Useful Links

 
EPA SWPPP Guidance - Developing Your Stormwater Pollution Prevention Plan
   

USDA Agricultural Handbook #703 - Predicting Soil Erosion by Water: A Guide to Conservation Planning with the Revised Universal Soil Loss Equation (RUSLE) - R factor on page 48, LS Factor on page 124

 
   

Web Soil Survey (K - Soil Erodability Factor)

 
   

ITD Roadside Revegetation Manual

 
   

NOAA Precipitation Data

 
   

USGS Streamstats interactive mapping tool

 
   

Rainfall Erosivity Factor Calculator

 
   
Stream Tracing Tool  
   
DEQ Final 2012 Integrated Report