Additional Resources
CDOT Resources
- Drainage Design Manual
- CDOT Erosion Control and Stormwater Quality Guide
- CDOT Erosion Control and Stormwater Pocket Guide (revised Dec. 2011)
- Right of Way Manual
- Revision to SWMP Design Bulletin (June 29, 2007)
- M and S Standard Plans for Construction BMPs
- Standard Specifications for Road and Bridge Construction
- Illicit Discharge Program
Other Helpful Organizations in Colorado
- Urban Drainage and Flood Control District
- CDPHE
- Colorado Stormwater Council
- Colorado Association of Stormwater and Floodplain Managers
- Cherry Creek Basin Water Quality Authority
- 5-2-1 Drainage Authority
- Colorado Stormwater Center
- Colorado Data Sharing Network
- Stormwater Permittees for the Local Awareness of Stream Health
- Southeast Metro Stormwater Authority
- Colorado Water Quality Forum
Other Helpful Organizations Outside Colorado
- U.S. Environmental Protection Agency
- National Pollutant Discharge Elimination System Program
- National Menu of Stormwater Best Management Practices
- International Stormwater Best Management Practices Database
- EPA Summary of the Clean Water Act
- Federal Highway Administration
- AASHTO
Report an Illicit Discharge
- Hotline: 303-512-4426
Illegal discharges (aka, illicit discharges) emit into CDOT's storm drain system pollutants (e.g., oil, grease, fertilizers, pesticides, grass clippings, leaves, or odd smelling/colored substances).