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NPDES Permit for Denver Federal Center Municipal Separate Storm Sewer System in Colorado

Under National Pollutant Discharge Elimination System permit number COR-042004, the United States General Services Administration is authorized to discharge from municipal separate storm sewer system outfalls at the Denver Federal Center to receiving waters which include McIntyre Gulch and the Agricultural Ditch, in the City of Lakewood, Jefferson County, Colorado.

CO-R042004 Denver Federal Center Municipal Separate Storm Sewer System (MS4) NPDES Permit (pdf) (373.36 KB, August 2, 2022)
The final NPDES stormwater discharge permit.
CO-R042004 Denver Federal Center Municipal Separate Storm Sewer System (MS4) Statement of Basis (pdf) (652.15 KB, August 2, 2022)
The statement of basis for the final NPDES stormwater discharge permit.