Permit Resources
Online resources listed below are offered to help with preparing CRWD permits.
Minnesota Hydrology Guide
www.mn.nrcs.usda.gov/technical/eng/pdf/mhgweb.pdf
- Runoff input parameters
- Rainfall frequencies
Minnesota Stormwater Manual
stormwater.pca.state.mn.us/index.php?title=Main_Page
- Runoff input parameters
- Rainfall frequencies
- Water-quality treatment methods
- Approved water-quality models and approaches
- Erosion-control BMPs
USDA Web Soil Survey
websoilsurvey.nrcs.usda.gov/app/HomePage.htm
- Soil Information
USDA/NRCS Soil Loss Equation
www.mn.nrcs.usda.gov/technical/ecs/agron/RUSLE2/rusle2.html
- Soil loss tolerance information
FEMA Flood Map Service Center
msc.fema.gov/portal/home
- Floodplain and floodway locations
Minnesota Department of Natural Resources
www.dnr.state.mn.us/waters/index.html
Ordinary High Water Mark Elevations
www.dnr.state.mn.us/waters/surfacewater_section/hydrographics/ohw.html
Minnesota Pollution Control Agency – NPDES Permit
www.pca.state.mn.us/water/stormwater/stormwater-c.html
- NPDES Permit Application
- SWPPP Preparation