Colorado Environmental Profile
Comprehensive environmental data from EPA sources for Colorado (CO)
Overview
TRI Facilities
259
Water Systems
1,109
Superfund Sites
24
Total Violations
5,332
Total Releases
24.4M lbs
Health Violations
429
water systems
Largest Polluters
View all →| # | Facility | Total Releases |
|---|---|---|
| 1 | CRIPPLE CREEK & VICTOR GOLD MINING CO | 5.7M lbs |
| 2 | CLIMAX MOLYBDENUM CO-HENDERSON MINE | 3.4M lbs |
| 3 | CLIMAX MOLYBDENUM CO-CLIMAX MINE | 2.9M lbs |
| 4 | PUBLIC SERVICE CO OF COLORADO COMANCHE STATION | 1.6M lbs |
| 5 | CLEAN HARBORS DEER TRAIL LLC. | 1.4M lbs |
| 6 | CLIMAX MOLYBDENUM CO HENDERSON MILL | 1.4M lbs |
| 7 | PUBLIC SERVICE CO OF COLORADO HAYDEN STATION | 995.3K lbs |
| 8 | PUBLIC SERVICE CO OF COLORADO PAWNEE STATION | 958.3K lbs |
| 9 | TRI-STATE GENERATION & TRANSMISSION-CRAIG STATION | 707.6K lbs |
| 10 | TRAPPER MINING INC. | 616.6K lbs |
| 11 | CARGILL MEAT SOLUTIONS CORP | 543.5K lbs |
| 12 | LEPRINO FOODS CO - GREELEY | 409.8K lbs |
| 13 | US ARMY FORT CARSON (CANTONMENT) | 388.9K lbs |
| 14 | METAL CONTAINER CORPORTION - WINDSOR CAN PLANT | 264.5K lbs |
| 15 | HOLCIM (US) INC PORTLAND PLANT | 191.5K lbs |
| 16 | CS WIND AMERICA | 183.1K lbs |
| 17 | MOLSON COORS USA LLC - GOLDEN BREWERY | 171.8K lbs |
| 18 | COLORADO SPRINGS UTILITIES RAY NIXON POWER PLANT | 162.6K lbs |
| 19 | EVRAZ ROCKY MOUNTAIN STEEL | 141.4K lbs |
| 20 | WESTERN SUGAR COOPERATIVE | 132.6K lbs |
Water Quality
Systems with Health Violations
| Water System | Population | Violations |
|---|---|---|
| MAY VALLEY WA | 1,500 | 412 |
| SOUTH SWINK WATER AUTHORITY | 622 | 264 |
| VALLEY WC | 270 | 155 |
| SUN MEADOW ESTATES | 75 | 154 |
| BEEHIVE WATER ASSOCIATION | 154 | 123 |
| COUNTRY ACRES MHP (LA SALLE COUNTY) | 222 | 104 |
| VALLEY MOBILE HOME LLC | 85 | 103 |
| RYE TOWN OF | 745 | 100 |
| MANZANOLA TOWN OF | 497 | 96 |
| VROMAN WC | 125 | 93 |
| CHERAW TOWN OF | 254 | 91 |
| COLORADO CITY MD | 2,755 | 87 |
| PATTERSON VALLEY WC | 96 | 86 |
| EUREKA WC | 498 | 85 |
| BURLINGTON CITY OF | 3,720 | 83 |
| FAYETTE WC | 75 | 69 |
| EAST END WA | 70 | 67 |
| HOLBROOK CENTER SOFT WA | 54 | 66 |
| ROSA JOINT VENTURES WATER SYSTEM | 239 | 58 |
| RIVERSIDE WC | 90 | 56 |
Cities with Water Issues
Aurora
Pop: —
Broomfield
Pop: —
Lafayette
Pop: —
Thornton
Pop: —
Wheat Ridge
Pop: —
Castle Rock
Pop: —
Englewood
Pop: —
Littleton
Pop: —
Sedalia
Pop: —
Brighton
Pop: —
Denver
Pop: —
Lakewood
Pop: —
Boulder
Pop: —
Empire
Pop: —
Frederick
Pop: —
Fort Collins
Pop: —
Loveland
Pop: —
Greeley
Pop: —
Wellington
Pop: —
Windsor
Pop: —
Superfund Sites (24)
| Site Name | Status | HRS Score |
|---|---|---|
| Air Force Plant PJKS | NPL Site | 42.93 |
| Bonita Peak Mining District | NPL Site | 50.00 |
| Broderick Wood Products | NPL Site | 35.13 |
| California Gulch | NPL Site | 55.84 |
| Captain Jack Mill | NPL Site | 50.56 |
| Central City, Clear Creek | NPL Site | 51.39 |
