MS4 general permits
- Statewide MS4 General Permit(COR090000).
- Application - PDF form.
- Application - Word.
- Permit.
- Fact sheet.
- Fact sheet modification 1.
- Fact sheet modification 2.
- Fact sheet modification 3.
- Fact sheet modification 4.
- Fact Sheet modification 6.
- Appendix A.
-
Former COR090000 General Permit - for use in complying with the requirements of Part I.H of the currently effective permit.
- Non-Standard MS4 General Permit(COR070000).
- Application - PDF Form.
- Application - Word.
- Permit.
- Fact sheet.
- Information on the issuance of the renewal permit - Updated January 23,2019.
- Cherry Creek Reservoir Basin MS4 General Permit (COR080000).
- Application - PDF form.
- Application - Word.
- Permit.
- Fact sheet.
- Fact sheet modification 1.
- Fact sheet modification 2.
- Fact sheet modification 3.
- Fact sheet modification 4.
- Appendix A.
-
Former COR080000 General Permit - for use in complying with the requirements of Part I.H of the currently effective permit.