1 0 0 0 0 0.06 0.06 0.06 0.06 0.06 0.1 0 0 0 0 0.06 0.06 0.06 0.06 0.06 0.1 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1558 1.2332 1.2332 1.2332 1.2332 0 0 0 0 0 0.1558 1.2332 1.2332 1.2332 1.2332 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0 0 0 0 0.1046 1.8822 1.8822 1.8822 1.8822 0.1046 1.8822 1.8822 1.8822 1.8822 0.06 0.06 0.06 0.06 0.06 0.1 0.1 0.1 0.1 0.1 0.1558 1.2332 1.2332 1.2332 1.2332 0.1558 1.2332 1.2332 1.2332 1.2332 0.1 0.1 0.1 0.1 0.1 SCM_603 0 _ 0.06 0 0.06 0 0.1 1.2332 0 1.2332 0.1 0.1 1.2332 1.2332 1.2332 0 0.1 0.1 0 1.8822 1.8822 0.06 0.1 1.2332 1.2332 0.1 SCM Name SCM_101 SCM_102 SCM_103 SCM_201 SCM_202 Bioretention w/IWS w/HyPerTool 0.135 0 0 0.135 0.135 Bioretention w/IWS 0.9 0.9 0.9 0.9 0.9 Bioretention no IWS w/HyPerTool 0.135 0 0 0.135 0.135 Bioretention no IWS 0.51 0.51 0.51 0.51 0.51 Custom SCM/BMP 0.135 0 0 0.135 0.135 Disconnected Impervious Surface 0.65 0.5667 0.5667 0.65 0.65 Dry Pond 0.1 0.1 0.1 0.1 0.1 Green Roof 0.6 0.6 0.6 0.6 0.6 Infiltration System 1 1 1 1 1 LS-FS 0.6 0.5 0.5 0.6 0.6 LS-FS w/ViroPhos 0.6 0.5 0.5 0.6 0.6 Perm Pavement- lined detention 0 0 0 0 0 PermPavement- unlined detention 0.1 0.1 0.1 0.1 0.1 Perm Pavement- infiltrating 1 1 1 1 1 PermPavement w/HyPerTool 0.135 0 0 0.135 0.135 Pollutant Swale - Dry 0.25 0.25 0.25 0.25 0.25 Pollutant Swale -Wet 0.4 0.4 0.4 0.4 0.4 Rainwater Harvesting 0.135 0 0 0.135 0.135 Sand Filter-Closed 0 0 0 0 0 Sand Filter-Open 0.1 0.1 0.1 0.1 0.1 Silva Cell w/IWS 0.9 0.9 0.9 0.9 0.9 Filterra 0 0 0 0 0 Stormwater Wetland 0.4 0.4 0.4 0.4 0.4 Wet Pond 0.25 0.25 0.25 0.25 0.25 StormFilter 0 0 0 0 0 SCM_203 SCM_301 SCM_302 SCM_303 SCM_401 SCM_402 SCM_403 0 0.135 0 0 0.135 0 0 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0 0.135 0 0 0.135 0 0 0.51 0.51 0.51 0.51 0.51 0.51 0.51 0 0.135 0 0 0.135 0 0 0.5667 0.65 0.5667 0.5667 0.65 0.5667 0.5667 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.6 0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 1 0.5 0.6 0.5 0.5 0.6 0.5 0.5 0.5 0.6 0.5 0.5 0.6 0.5 0.5 O 0 0 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1 1 1 1 1 1 1 0 0.135 0 0 0.135 0 0 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.4 0.4 0.4 0.4 0.4 0.4 0.4 O 0.135 0 0 0.135 0 0 0 0 0 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.9 0.9 0.9 0.9 0.9 0.9 0.9 O 0 0 0 0 0 0 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0 0 0 0 0 0 0 SCM_501 SCM_502 SCM_503 SCM_601 SCM_602 SCM_603 0.135 0 0 0 0 0 0.9 0.9 0.9 0.9 0.9 0.9 0.135 