| Chemical Sales Co. | NPL Site | 37.93 |
| Colorado Smelter | NPL Site | 50.00 |
| Denver Radium Site | NPL Site | 44.11 |
| Eagle Mine | NPL Site | 47.19 |
| Lincoln Park | NPL Site | 31.31 |
| Lowry Landfill | NPL Site | 48.36 |
| Marshall Landfill | NPL Site | 0.00 |
| Nelson Tunnel/Commodore Waste Rock | NPL Site | 48.03 |
| Rocky Flats Plant (USDOE) | NPL Site | 64.32 |
| Rocky Mountain Arsenal (USARMY) | NPL Site | 58.15 |
| Sand Creek Industrial | Deleted NPL Site | 59.65 |
| Smeltertown Site | Proposed NPL Site | 58.56 |
| Smuggler Mountain | Deleted NPL Site | 31.31 |
| Standard Mine | NPL Site | 50.00 |
| Summitville Mine | NPL Site | 50.00 |
| Uravan Uranium Project (Union Carbide Corp.) | NPL Site | 43.53 |
| Vasquez Boulevard and I-70 | NPL Site | 50.00 |
| Woodbury Chemical Co. | Deleted NPL Site | 44.87 |
Counties (37 total)
| County | Population | Facilities |
|---|---|---|
| Weld | — | 55 |
| Adams | — | 47 |
| Denver | — | 19 |
| El Paso | — | 21 |
| Pueblo | — | 18 |
| Boulder | — | 16 |
| Jefferson | — | 13 |
| Larimer | — | 14 |
| Douglas | — | 11 |
| Arapahoe | — | 5 |
| Morgan | — | 6 |
| Mesa | — | 5 |
| Broomfield | — | 3 |
| Fremont | — | 2 |
| Moffat | — | 3 |
| Clear Creek | — | 1 |
| Eagle | — | 1 |
| Elbert | — | 2 |
| Garfield | — | 2 |
| Grand | — | 2 |
Showing top 20 counties by environmental activity. Colorado has 37 counties total.
Largest Cities
Arvada
Pop: —
6 facilities · 3 water systems
Aurora
Pop: —
10 facilities · 14 water systems
Broomfield
Pop: —
3 facilities · 4 water systems
Commerce City
Pop: —
7 facilities · 1 water systems
Lafayette
Pop: —
3 facilities · 9 water systems
Thornton
Pop: —
1 facilities · 5 water systems
Henderson
Pop: —
9 facilities · 2 water systems
Wheat Ridge
Pop: —
1 facilities · 25 water systems
Castle Rock
Pop: —
2 facilities · 8 water systems
Deer Trail
Pop: —
1 facilities · 1 water systems
Englewood
Pop: —
4 facilities · 6 water systems
Franktown
Pop: —
1 facilities · 0 water systems
Kiowa
Pop: —
2 facilities · 1 water systems
Littleton
Pop: —
7 facilities · 25 water systems
Sedalia
Pop: —
1 facilities · 2 water systems
Brighton
Pop: —
6 facilities · 8 water systems
Denver
Pop: —
31 facilities · 54 water systems
Lakewood
Pop: —
3 facilities · 54 water systems
Northglenn
Pop: —
1 facilities · 1 water systems
Boulder
Pop: —
8 facilities · 12 water systems
About This Data
This page aggregates environmental data from three EPA programs for Colorado: the Toxic Release Inventory (TRI) for industrial chemical releases, the Safe Drinking Water Information System (SDWIS) for water quality, and the Superfund National Priorities List (NPL) for hazardous waste cleanup sites.
PlainEnviro presents this data without advocacy framing. Numbers reflect reported data and may not capture all environmental activity. For specific health or environmental concerns, contact your state environmental agency.