Arizona utilities 401 to 500.
Each serves 197 to 395 people, as it reports to EPA. Your ZIP code finds yours faster.
401 to 500 of 750, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| Cs Holiday Water Company | Tombstone | 395 | Not sampled | 1 |
| Arizona Water Co - Winkelman | Winkelman | 393 | Not sampled | 0 |
| Sky Hi Dwid | Pinetop | 390 | Not sampled | 2 |
| Diamond Grove Mobile Home Estates | Tucson | 385 | Not sampled | 0 |
| Gw Farmers Water Co - Sahuarita Highland | Sahuarita | 384 | Not sampled | 1 |
| Granite Mountain Water Company | Prescott | 381 | Not sampled | 0 |
| Krazy K Rv Park | Camp Verde | 380 | Not sampled | 9 |
| Wonderland Acres Dwid | Lakeside | 380 | Not sampled | 3 |
| Pinedale Dwid | Pinedale | 376 | Not sampled | 3 |
| Payson Water - East Verde Estates | Payson | 375 | Not sampled | 10 |
| Silverbell Irrigation & Drainage Dist | Eloy | 375 | Not sampled | 2 |
| Skyline Resort Rv Park | Magma | 375 | Not sampled | 5 |
| Wenden Dwid | Wenden | 360 | Not sampled | 14 |
| Lazy C Water Service | Tucson | 359 | Not sampled | 0 |
| Cs Loma Linda Water Company | Clifton | 351 | Not sampled | 2 |
| Chloride Dwid | Chloride | 350 | Not sampled | 0 |
| Cs Flagstaff Ranch Water Company | Flagstaff | 350 | Not sampled | 6 |
| Federal Correctional Inst | Tucson | 350 | Not sampled | 3 |
| Sanders School District | Sanders | 350 | Not sampled | 7 |
| Timberline MHP | Show Low | 350 | Not sampled | 1 |
| Tonto Hills Dwid | Tonto Hills | 350 | Not sampled | 0 |
| Shangri la Ranch | New River | 345 | Not sampled | 17 |
| Bella Capri MHP | Tucson | 342 | Not sampled | 1 |
| Cs White Hills Water Company Unit 1 | White Hills | 338 | Not sampled | 12 |
| Cs White Hills Water Company Units 3 4 6 | White Hills | 333 | Not sampled | 1 |
| Sierra Vista Mh Village | Sierra Vista | 328 | Not sampled | 1 |
| Porter Mountain Dwid | Lakeside | 322 | Not sampled | 1 |
| Buckskin Artists Community | Heber | 320 | Not sampled | 1 |
| Dateland Public Service Co | Dateland | 319 | Not sampled | 2 |
| Northern Sunrise WC Mustang Crystal | Sierra Vista | 315 | Not sampled | 0 |
| San Simon Dwid | San Simon | 312 | Not sampled | 42 |
| Ash Creek Water Company | Pima | 310 | Not sampled | 0 |
| Thim Utility Company | Three Points | 310 | Not sampled | 0 |
| Shiloh Water Company | Sahuarita | 309 | Not sampled | 0 |
| Lamplighter Rv Resort | Star Valley | 308 | Not sampled | 0 |
| Payson Water - Deer Creek | Payson | 308 | Not sampled | 0 |
| Los Arboles Mobile Home Park | Sahuarita | 303 | Not sampled | 0 |
| Gw - Bwc, Inc. - Nswc | Scottsdale | 301 | Not sampled | 0 |
| Buckeye Estates | Buckeye | 300 | Not sampled | 1 |
| Hacienda del Sol MHP | Luke AFB | 300 | Not sampled | 1 |
| Quail Run Water System | Globe | 300 | Not sampled | 1 |
| Valle Verde del Norte | Green Valley | 300 | Not sampled | 0 |
| Ventura Ranch Dwid | Prescott Valley | 300 | Not sampled | 1 |
| Mesaland Water Company | Tucson | 294 | Not sampled | 0 |
| White Horse Ranch Owners Association | Dewey | 292 | Not sampled | 37 |
| MT Lemmon Dwid | Mount Lemmon | 290 | Not sampled | 0 |
| Gw - Bwc, Inc - Eagletail | Harquahala Valley | 289 | Not sampled | 0 |
| Salome Water Company | Salome | 289 | Not sampled | 3 |
| Sun Valley Utilities | Sun Valley | 287 | Not sampled | 5 |
| Dragoon Water Company | Dragoon | 286 | Not sampled | 0 |
| Picacho Dwid | Picacho | 285 | Not sampled | 4 |
| Biasi Water Company | Beaver Dam | 284 | Not sampled | 0 |
