Clean water: Municipal MS4 storm water compliance assistance and guidance
Most requested permitting forms
change of contact, modification, transfer, application supplement, termination reuqest, annual report forms, etc.
Application and Measureable Goal guidance
Non-standard municipal guide (Urban Area Maps).
Compliance assistance documents
- COR080000 and COR090000 general permits frequently asked questions.
- Guidance on mosquitoes, West Nile virus and post-construction best management practices.
- MS4 construction site erosion control oversight state land guide.
- MS4 Stormwater Excellence Program fact sheet.
- Includes example lesson plans meeting Colorado standards for science, geography and civics.
Discharges without a permit: policies and guidance documents