Colorado utilities 901 to 1,000.

Each serves 36 to 70 people, as it reports to EPA. Your ZIP code finds yours faster.

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901 to 1,000 of 1,030, by people served

Colorado utilities, 901 to 1,000 of 1,030, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
White Horse Springs WD	Aspen	70	Not sampled	0
Ute Heights Community WS	Nathrop	69	Not sampled	0
Laplata Vista Estates HOA	Durango	68	Not sampled	0
Marabou HOA	Steamboat	68	Not sampled	0
Tres Valles West	Trinidad	68	Not sampled	3
Mill Creek Wia	Dumont	67	Not sampled	12
Peaks Shadow LLC	Calhan	67	Not sampled	1
San Juan Ranch Estates Association, Inc	Lake City	67	Not sampled	0
Twin Rivers MHP, LLC	Grand Junction	67	Not sampled	0
Signal Mountain Ranch Property Owners WC	Beulah	66	Not sampled	11
Pine Lake Village	Boulder	65	Not sampled	1
Pinewood Mobile Home Park	Fort Collins	65	Not sampled	0
Orchard Estates	Glenwood Springs	64	Not sampled	0
Town of Two Buttes	Two Buttes	64	Not sampled	10
Hope Ditch Co	Brighton	63	Not sampled	0
Lions Ridge Estates	Glenwood Springs	63	Not sampled	2
Westwinds WD	Buena Vista	63	Not sampled	0
Escalante Village	Durango	62	Not sampled	1
Ginters Grove Domestic Water Corp	Cedaredge	62	Not sampled	0
Town of Starkville	Trinidad	62	Not sampled	0
Town of Hartman	Administrative Contact	61	Not sampled	6
Camelot Property Owners Assoc	Colorado Springs	60	Not sampled	0
Cottonwood MHP	Vancouver	60	Not sampled	0
Elephant Rock MHP	Colorado Springs	60	Not sampled	18
Heartwood Co Op Housing	Bayfield	60	Not sampled	0
Mad Dog WC	Crawford	60	Not sampled	5
Pine Wind MHP	Seminole	60	Not sampled	0
Sierra Verde Water Inc.	Durango	60	Not sampled	0
Sunrise Trailer Park	Montrose	60	Not sampled	0
Tall Pines Village	Durango	60	Not sampled	4
Tanglewood WS	Silverthorne	60	Not sampled	0
Town of Sawpit	Placerville	59	Not sampled	0
Lakeshore Mobile Home Park	Winter Park	58	Not sampled	0
North Holbrook WC	Rocky Ford	58	None found	37
West Paonia Domestic Water Company	Paonia	57	Not sampled	1
Mountain Shadows MHP	Fountain	56	Not sampled	2
Peyton Pines	Peyton	56	Not sampled	0
White Haven MHP	Steamboat Springs	56	Not sampled	0
Northside Village MHP	Windsor	55	Not sampled	0
Riverbend Cabins	Steamboat Springs	55	Not sampled	1
Riverview Subd	Glenwood Springs	55	Not sampled	0
Saddle Ridge Ranch Estates WC	Crested Butte	55	Not sampled	0
Town of Haswell	Haswell	55	Not sampled	1
Valley Maint Corp No 2	Divide	55	Not sampled	5
Holbrook Center Soft WA	La Junta	54	Not sampled	34
Valley Vista Estates	Denver	51	Not sampled	0
Cragmont WC	Evergreen	50	Not sampled	4
Cross L Estates	Meeker	50	Not sampled	0
Fox Estates HOA	Steamboat Springs	50	Not sampled	0
Grace Mar WUA	Wheat Ridge	50	Not sampled	0
Oak Meadows Water Association	Glenwood Springs	50	Not sampled	0
Overlook Mutual WC	Colorado Springs	50	Not sampled	0
Pinon WSD	Trinidad	50	Not sampled	0
Prince Creek Village HOA	Carbondale	50	Not sampled	0
Shawnee Wca	Buffalo Creek	50	Not sampled	0
Three Mile Tp	Carbondale	50	Not sampled	0
Valley at Winter Park WD	Littleton	50	Not sampled	0
Valli Hi MHP	Denver	50	Not sampled	0
Crowley Ranch Reserve	Chromo	49	Not sampled	0
Moose Haven Condos	Colorado Springs	48	Not sampled	1
Cattle Creek WUA	Glenwood Springs	47	Not sampled	1
River Green Poa	Crested Butte	47	Not sampled	0
South Lamborn Mesa Water Company	Paonia	47	Not sampled	1
Willow Bend MHP	Dallas	46	Not sampled	0
Los Prados HOA	Durango	45	Not sampled	1
Mountain Shadows Mobile Estates	Centennial	45	Not sampled	0
Silver Bonnett Park	Falcon	45	Not sampled	0
Viejo San Acacio	San Luis	45	Not sampled	0
Fox Hill Water Association Inc	Fort Lupton	44	Not sampled	1
Phillips Mobile Home Park	Aspen	44	Not sampled	0
South Side WA	La Junta	44	Not sampled	13
Valley View Park Mobile Home Community	Westcliffe	44	Not sampled	0
Pinon Heights MHP	Durango	43	Not sampled	0
Guadalupe WA	Conejos	42	Not sampled	3
Hawkridge HOA	Carbondale	42	Not sampled	0
Sidney Peak Ranch	Steamboat Springs	42	Not sampled	0
Town of Paoli	Paoli	42	Not sampled	2
Erie Meadows	Erie	41	Not sampled	0
Pitkin Iron HOA	Aspen	41	Not sampled	0
Van Den Berg MD	Ignacio	41	Not sampled	1
Chicosa Water Users Association	Trinidad	40	Not sampled	1
Crystal River Country Estates Water Co	Carbondale	40	Not sampled	0
Durango Falfa Mhc LLC	Durango	40	Not sampled	11
Earles Subdivision WC	Montrose	40	Not sampled	0
Eastside MHP	Salida	40	Not sampled	1
Navajo River Ranch Poa	Pagosa Springs	40	None found	3
Rolling Plains Estate	Strasburg	40	Not sampled	4
San Acacio Domestic WA	San Luis	40	Not sampled	3
Solitude MD	Castle Rock	40	Not sampled	0
Wayside	Frisco	40	Not sampled	0
Saddlehorn Ranch MD	Colorado Springs	39	Not sampled	0
Triangle Tp	Durango	39	Not sampled	0
Spring Park Meadows	Carbondale	38	Not sampled	0
Tv Hills Water	Wetmore	38	Not sampled	1
Wooden Deer HOA	Glenwood Springs	38	Not sampled	0
Chair Mtn Ranch HOA Filing 1	Carbondale	37	Not sampled	0
Riverwood Mobile Home Park	Cedaredge	37	Not sampled	0
Western Extension Domestic Water Company	Paonia	37	Not sampled	0
Fox Run Meadows HOA	Glenwood Springs	36	Not sampled	0
Pacheco Trailer Park	Monte Vista	36	Not sampled	8

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.

901 to 1,000 of 1,030, by people served

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