Colorado utilities 401 to 500.

Each serves 350 to 530 people, as it reports to EPA. Your ZIP code finds yours faster.

Find a Colorado utility, city or county

401 to 500 of 1,030, by people served

Colorado utilities, 401 to 500 of 1,030, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Crowley County WA	Ordway	530	Not sampled	0
Elkhorn Ranch MD No 1	Centennial	530	Not sampled	0
Smith Creek Crossing	Windsor	518	Not sampled	0
Brush Creek WD	Aspen	516	Not sampled	1
Town of Granada	Granada	515	Not sampled	10
Franklin Mobile Home Park	Littleton	513	Not sampled	0
La Plata Archuleta Water District	Ignacio	510	Not sampled	0
Countryside Estates Pueblo	Pueblo	508	Not sampled	2
Crestline Manor	Colorado Springs	505	Not sampled	0
El Morro Mobile Estates	Littleton	504	Not sampled	1
Pueblo Grande Village	Pueblo	504	Not sampled	0
Town of Rockvale	Rockvale	504	Not sampled	1
Town of Saguache	Saguache	504	Not sampled	1
Town of Empire	Empire	500	Not sampled	14
Town of Nunn	Nunn	499	Not sampled	0
Eureka WC	Rocky Ford	498	Not sampled	72
Town of Manzanola	Manzanola	497	Not sampled	51
City of Victor	Victor	491	Not sampled	6
Montezuma Cnty WD No 1	Cortez	490	Not sampled	1
River Meadows the	Montrose	490	Not sampled	0
Thunderbird WSD	Sedalia	490	Not sampled	0
Lake Fork MHP	Littleton	487	Not sampled	0
Crawford Mesa WA	Crawford	486	None found	1
Bailey WSD	Bailey	483	Not sampled	3
Game Trail Association Inc	Buena Vista	480	Not sampled	0
Sheridan MHP	Lakewood	480	Not sampled	0
Ft Garland WSD	Ft Garland	477	Not sampled	0
Town of Crawford	Crawford	477	Not sampled	0
Cedar Mountain Village MHP	Cedaredge	475	Not sampled	0
Mountainside Estates MHP	Lakewood	473	Not sampled	1
Cheyenne Mountain Estates MHP	Lafayette	472	Not sampled	1
Bobcat Meadows MD	Woodland Park	470	Not sampled	0
Valley Maint Corp No 1	Colorado Springs	470	Not sampled	3
Town of Blanca	Blanca	469	Not sampled	1
Town of Red Cliff	Red Cliff	469	Not sampled	0
Town of Yampa	Yampa	467	Not sampled	5
Mesa Cortina WSD	Wheat Ridge	466	Not sampled	0
Sunset Park Mhc	Aurora	462	Not sampled	0
Belleview Christian College	Westminster	460	Not sampled	1
Town of Alma	Alma	460	Not sampled	1
Newdale Grand Valley WC	Rocky Ford	458	Not sampled	3
St Marys Glacier WSD	Wheat Ridge	451	Not sampled	6
Riverview Cg	Windsor	450	Not sampled	9
Shannon WSD	Boulder	450	Not sampled	0
Westwood Lakes WD	Woodland Park	450	Not sampled	1
Town of Aguilar	Aguilar	447	Not sampled	2
Town of Fleming	Fleming	446	Not sampled	2
Beulah Water Works District	Beulah	445	Not sampled	7
Eagle Crest MHP	Firestone	441	Not sampled	0
Mountain View Village West	Bloomfield Hills	440	Not sampled	0
Town of Brookside	Brookside	438	Not sampled	0
Town of Rico	Rico	437	Not sampled	0
Countryside of Greeley	Lakewood	435	Not sampled	0
Kannah Creek	Grand Junction	435	Not sampled	0
Evergreen Lake Company	Cimarron	431	Not sampled	5
Columbine Lake WSD	Grand Lake	428	Not sampled	0
Golden Terrace South	Golden	425	Not sampled	1
Sopris Village HOA	Aspen	425	Not sampled	0
Sunset WD	Windsor	425	Not sampled	0
Lamplighter Mobile Home Park	Denver	420	Not sampled	0
Elk Springs HOA	Glenwood Springs	416	Not sampled	0
Pine Drive WD	Beulah	416	Not sampled	15
Mitchell Cooper Ditch Pipeline	Glenwood Springs	415	Not sampled	1
Aldasoro Ranch Hoc	Telluride	412	Not sampled	0
Steamboat Lake WD	Clark	411	Not sampled	0
Avilla Eastlake	Thornton	410	Not sampled	1
Blue Valley MD	Kremmling	410	Not sampled	0
Lake Creek Meadows MD	Edwards	407	Not sampled	0
Big Elk Meadows WA	Ft Morgan	405	Not sampled	8
Town of Wiley	Wiley	405	Not sampled	0
Skyline	Fort Collins	402	Not sampled	0
Bone Mesa Domestic WD	Paonia	400	Not sampled	7
El Rancho Florida MD	Durango	400	Not sampled	1
Forest Hills MD Riva Chase	Denver	400	Not sampled	0
Gardner Water and Sanitation Dist	Walsenburg	400	Not sampled	0
Westbank Ranch HOA	Glenwood Springs	400	Not sampled	0
Town of Olney Springs	Olney Springs	399	Not sampled	0
Consolidated Glacier View Meadows Assoc	Livermore	395	Not sampled	3
Redhill Forest Pomwaca	Littleton	388	Not sampled	0
Granada Rural Water Authority	Lamar	378	Not sampled	7
McClave WA Inc	McClave	378	Not sampled	4
North Shore WSD	Grand Lake	378	Not sampled	0
Paradise Park MHP	Boise	375	Not sampled	0
Gateway Canyons WS	Gateway	370	Not sampled	0
Riverland Lot Owners Assoc	Crested Butte	368	Not sampled	0
Town of Romeo	Romeo	365	Not sampled	1
Holiday Village Mobile Home Community	Colorado Springs	360	Not sampled	0
Santa Fe Trail Ranch MD	Trinidad	360	Not sampled	1
Stoneybrook Pointe	Lakewood	355	Not sampled	0
La Plata West Water Authority	Hesperus	354	Not sampled	1
Apple & Cherry Ridge Village	Orem	350	Not sampled	1
Baxter Water and Services	Pueblo	350	Not sampled	6
Blue Mountain WD	Wheat Ridge	350	Not sampled	0
Gambel Oaks HOA	Elizabeth	350	Not sampled	1
Hi Land Acres WSD	Brighton	350	Not sampled	1
Idledale WSD	Denver	350	Not sampled	1
Town of Coal Creek	Coal Creek	350	Not sampled	0
Town of Dinosaur	Dinosaur	350	Not sampled	2
Wattenberg Improvement Assoc	Fort Lupton	350	Not sampled	0
Woodlands East	Greeley	350	Not sampled	0

Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Colorado Department of Public Health and Environment, Water Quality Control Division.

401 to 500 of 1,030, by people served

Where to go next