Colorado utilities 101 to 185.
Each serves 40 to 9,887 people, as it reports to EPA. Your ZIP code finds yours faster.
101 to 185 of 185, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Town of Morrison | Morrison | 9,887 | PFBS | 0 |
| Town of Mountain Village | Redvale | 9,700 | PFOS, PFHxS | 0 |
| St Charles Mesa WD | Pueblo | 9,690 | None found | 0 |
| City of Gunnison | Gunnison | 9,610 | PFOS, PFBS | 0 |
| City of Rifle | Rifle | 9,489 | None found | 1 |
| City of Glenwood Springs | Glenwood Springs | 9,428 | None found | 0 |
| Willowbrook WSD | Lakewood | 9,348 | Not sampled | 0 |
| Cherry Creek Village WD | Greenwood Village | 9,215 | Not sampled | 0 |
| Town of Milliken | Milliken | 9,200 | None found | 0 |
| City of Craig | Craig | 8,930 | None found | 0 |
| City of Cortez | Cortez | 8,770 | None found | 1 |
| City of Delta | Delta | 8,700 | None found | 0 |
| City of Woodland Park | Woodland | 8,500 | None found | 1 |
| Town of Silverthorne | Silverthorne | 8,400 | PFHxS, PFBS | 0 |
| City of la Junta | La Junta | 8,320 | None found | 0 |
| Inverness WSD | Englewood | 8,140 | None found | 0 |
| Morgan County Quality WD | Fort Morgan | 8,116 | None found | 0 |
| Town of Telluride | Telluride | 7,900 | None found | 10 |
| Central Weld Cnty WD | Greeley | 7,662 | None found | 0 |
| Town of Eagle | Eagle | 7,511 | None found | 0 |
| City of Florence | Florence | 7,500 | None found | 1 |
| City of Lamar | Lamar | 7,500 | PFHxS, PFBS | 0 |
| Parkville WD | Leadville | 7,500 | None found | 0 |
| Todd Creek Village MD | Brighton | 7,363 | PFOS, PFHxS, PFBS | 0 |
| Town of Eaton | Eaton | 7,328 | None found | 1 |
| City of Manitou Springs | Manitou Springs | 6,938 | None found | 2 |
| City of Dacono | Dacono | 6,900 | None found | 1 |
| Town of Carbondale | Carbondale | 6,700 | None found | 2 |
| Winter Park WSD | Winter Park | 6,635 | None found | 0 |
| Town of Lochbuie | Lochbuie | 6,518 | PFHxS, PFBS | 0 |
| Stratmoor Hills WSD | Colorado Springs | 6,500 | None found | 1 |
| Donala WSD | Colorado Springs | 6,421 | None found | 5 |
| Snowmass Village WSD | Snowmass Village | 6,353 | None found | 1 |
| Northern Douglas County WSD | Greenwood Village | 6,160 | PFBS | 0 |
| City of Lakewood | Lakewood | 6,000 | Not sampled | 0 |
| Copper Mountain Consolidated MD | Copper Mountain | 5,785 | None found | 0 |
| Town of Monument | Monument | 5,740 | None found | 11 |
| Triview MD | Monument | 5,737 | None found | 0 |
| City of Salida | Salida | 5,666 | None found | 0 |
| Castle Pines Village MD | Castle Rock | 5,656 | None found | 0 |
| Grand County Water No 1 | Winter Park | 5,400 | None found | 5 |
| Town of Georgetown | Georgetown | 5,315 | Not sampled | 0 |
| City of Edgewater | Edgewater | 5,300 | Not sampled | 0 |
| City of Brush | Hillrose | 5,122 | None found | 0 |
| Town of Limon | Limon | 5,080 | None found | 0 |
| Town of New Castle | New Castle | 5,024 | None found | 0 |
| Paint Brush Hills | Falcon | 4,994 | None found | 0 |
| Northern Colorado WA | Wellington | 4,675 | None found | 0 |
| Town of Keenesburg | Keenesburg | 4,650 | Not sampled | 2 |
| City of Monte Vista | Monte Vista | 4,600 | None found | 0 |
| Mid Valley MD | Carbondale | 4,588 | None found | 0 |
| Town of Elizabeth | Elizabeth | 4,523 | Not sampled | 0 |
| Menoken WD | Montrose | 4,500 | None found | 0 |
| Town of Frisco | Frisco | 4,495 | None found | 1 |
| City of Rocky Ford | Rocky Ford | 4,443 | PFOS, PFHxS, PFBS | 0 |
| City of Glendale | Glendale | 4,400 | Not sampled | 0 |
| Town of Bennett | Bennett | 4,400 | Not sampled | 0 |
| Town of Ault | Ault | 4,220 | Not sampled | 0 |
| Battlement Mesa MD | Parachute | 4,100 | None found | 0 |
| City of Yuma | Yuma | 4,049 | None found | 0 |
| High View WD | Denver | 4,000 | Not sampled | 0 |
| Park Center WD | Canon City | 4,000 | None found | 2 |
| West Fort Collins WD | La Porte | 4,000 | None found | 0 |
| Town of Hayden | Hayden | 3,982 | None found | 0 |
| Genesee WSD | Golden | 3,920 | None found | 0 |
| Perry Park WSD | Larkspur | 3,890 | None found | 0 |
| Chipeta WD | Montrose | 3,802 | None found | 0 |
| Town of Buena Vista | Buena Vista | 3,776 | None found | 0 |
| City of Central City | Central City | 3,750 | None found | 0 |
| Ymca Rockies Wind River | Estes Park | 3,730 | None found | 17 |
| City of Burlington | Burlington | 3,720 | None found | 45 |
| Colorado Centre MD | Colorado Springs | 3,675 | None found | 0 |
| Town of Silt | Silt | 3,536 | Not sampled | 1 |
| Advenir French Quarter | Denver | 3,447 | None found | 1 |
| Town of Hudson | Hudson | 3,350 | None found | 2 |
| City of Creede | Creede | 1,965 | None found | 0 |
| Town of Dolores | Dolores | 1,626 | None found | 0 |
| Town of Antonito | Antonito | 981 | None found | 8 |
| Two Rivers Village | Edwards | 896 | None found | 0 |
| Golden Terrace West | Golden | 825 | None found | 1 |
| Ymca Snow Mtn Ranch | Granby | 578 | None found | 0 |
| Crawford Mesa WA | Crawford | 486 | None found | 1 |
| Patterson Valley WC | Rocky Ford | 96 | None found | 72 |
| North Holbrook WC | Rocky Ford | 58 | None found | 35 |
| Navajo River Ranch Poa | Pagosa Springs | 40 | None found | 3 |
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.
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