Arizona utilities 301 to 400.

Each serves 396 to 709 people, as it reports to EPA. Your ZIP code finds yours faster.

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301 to 400 of 750, by people served

Arizona utilities, 301 to 400 of 750, by people served
Utility	Based in	Serves	Regulated PFAS	Health-based violations since 2016
Marana Dwid - Culver	Marana	709	Not sampled	3
Adaman Mutual Water Company	Adaman	700	Not sampled	4
Papago Butte Dwid	Maricopa	700	Not sampled	36
Patton Place Estates	Patton Place Estates	687	Not sampled	0
Winterhaven Water Development	Tucson	685	Not sampled	0
Ganado Public Schools	Ganado	684	None found	0
Adjc Adobe Mountain School	Phoenix	680	Not sampled	1
Cs High Country Pines Water Company	Heber	668	Not sampled	0
Cs Peeples Valley Water Company	Peeples Valley	658	Not sampled	1
Naco Water Co Main	Naco	658	Not sampled	1
East Slope Water - West	Sierra Vista	655	Not sampled	1
Foothills Utilities Kingman West	Kingman	653	Not sampled	0
Cs Oak Creek Public Service LLC	Cornville	650	Not sampled	1
Gw Ocotillo Water - Diamond Bell	Tucson	649	Not sampled	0
Cs Tierra Mesa Estates Water Company	Yuma	632	None found	21
Arizona Water Co - Stanfield	Casa Grande	628	Not sampled	1
Southern Sunrise WC Miracle Valley	Bisbee	620	Not sampled	0
Inscription Canyon Water Company	Chino Valley	607	Not sampled	0
Gw - Bwc, Inc - Sunshine	Tonopah	605	Not sampled	3
Town of Duncan	Duncan	605	Not sampled	3
Cs Verde Lee Water Company	Clifton	604	Not sampled	12
Mingus West Water System	Prescott Valley	602	Not sampled	0
Ponderosa Park Dwid	Prescott	602	PFOA, PFOS, PFHxS, PFBS	1
Appaloosa Water Company	Chino Valley	600	Not sampled	0
Sun Valley Farms Unit Vi	Queen Creek	600	Not sampled	7
Havasu Heights Dwid	Lake Havasu City	599	Not sampled	0
La Casita Water Company 3	Tucson	598	Not sampled	0
Epcor - Willow Valley/Lake Cimarron	Mohave Valley	596	Not sampled	1
Pioneer Rv Resort	Pioneer	583	Not sampled	0
Navajo Water - Summer Pines	Lakeside	580	Not sampled	0
Glen Canyon Nra Wahweap	Page	579	None found	1
Horizon Six Dwid	Lake Havasu City	560	Not sampled	0
Epcor - Holiday Harbor	Parker	559	Not sampled	5
Vista del Norte MHP	Tucson	554	Not sampled	0
Northern Sunrise WC Coronado	Tombstone	553	Not sampled	0
Anway Manville Water Company	Avra Valley	550	Not sampled	0
Coldwater Canyon 1	Black Canyon City	541	Not sampled	4
Aspc Apache	Winslow	540	Not sampled	3
Cs Gadsden Water Company	Gadsden	540	Not sampled	0
Desert Gardens Rv Resort Co - Op, Inc	Florence	532	Not sampled	20
Inscription Canyon Water Company	Prescott	532	Not sampled	0
Epcor - Marina Village	Parker	528	Not sampled	8
Town of Hayden	Hayden	517	Not sampled	0
On the Greens	Cottonwood	516	Not sampled	3
Yarnell Water Improvement Association	Yarnell	515	Not sampled	0
So Hi Dwid	Kingman	513	Not sampled	0
Cs Tonto Village Water Company	Tonto Village	512	Not sampled	1
Bradshaw Water Company Inc	Prescott	510	Not sampled	0
Gisela	Gisela	508	Not sampled	0
Peak View Ranch	Surprise	508	Not sampled	0
Tonto Basin Water Roosevelt Lake Estates	Payson	508	Not sampled	0
Escapees at North Ranch	Congress	500	Not sampled	0
Orangewood Mobile Home Park	Phoenix	500	Not sampled	3
Trails West MHP	Tucson	500	Not sampled	0
Cs Christopher Creek Haven	Christopher Creek	497	Not sampled	3
Sedona Venture Water Company	Sedona	480	Not sampled	0
White Mountain Water Company	Show Low	475	Not sampled	1
Arizona Training Program	Coolidge	470	Not sampled	2
Hillcrest Water Company	Parker Dam	459	Not sampled	0
Groom Creek Water Users	Groom Creek	458	Not sampled	0
Gw Ocotillo Water - Valley View Acres	Ryan Field	458	Not sampled	0
Bowie Wid	Bowie	453	Not sampled	2
Graham County Utilities - Fort Thomas	Pima	452	Not sampled	1
Campbell Estates MHP	Tucson	450	Not sampled	0
Highland Pine Dwid	Prescott	450	Not sampled	0
Laguna Mobile Home and Rv Park	Yuma	450	Not sampled	4
Maricopa Mountain Dwid 1	Stanfield	450	Not sampled	34
Oak Creek Valley	Cornville	450	Not sampled	1
Thim Utility Company 2	Tucson	445	Not sampled	0
Q Mountain Vista MHP	Quartzsite	440	Not sampled	0
Town of Jerome	Jerome	440	Not sampled	0
Montezuma Rimrock Water Company	Rimrock	439	Not sampled	0
Country Club Acres Water Inc	Wickenburg	431	Not sampled	2
Grand Canyon Junction Hydro	Valle	430	Not sampled	0
Roosevelt Ranch Rv & MHP	Globe	430	Not sampled	0
Shepard Water Company	Martinez Lake	430	Not sampled	16
Town & Country - Preston	Nogales	430	Not sampled	2
Epcor - Parker Dam	Parker	429	Not sampled	9
Park Water Company Inc	Florence	427	Not sampled	4
Clay Springs Dwid	Clay Springs	425	Not sampled	0
Cactus Country Rv Resort	Tucson	420	Not sampled	1
Gw - Bwc, Inc - Buckeye Ranch	Tonopah	418	Not sampled	0
Katherine Heights	Bullhead City	415	Not sampled	3
Ajo Dwid	Ajo	405	Not sampled	0
Valle Escondido	Maricopa	405	Not sampled	7
Cs El Prado Water Company	Yuma	404	Not sampled	34
Payson Water - Whispering Pines	Payson	403	Not sampled	0
Cs Winchester Water Company	Willcox	402	Not sampled	2
Fishers Landing Resort	Yuma	402	Not sampled	7
Eden Water Company Inc	Safford	400	Not sampled	1
Hidden Hollow Mhc	Flagstaff	400	Not sampled	1
Michigan Trailer Park	Phoenix	400	Not sampled	0
Mobile Gardens Dwid	Wittmann	400	Not sampled	1
Mountain Gate Estates MHP	Globe	400	Not sampled	0
Picacho Peak Rv Resort	Red Rock	400	Not sampled	1
Pine Valley Water Company	Oak Creek Canyon	400	Not sampled	1
Saguaro View Mgmt Company	Surprise	400	Not sampled	0
Why Dwid	Why	400	Not sampled	11
Whetstone Ranch Water System	Benson	398	Not sampled	1
Gw Farmers Water Co - Sahuarita	Green Valley	396	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 CDC. 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 CDC’s yearly averages.

301 to 400 of 750, by people served

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