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Related Topics:
  • NPDES Permits Around the Nation
  • National Pollutant Discharge Elimination System (NPDES)
Contact Us

Colorado NPDES Permits

In Colorado, EPA issues all NPDES permits for federally-owned facilities and on tribal lands (see table below). All other permits are issued by the Colorado Department of Public Health & Environment.

For state-issued permits, visit Colorado Department of Public Health & Environment Water Quality Permits

Related pages:
  • About Region 8's NPDES Permit Program
  • View Public Notices about Colorado NPDES Permits
  • EPA's Suncor Energy USA CEI Inspections

Click on the facility/permit name to view the permit and supporting documents.

NPDES Permits issued by EPA in Colorado
Location Facility or Permit Name Permit Number Permit Status Effective Date Expiration Date
Various General Permit for Wastewater Discharges Associated with Drinking Water Production in Indian Country CODW#### Final 2019-07-31 2024-06-30
Various General Permit for Wastewater Lagoons in Indian Country COG587### Final 2022-04-01 2027-03-31
Southern Ute Indian Reservation (La Plata County) Crossfire-Bonds Gravel Pit CO0035024 Final 2022-04-01 2027-03-31
Lazear (Delta County) Hotchkiss National Fish Hatchery CO0000086 Final 2017-05-01 2022-03-31
Leadville (Lake County) Leadville National Fish Hatchery CO0000582 Final 2022-06-01 2027-05-31
El Paso County Fort Carson Sanitary Wastewater Treatment Facility CO0021181 Final 2011-12-01 2016-09-30
Leadville (Lake County) Leadville Mine Drainage Tunnel CO0021717 Final 2017-01-01 2021-12-31
Southern Ute Indian Reservation (La Plata County) Southern Ute Indian Tribe Wastewater Treatment Facility CO0022853 Final 2017-11-01 2022-09-30
Mesa Verde (Montezuma County) Mesa Verde National Park Wastewater Treatment Facilities CO0034398 Final 2019-09-01 2024-06-30
Mesa Verde (Montezuma County) Mesa Verde National Park Water Treatment Plant CO0034622 Final 2021-01-01 2025-12-31
Southern Ute Indian Reservation (La Plata County) Four Corners Materials Bayfield Pit CO0034665 Final 2020-04-01 2024-06-30
El Paso County Cheyenne Mountain Air Force Station CO0034762 Final 2017-04-01 2022-03-31
El Paso County Fort Carson Landfill No. 5 (Draft) CO0034771 Draft n/a n/a
El Paso County Fort Carson Landfill No. 5 CO0034771 Final 2011-09-01 2016-06-30
Weld and Logan Counties F.E. Warren Air Force Base Missile Launch Facilities CO0034789 Final 2022-04-01 2027-03-31
Mesa County Colorado National Monument CO0034975 Final 2022-04-01 2027-03-31
El Paso County Fort Carson Municipal Separate Storm Sewer System (MS4) (Stormwater) COR042001 Final 2016-01-01 2020-12-31
Lakewood (Jefferson County) Denver Federal Center Municipal Separate Storm Sewer System (MS4) (Stormwater) COR042004 Final 2011-12-01 2016-11-30
Lakewood (Jefferson County) Denver Federal Center Municipal Separate Storm Sewer System (MS4) (Stormwater)(Draft) COR042004 Draft n/a n/a
El Paso County Peterson Air Force Base Municipal Separate Storm Sewer System (MS4)(Stormwater) COR042006 Final 2016-01-01 2020-12-31
El Paso County Air Force Academy Municipal Separate Storm Sewer System (MS4)(Stormwater) COR042007 Final 2016-01-01 2020-12-31
Aurora (Arapahoe County) Rocky Mountain Regional VA Medical Center Municipal Separate Storm Sewer System (MS4) (Stormwater) COR042008 Final 2019-10-01 2024-09-30
Southern Ute Indian Reservation (La Plata County) Transit Waste, LLC, Bondad Landfill COR050005 Final 2021-10-01 2026-09-30
Aurora Buckley Space Force Base Municipal Separate Storm Sewer System (MS4)(Stormwater) COR042003 Final 2015-01-12 2018-09-30
Aurora Buckley Space Force Base Municipal Separate Storm Sewer System (MS4)(Stormwater) (Draft) COR042003 Draft n/a n/a
Boulder U.S. Dept. of Commerce, National Institute of Standards and Technology (NIST) Municipal Separate Storm Sewer System (MS4) (Stormwater) COR042002 Final 2009-09-01 2014-08-31
El Paso County U.S. Air Force Academy Wastewater Treatment Facility CO0020974 Final 2015-02-01 2019-12-31
Lakewood (Jefferson County) Denver Federal Center Building 52A CO0034860 Final 2013-11-01 2018-09-30
Lakewood (Jefferson County) Federal Corrections Institution, Englewood Municipal Separate Storm Sewer System (MS4) (Stormwater) COR042005 Final 2014-10-01 2019-09-30
Lakewood (Jefferson County) U.S. General Services Administration (GSA), Downing Reservoir Groundwater Treatment Facility CO0035033 Final 2018-09-01 2023-08-31
Adams County U.S. Fish and Wildlife Service Rocky Mountain Arsenal Recycled Water Pipeline CO0035009 Final 2022-06-01 2027-05-31
Golden (Jefferson County) U.S. Dept. of Energy National Renewable Energy Laboratory – South Table Mountain (MS4) (Stormwater) COR042009 Final 2018-12-01 2023-11-30
Fremont County U.S. Department of the Interior, Bureau of Land Management, Park Center Well CO0035017 Final 2018-12-01 2023-11-30
Monument Jabil, Incorporated COPF00101 Final 2020-05-26 n/a
Weld JM Shafer Generating Station COPF00107 Final 2020-10-01 n/a
Weld Windsor Metal Container (Draft) COPF00102 Draft n/a n/a
Lakewood (Jefferson County) U.S. General Services Administration (GSA), Denver Federal Center Dewatering CO0034878 Final 2021-04-01 2026-03-31
Mesa Monument Powder Coating COPF00108 Final 2020-11-23 n/a
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Last updated on May 20, 2022