0 0 0 0 0 0.51 0.51 0.51 0.51 0.51 0.51 0.135 0 0 0 0 0 0.65 0.5667 0.5667 0.5667 0.5667 0.5667 0.1 0.1 0.1 0.1 0.1 0.1 0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 0.6 0.5 0.5 0.5 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0 0 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 1 1 1 1 1 1 0.135 0 0 0 0 0 0.25 0.25 0.25 0.25 0.25 0.25 0.4 0.4 0.4 0.4 0.4 0.4 0.135 0 0 0 0 0 0 0 0 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1 0.9 0.9 0.9 0.9 0.9 0.9 0 0 0 0 0 0 0.4 0.4 0.4 0.4 0.4 0.4 0.25 0.25 0.25 0.25 0.25 0.25 0 0 0 0 0 0 SCM Name SCM_101 SCM_102 SCM_103 Bioretention w/IWS w/HyPerTool 0.135 0 0 Bioretention w/IWS 0.71 0.71 0.71 Bioretention no IWS w/HyPerTool 0.135 0 0 Bioretention no IWS 0.2 0.2 0.2 Custom SCM/BMP 0.135 0 0 Disconnected Impervious Surface 0.5 0.4333 0.4333 Dry Pond 0.05 0.05 0.05 Green Roof 0.6 0.6 0.6 Infiltration System 1 1 1 LS-FS 0.4 0.3 0.3 LS-FS w/ViroPhos 0.4 0.3 0.3 Perm Pavement- lined detention 0 0 0 PermPavement- unlined detention 0.05 0.05 0.05 Perm Pavement- infiltrating 1 1 1 PermPavement w/HyPerTool 0.135 0 0 Pollutant Swale - Dry 0.15 0.15 0.15 Pollutant Swale -Wet 0.3 0.3 0.3 Rainwater Harvesting 0.135 0 0 Sand Filter-Closed 0 0 0 Sand Filter-Open 0.05 0.05 0.05 Silva Cell w/IWS 0.71 0.71 0.71 Filterra 0 0 0 Stormwater Wetland 0.35 0.35 0.35 Wet Pond 0.2 0.2 0.2 StormFilter 0 0 0 SCM_201 SCM_202 SCM_203 SCM_301 SCM_302 SCM_303 0.135 0.135 0 0.135 0 0 0.71 0.71 0.71 0.71 0.71 0.71 0.135 0.135 0 0.135 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.135 0.135 0 0.135 0 0 0.5 0.5 0.4333 0.5 0.4333 0.4333 0.05 0.05 0.05 0.05 0.05 0.05 0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 0.4 0.4 0.3 0.4 0.3 0.3 0.4 0.4 0.3 0.4 0.3 0.3 0 0 0 0 0 0 0.05 0.05 0.05 0.05 0.05 0.05 1 1 1 1 1 1 0.135 0.135 0 0.135 0 0 0.15 0.15 0.15 0.15 0.15 0.15 0.3 0.3 0.3 0.3 0.3 0.3 0.135 0.135 0 0.135 0 0 0 0 0 0 0 0 0.05 0.05 0.05 0.05 0.05 0.05 0.71 0.71 0.71 0.71 0.71 0.71 0 0 0 0 0 0 0.35 0.35 0.35 0.35 0.35 0.35 0.2 0.2 0.2 0.2 0.2 0.2 0 0 0 0 0 0 SCM_401 SCM_402 SCM_403 SCM_501 SCM_502 SCM_503 0.135 0 0 0.135 0 0 0.71 0.71 0.71 0.71 0.71 0.71 0.135 0 0 0.135 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.135 0 0 0.135 0 0 0.5 0.4333 0.4333 0.5 0.4333 0.4333 0.05 0.05 0.05 0.05 0.05 0.05 0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 0.4 0.3 0.3 0.4 0.3 0.3 0.4 0.3 0.3 0.4 0.3 0.3 0 0 0 0 0 0 0.05 0.05 0.05 0.05 0.05 0.05 1 1 1 1 1 1 0.135 0 0 0.135 0 0 0.15 0.15 0.15 0.15 0.15 0.15 