Public Water Systems
1,493 active public water systems in AZ, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Ruth Fisher School | Tonopah, AZ | 1,800 | 100 | - |
| Arizona Water Co - Tierra Grande | Phoenix, AZ | 1,796 | 23 | - |
| Awc - Valley Vista | Phoenix, AZ | 1,776 | 52 | - |
| Epcor - Lakeside | El Mirage, AZ | 1,775 | 373 | - |
| Cs Harrisburg Utility Company | Des Peres, AZ | 1,759 | 143 | - |
| Town of Huachuca City | Tucson, AZ | 1,750 | 220 | - |
| Forest Lakes Water Improvement District | Forest Lakes, AZ | 1,746 | 111 | - |
| Petrified Forest Np | Petrified Forest, AZ | 1,742 | 54 | - |
| Utility Source LLC | Queen Creek, AZ | 1,710 | 113 | - |
| Hydro Resources-Tusayan | Grand Canyon, AZ | 1,710 | 306 | - |
| Jbs Tolleson | Tolleson, AZ | 1,700 | 175 | - |
| Vail School District - Elementary School | Vail, AZ | 1,680 | 77 | - |
| Morenci Water Elec Co Clifton | Morenci, AZ | 1,678 | 189 | - |
| Forest Highlands Water Company | Flagstaff, AZ | 1,668 | 83 | - |
| Freeport McMoran Safford | Safford, AZ | 1,619 | 7 | - |
| Southland Utilities - Golden Acres | Tucson, AZ | 1,614 | 211 | - |
| Travel Centers of America | Tonopah, AZ | 1,600 | 93 | - |
| Southern Sunrise WC Cochise Horseshoe | Sierra Vista, AZ | 1,588 | 272 | - |
| Ponderosa Utility Corp | Flagstaff, AZ | 1,585 | 134 | - |
| Lagoon Estates WC Unit 7 | Mohave Valley, AZ | 1,578 | 221 | - |
| Cedar Grove Water Company | Tucson, AZ | 1,564 | 196 | - |
| Tombstone City Of | Tombstone, AZ | 1,545 | 744 | - |
| Oak Creek Water District | Sedona, AZ | 1,507 | 431 | - |
| AZ State Parks Slide Rock | Phoenix, AZ | 1,500 | 93 | - |
| Brophy College Preparatory | Phoenix, AZ | 1,500 | 73 | - |
| Federal Correction Institution | Phoenix, AZ | 1,500 | 400 | - |
| Joshua Valley Utility Company | San Francisco, AZ | 1,500 | 230 | - |
| Sunrise Vista Utilities | Williams, AZ | 1,500 | 68 | - |
| Howard Cantonment Area | Yuma, AZ | 1,500 | 164 | - |
| Cottonwood Municipal Water Vv3 | Cottonwood, AZ | 1,458 | 295 | - |
| Saguaro National Park | Tucson, AZ | 1,440 | 34 | - |
| Bearizona | Williams, AZ | 1,423 | 45 | - |
| Mayer Dwid | Chino Valley, AZ | 1,400 | 330 | - |
| Mescal Lakes Water System | Glendale, AZ | 1,390 | 160 | - |
| Berneil Water Company | Tempe, AZ | 1,388 | 262 | - |
| Clear Springs Utility Main | Glendale, AZ | 1,385 | 57 | - |
| Vwc Buckeye Division Sun Valley | Buckeye, AZ | 1,378 | 94 | - |
| Fredonia Town Of | Fredonia, AZ | 1,327 | 415 | - |
| Lord AZ Water 2 - Winchester Trails | Tucson, AZ | 1,304 | 148 | - |
| Katherine Landing Dwtp | Boulder City, AZ | 1,300 | 943 | - |
| Salpointe Catholic High School | Tucson, AZ | 1,300 | 92 | - |
| Epcor - Moovalya Keys | El Mirage, AZ | 1,298 | 340 | - |
| Cameron Trading Post | Cameron, AZ | 1,270 | 320 | - |
| Centennial Park Dwid | Colorado City, AZ | 1,267 | 309 | - |
| St David Dwid | Saint David, AZ | 1,255 | 79 | - |
| White Mountain Summer Homes Dwid | Pinetop, AZ | 1,233 | 248 | - |
| Cs Q Mountain Water Company | Des Peres, AZ | 1,224 | 154 | - |
| West End Water Company - Wittman | Peoria, AZ | 1,200 | 77 | - |
| Queen Valley Dwid | Queen Valley, AZ | 1,200 | 182 | - |
| Mingus Union High School | Cottonwood, AZ | 1,200 | 452 | - |