NPDES Permit for Peterson Air Force Base Municipal Separate Storm Sewer System in Colorado

Under National Pollutant Discharge Elimination System permit number COR-042006, Peterson Air Force Base is authorized to discharge from all municipal separate storm sewer system (MS4) outfalls to receiving waters which include the East Fork of Sand Creek and other waters of the United States within the exterior boundaries of Peterson Air Force Base in El Paso County, Colorado.

The EPA accepted public comments on the draft permit through April 26, 2024.

Current Permit

• CO-R042006 Peterson Air Force Base Municipal Separate Storm Sewer System (MS4) Permit (pdf) (439.13 KB, December 2, 2015)
• CO-R042006 Peterson Air Force Base Municipal Separate Storm Sewer System (MS4) Statement of Basis (pdf) (202.13 KB, December 2, 2015)

Draft Permit

The EPA accepted public comments on the draft permit through April 26, 2024.

• COR-042006 Peterson Air Force Base MS4 Draft NPDES Permit (pdf) (417.27 KB, March 26, 2024)
  The draft MS4 NPDES discharge permit.
• COR-042006 Peterson Air Force Base MS4 Draft Statement of Basis (pdf) (752.93 KB, March 26, 2024)
  The statement of basis for the draft MS4 NPDES discharge permit.