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NPDES Permit for Fort Carson Municipal Separate Storm Sewer System in Colorado

Under National Pollutant Discharge Elimination System permit number COR-042001, Fort Carson is authorized to discharge from all municipal separate storm sewer system (MS4) outfalls to receiving waters which include B-Ditch, Clover Ditch, Infantry Creek, Rock Creek, and other waters of the United States within the exterior boundaries of Fort Carson in El Paso County, Colorado.

Current Permit

CO-R042001 – Fort Carson Municipal Separate Storm Sewer System (MS4) Permit (pdf) (418.11 KB, December 2, 2015)
CO-R042001 – Fort Carson Municipal Separate Storm Sewer System (MS4) Statement of Basis (pdf) (357.38 KB, December 2, 2015)

Draft Permit

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

COR-042001 Fort Carson Army Base MS4 Draft NPDES Permit (pdf) (390.59 KB, March 26, 2024)
The draft NPDES discharge permit.
COR-042001 Fort Carson Army Base MS4 Draft Statement of Basis (pdf) (1.92 MB, March 26, 2024)
The statement of basis for the draft NPDES discharge permit.