0.3 0.3 0.3 0.3 0.3 0.3 0.135 0 0 0.135 0 0 0 0 0 0 0 0 0.05 0.05 0.05 0.05 0.05 0.05 0.71 0.71 0.71 0.71 0.71 0.71 0 0 0 0 0 0 0.35 0.35 0.35 0.35 0.35 0.35 0.2 0.2 0.2 0.2 0.2 0.2 0 0 0 0 0 0 SCM_601 SCM_602 SCM_603 0 0 0 0.71 0.71 0.71 0 0 0 0.2 0.2 0.2 0 0 0 0.4333 0.4333 0.4333 0.05 0.05 0.05 0.6 0.6 0.6 1 1 1 0.3 0.3 0.3 0.3 0.3 0.3 O 0 0 0.05 0.05 0.05 1 1 1 0 0 0 0.15 0.15 0.15 0.3 0.3 0.3 O 0 0 0 0 0 0.05 0.05 0.05 0.71 0.71 0.71 O 0 0 0.35 0.35 0.35 0.2 0.2 0.2 0 0 0 SCM Name SCM_101 SCM_102 SCM_103 Bioretention w/IWS w/HyPerTool 0.135 0 0 Bioretention w/IWS 0.36 0.36 0.36 Bioretention no IWS w/HyPerTool 0.135 0 0 Bioretention no IWS 0.11 0.11 0.11 Custom SCM/BMP 0.135 0 0 Disconnected Impervious Surface 0.4 0.35 0.35 Dry Pond 0 0 0 Green Roof 0.6 0.6 0.6 Infiltration System 1 1 1 LS-FS 0.25 0.2 0.2 LS-FS w/ViroPhos 0.25 0.2 0.2 Perm Pavement- lined detention 0 0 0 PermPavement- unlined detention 0 0 0 Perm Pavement- infiltrating 1 1 1 Perm Pavement w/HyPerTool 0.135 0 0 Pollutant Swale - Dry 0.05 0.05 0.05 Pollutant Swale -Wet 0.2 0.2 0.2 Rainwater Harvesting 0.135 0 0 Sand Filter-Closed 0 0 0 Sand Filter-Open 0 0 0 Silva Cell w/IWS 0.36 0.36 0.36 Filterra 0 0 0 Stormwater Wetland 0.3 0.3 0.3 Wet Pond 0.15 0.15 0.15 StormFilter 0 0 0 SCM_201 SCM_202 SCM_203 SCM_301 SCM_302 0.135 0.135 0 0.135 0 0.36 0.36 0.36 0.36 0.36 0.135 0.135 0 0.135 0 0.11 0.11 0.11 0.11 0.11 0.135 0.135 0 0.135 0 0.4 0.4 0.35 0.4 0.35 0 0 0 0 0 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 0.25 0.25 0.2 0.25 0.2 0.25 0.25 0.2 0.25 0.2 O 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0.135 0.135 0 0.135 0 0.05 0.05 0.05 0.05 0.05 0.2 0.2 0.2 0.2 0.2 0.135 0.135 0 0.135 0 0 0 0 0 0 O 0 0 0 0 0.36 0.36 0.36 0.36 0.36 O 0 0 0 0 0.3 0.3 0.3 0.3 0.3 0.15 0.15 0.15 0.15 0.15 0 0 0 0 0 SCM_303 SCM_401 SCM_402 SCM_403 SCM_501 0 0.135 0 0 0.135 0.36 0.36 0.36 0.36 0.36 0 0.135 0 0 0.135 0.11 0.11 0.11 0.11 0.11 0 0.135 0 0 0.135 0.35 0.4 0.35 0.35 0.4 0 0 0 0 0 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 0.2 0.25 0.2 0.2 0.25 0.2 0.25 0.2 0.2 0.25 O 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0.135 0 0 0.135 0.05 0.05 0.05 0.05 0.05 0.2 0.2 0.2 0.2 0.2 O 0.135 0 0 0.135 0 0 0 0 0 O 0 0 0 0 0.36 0.36 0.36 0.36 0.36 O 0 0 0 0 0.3 0.3 0.3 0.3 0.3 0.15 0.15 0.15 0.15 0.15 0 0 0 0 0 SCM_502 SCM_503 SCM_601 SCM_602 SCM_603 0 0 0 0 0 _ 0.36 0.36 0.36 0.36 0.36 _ 0 0 0 0 0 0.11 0.11 0.11 0.11 0.11 0 0 0 0 0 0.35 0.35 0.35 0.35 0.35 0 0 0 0 0 