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