Land use area and precipitation (continued) 

  

APPENDIX H. STEPL Model Input Data

282

 

APPENDIX H. STEPL Model Input Data

283

 

 

 

USLE Parameters Modifications (continued) 

 

APPENDIX H. STEPL Model Input Data

284

 

 

 

 

APPENDIX H. STEPL Model Input Data

285

 

 

Urban Land Use Distribution (continued) 

  

APPENDIX H. STEPL Model Input Data

286

 

   

APPENDIX H. STEPL Model Input Data

287

Load Reduction Efficiencies for BMPs 

 

+ Postive Removal of Pollutant

- Minimal Removal of Pollutant

* When manure is used as nutrient source

** If excluding livestock

    

APPENDIX H. STEPL Model Input Data

288

Modeled Conservation Scenarios Crop 1_Drain 3 – Modeled in the Prairie Creek Subwatershed 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect

Cover Crops 

Nutrient 

Managemen

t Red

uced Tillage 

System

s 

Stream

bank 

Stabilization and 

Fencing 

Filter Strip 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

289

Crop 2_Drain 2 – Modeled in the Kilmore Creek and Town of Mulberry Subwatersheds 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect

Cover Crops 

Red

uced Tillage 

System

s 

Filter Strip 

Waste 

Managemen

t 

System

 

WASCOB 

Den

itrifying 

Bioreactor 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

290

Crop 2_Drain 3 – Modeled in the Talbert Ditch Subwatershed 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

 

Waste 

Managemen

t 

System

 

Cover Crops 

Red

uced Tillage 

System

s 

Stream

bank 

Stabilization and 

Fencing 

Filter Strip 

ReceivingWaterway

APPENDIX H. STEPL Model Input Data

291

Cropland 1 – Modeled in the Lauramie Creek and Town of Dayton Subwatersheds 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

Nutrient 

Managemen

t 

Cover Crops 

Red

uced Tillage 

System

s 

Filter Strip 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

292

Cropland 2 – Modeled in the Stump Ditch and Jenkins Ditch Subwatersheds 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

 

Waste 

Managemen

t 

System

 

Cover Crops 

Red

uced Tillage 

System

s 

Filter Strip 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

293

Drainage 1 – Modeled in the Swamp Creek and Shanty Creek Subwatersheds 

 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

Filter Strip 

Drainage Water 

Managemen

t 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

294

Drainage 2 – Modeled in the Spring Creek Subwatershed 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

 

WASCOB 

Filter Strip 

Denitrifying Bioreactor 

Receiving Waterway

APPENDIX H. STEPL Model Input Data

295

Drainage 3 – Modeled with other RMS packages (Talbert Ditch and Prairie Creek Subwatersheds) 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

Filter Strip 

Stream

bank 

Stabilization and 

Fencing 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

296

Pasture 1 – Modeled in the Lauramie Creek Subwatershed 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

Critical Area Stabilization Pasture Management 

Filter Strip 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

297

 

Urban 1 – Modeled in the Prairie Creek and Jenkins Ditch Subwatersheds 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect    

Grass Swales 

Bioretention Facility 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

298

Urban 2 – Modeled in the Prairie Creek and Jenkins Ditch Subwatersheds 

 

N Eff – Nitrogen Effect P Eff – Phosphorus Effect Sed Eff – Sediment Effect  

 

Vegetated Filter Strips 

Porous Pavement 

Receiving Waterway 

APPENDIX H. STEPL Model Input Data

299