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 O 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0.05 0.05 0.05 0.05 0.05 0.2 0.2 0.2 0.2 0.2 O 0 0 0 0 0 0 0 0 0 O 0 0 0 0 0.36 0.36 0.36 0.36 0.36 O 0 0 0 0 0.3 0.3 0.3 0.3 0.3 0.15 0.15 0.15 0.15 0.15 0 0 0 0 0 SCM Name SCM_101 SCM_102 Bioretention w/IWS w/HyPerTool 0.135 0 Bioretention w/IWS 0.14 0.14 Bioretention no IWS w/HyPerTool 0.135 0 Bioretention no IWS 0.09 0.09 Custom SCM/BMP 0.135 0 Disconnected Impervious Surface 0.3 0.2667 Dry Pond 0 0 Green Roof 0.6 0.6 Infiltration System 1 1 LS-FS 0.15 0.1 LS-FS w/ViroPhos 0.15 0.1 Perm Pavement- lined detention 0 0 PermPavement- unlined detention 0 0 Perm Pavement- infiltrating 0 0 PermPavement w/HyPerTool 0.135 0 Pollutant Swale - Dry 0 0 Pollutant Swale -Wet 0.1 0.1 Rainwater Harvesting 0.135 0 Sand Filter-Closed 0 0 Sand Filter-Open 0 0 Silva Cell w/IWS 0.14 0.14 Filterra 0 0 Stormwater Wetland 0.25 0.25 Wet Pond 0.1 0.1 StormFilter 0 0 SCM_103 SCM_201 SCM_202 SCM_203 0 0.135 0.135 0 0.14 0.14 0.14 0.14 0 0.135 0.135 0 0.09 0.09 0.09 0.09 0 0.135 0.135 0 0.2667 0.3 0.3 0.2667 0 0 0 0 0.6 0.6 0.6 0.6 1 1 1 1 0.1 0.15 0.15 0.1 0.1 0.15 0.15 0.1 O 0 0 0 0 0 0 0 O 0 0 0 0 0.135 0.135 0 O 0 0 0 0.1 0.1 0.1 0.1 O 0.135 0.135 0 0 0 0 0 O 0 0 0 0.14 0.14 0.14 0.14 O 0 0 0 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0 0 0 0 SCM_301 SCM_302 SCM_303 SCM_401 0.135 0 0 0.135 0.14 0.14 0.14 0.14 0.135 0 0 0.135 0.09 0.09 0.09 0.09 0.135 0 0 0.135 0.3 0.2667 0.2667 0.3 0 0 0 0 0.6 0.6 0.6 0.6 1 1 1 1 0.15 0.1 0.1 0.15 0.15 0.1 0.1 0.15 O 0 0 0 0 0 0 0 O 0 0 0 0.135 0 0 0.135 O 0 0 0 0.1 0.1 0.1 0.1 0.135 0 0 0.135 0 0 0 0 O 0 0 0 0.14 0.14 0.14 0.14 O 0 0 0 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0 0 0 0 SCM_402 SCM_403 SCM_501 SCM_502 0 0 0.135 0 0.14 0.14 0.14 0.14 0 0 0.135 0 0.09 0.09 0.09 0.09 0 0 0.135 0 0.2667 0.2667 0.3 0.2667 0 0 0 0 0.6 0.6 0.6 0.6 1 1 1 1 0.1 0.1 0.15 0.1 0.1 0.1 0.15 0.1 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0.135 0 O 0 0 0 0.1 0.1 0.1 0.1 O 0 0.135 0 0 0 0 0 O 0 0 0 0.14 0.14 0.14 0.14 O 0 0 0 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0 0 0 0 SCM_503 SCM_601 SCM_602 SCM_603 0 0 0 0 0.14 0.14 0.14 0.14 0 0 0 0 0.09 0.09 0.09 0.09 0 0 0 0 0.2667 0.2667 0.2667 0.2667 0 0 0 0 0.6 0.6 0.6 0.6 1 1 1 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 O 0 0 0 0 0 0 0 O 0 0 0 0 0 0 0 O 0 0 0 0.1 0.1 0.1 0.1 O 0 0 0 0 0 0 0 O 0 0 0 0.14 0.14 0.14 0.14 O 0 0 0 0.25 0.25 0.25 0.25 0.1 0.1 0.1 0.1 0 0 0 0