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 PermitsExit
Related pages:
Click on the facility/permit name to view the permit and supporting documents.
| Location | Facility or Permit Name | Permit Number | Permit Status | Effective Date | Expiration Date |
|---|---|---|---|---|---|
| Various | General Permit for Wastewater Lagoons in Indian Country | COG587### | Final | 2016-01-01 | 2020-12-31 |
| Southern Ute Indian Reservation (La Plata County) | Crossfire-Bonds Gravel Pit | CO0035024 | Final | 2015-09-01 | 2020-08-30 |
| Lazear (Delta County) | Hotchkiss National Fish Hatchery | CO0000086 | Final | 2017-05-01 | 2022-03-31 |
| Leadville (Lake County) | Leadville National Fish Hatchery (Proposed Permit) | CO0000582 | Draft | n/a | n/a |
| Leadville (Lake County) | Leadville National Fish Hatchery | CO0000582 | Final | 2008-11-01 | 2013-09-30 |
| 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 (Proposed Permit) | CO0022853 | Draft | n/a | n/a |
| Mesa Verde (Montezuma County) | Mesa Verde National Park Wastewater Treatment Facility | CO0034398 | Final | 2013-03-01 | 2017-12-31 |
| Mesa Verde (Montezuma County) | Mesa Verde National Park Water Treatment Plant | CO0034622 | Final | 2014-11-01 | 2019-09-30 |
| Southern Ute Indian Reservation (La Plata County) | Four Corners Materials Bayfield Pit | CO0034665 | Draft | n/a | n/a |
| Southern Ute Indian Reservation (La Plata County) | Four Corners Materials Bayfield Pit | CO0034665 | Final | ||
| El Paso County | Cheyenne Mountain Air Force Station | CO0034762 | Final | 2017-04-01 | 2022-03-31 |
| 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 | ||
| Mesa County | Colorado National Monument | CO0034975 | Final | 2016-10-01 | 2021-09-30 |
| Aurora | Eastern Colorado Health Care System (VA Hospital) | CO0034991 | Final | 2012-08-07 | 2017-07-31 |
| Archuleta County | Arboles Sand & Stone Lob Lolly Industrial Site | CO0048194 | Final | ||
| 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 |
| 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 |
| Denver | Denver VA Hospital Municipal Separate Storm Sewer System (MS4) (Stormwater) | COR042008 | Final | 2016-01-01 | 2020-12-31 |
| Southern Ute Indian Reservation (La Plata County) | Transit Waste, LLC, Bondad Landfill | COR050005 | Final | 2012-06-01 | 2017-05-31 |
| Aurora | Buckley Air Force Base Municipal Separate Storm Sewer System (MS4) (Stormwater) | COR042003 | Final | 2015-01-12 | 2018-09-30 |
| 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 | 2015-01-01 | 2020-12-31 |
| 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, Downing Reservoir Groundwater Treatment Facility (Proposed Permit) | CO0035033 | Draft | n/a | n/a |
| Adams County | U.S. Dept. of Interior, Fish and Wildlife Service Rocky Mountain Arsenal Recycled Water Pipeline | CO0035009 | Final | 2015-05-01 | 2020-03-31 |
| 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 |