WQ municipal MS4 general permits

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.