| Bouse Dwid | Bouse | 284 | Not sampled | 22 |
| Villa Grande Dwid | Eloy | 283 | Not sampled | 30 |
| Ghr Landowners Assn Water Coop | White Hills | 280 | Not sampled | 7 |
| Silver Creek Rv Park | Bullhead City | 280 | Not sampled | 14 |
| Vwc Buckeye Div Bulfer Primrose | Buckeye | 280 | Not sampled | 0 |
| Verde Valley Manor | Cottonwood | 275 | Not sampled | 0 |
| Rio Viejo Water | Tucson | 272 | Not sampled | 0 |
| Cs Gardner Water Company | Payson | 266 | Not sampled | 3 |
| La Casita Water Company 2 | Tucson | 264 | Not sampled | 0 |
| Little Park Water Company | Oak Creek Canyon | 264 | Not sampled | 3 |
| Cs Water Company | Desert Hills | 258 | Not sampled | 16 |
| Far Horizons MHP | Tucson | 258 | Not sampled | 0 |
| Sierrita Mountain Water Coop | Tucson | 258 | Not sampled | 0 |
| Tierra Linda HOA Water Company | Tucson | 258 | Not sampled | 1 |
| Thim Utility Company - Well 9 | Three Points | 254 | Not sampled | 0 |
| La Cholla Airpark | Tucson | 250 | Not sampled | 0 |
| Mountain Dell Water Inc | Flagstaff | 250 | Not sampled | 1 |
| Painted Desert Demo Project Star School | Merrian Crater | 250 | Not sampled | 1 |
| Porter Creek Dwid | Lakeside | 250 | Not sampled | 1 |
| Sunset Mobile Home Park | Sedona | 250 | Not sampled | 2 |
| Yucca Water Association | Yucca | 250 | Not sampled | 2 |
| Thim Water Company 2 | Tucson | 247 | Not sampled | 0 |
| Coldwater Canyon 2 | Black Canyon City | 245 | Not sampled | 3 |
| Acme Water - Yavapai Estates | Chino Valley | 243 | Not sampled | 4 |
| Cs Mohawk Utility Company | Tacna | 243 | Not sampled | 19 |
| Navajo Water - Chaparral Pines | Linden | 237 | Not sampled | 1 |
| Gw Ocotillo Water - Silverbell West | Tucson | 231 | Not sampled | 0 |
| Oatman Water Company | Oatman | 230 | Not sampled | 1 |
| Sunland Water Company | Arizona City | 227 | Not sampled | 4 |
| Arizonian Rv Resort | Apache Junction | 225 | Not sampled | 4 |
| Ranchwood Community | Tucson | 225 | Not sampled | 0 |
| Camp Mohave | Bullhead City | 224 | Not sampled | 1 |
| Gw Saguaro Dist Water Co - Tala Way | Tucson | 221 | Not sampled | 0 |
| Crown King Water Company | Crown King | 220 | Not sampled | 7 |
| Desert Shores Rv MHP | Tucson | 220 | Not sampled | 2 |
| Vicksburg Farm | Vicksburg | 220 | Not sampled | 1 |
| Rio Vista Mobile Home Park | Tucson | 217 | Not sampled | 1 |
| Halcyon Acres Water Users Association | Tucson | 215 | Not sampled | 0 |
| Geronimo Estates | Payson | 212 | Not sampled | 0 |
| Cs West Village Water Company | Flagstaff | 210 | Not sampled | 1 |
| Gw Saguaro Dist Water Co - Rincon | Tucson | 209 | Not sampled | 17 |
| Pinedale Estates Dwid | Show Low | 208 | Not sampled | 31 |
| Crescent Manor MHP | Tucson | 200 | Not sampled | 0 |
| Rim Trail Dwid | Payson | 200 | Not sampled | 10 |
| Virgin Mountain Utilities Company | Beaver Dam | 200 | Not sampled | 1 |
| W Ranch Resort | Payson | 200 | Not sampled | 1 |
| Whispering Wind Mobile Home Park | Coolidge | 200 | Not sampled | 2 |
| Cibola Water Improvement District | Cibola | 197 | Not sampled | 33 |
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.
Where to go next
- Read your utility’s own reportIt has newer results than the yearly averages CDC carries here, which end in 2023, and contaminants these pages don’t show.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
- Filters, checkedEvery filter TapBuff has checked against a certifier’s listing, with five-year costs.Compare filters