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 |
|---|---|---|---|---|
| Snowflake Town Of | Snowflake, AZ | 5,590 | 144 | Clean |
| Metropolitan Dwid - Diablo Village | Tucson, AZ | 5,542 | 116 | Clean |
| Ponderosa Dwid | Pinetop, AZ | 5,375 | 508 | Detected |
| Benson, City of Water System | Benson, AZ | 5,355 | 253 | Clean |
| Epcor- Rio Verde | El Mirage, AZ | 5,330 | 141 | Clean |
| Holbrook City Of | Holbrook, AZ | 5,318 | 207 | Clean |
| Marana Municipal - Picture Rocks | Tucson, AZ | 5,278 | 117 | Detected |
| Marana Municipal - Hartman Vistas | Tucson, AZ | 5,248 | 42 | Detected |
| North Mohave Valley | Bullhead City, AZ | 5,190 | 144 | Detected |
| Town of Camp Verde Utilities | Camp Verde, AZ | 5,013 | 89 | Clean |
| Clarkdale Municipal Water System | Clarkdale, AZ | 4,920 | 114 | Clean |
| Epcor - Tierra del Rio | El Mirage, AZ | 4,868 | 3 | Clean |
| Epcor - Lake Havasu | El Mirage, AZ | 4,788 | 99 | Clean |
| Arizona Water Co - San Manuel | Phoenix, AZ | 4,748 | 38 | Clean |
| Eagar Town Of | Eagar, AZ | 4,590 | 230 | Detected |
| Marana Municipal - Airline Lambert | Tucson, AZ | 4,568 | 99 | - |
| Oro Valley Water Countryside | Oro Valley, AZ | 4,534 | 143 | Clean |
| Cottonwood Municipal Water Vv6 | Cottonwood, AZ | 4,509 | 590 | Clean |
| Phoenix International Raceway | Avondale, AZ | 4,500 | 66 | Detected |
| Adoc Tucson | Tucson, AZ | 4,500 | 567 | Clean |
| Ray Water Company Inc | Tucson, AZ | 4,495 | 151 | Clean |
| Glen Canyon Nra Wahweap | Page, AZ | 4,439 | 403 | Detected |
| Arizona Water Co - Superior | Phoenix, AZ | 4,393 | 158 | Clean |
| Aspc Lewis Complex Water System | Buckeye, AZ | 4,300 | 594 | Clean |
| Cordes Lakes Water Company | Litchfield Park, AZ | 4,257 | 107 | - |
| Metropolitan Dwid - Hub | Tucson, AZ | 4,252 | 157 | Clean |
| Desert Hills Water | Cave Creek, AZ | 4,220 | 125 | Clean |
| Aspc Yuma | Yuma, AZ | 4,197 | 441 | Clean |
| Town of Taylor | Taylor, AZ | 4,190 | 309 | - |
| Morenci Water Elec Co Main | Phoenix, AZ | 4,108 | 241 | Detected |
| Gw Farmers Water Co - Santa Rita Springs | Maricopa, AZ | 3,990 | 106 | Detected |
| Golden Shores Water Company | Williams, AZ | 3,970 | 360 | Clean |
| Adoc Eyman Unit | Phoenix, AZ | 3,969 | 865 | Clean |
| Golden Valley Improvement District | Kingman, AZ | 3,950 | 111 | Clean |
| Carefree Water Company | Carefree, AZ | 3,894 | 52 | Clean |
| Spanish Trail Water Company | Tucson, AZ | 3,822 | 228 | - |
| Gw Santa Cruz Water Co - Red Rock | Maricopa, AZ | 3,813 | 32 | - |
| Graham County Utilities - Pima | Pima, AZ | 3,799 | 152 | - |
| Gw Saguaro Dist Water Co - las Quintas | Maricopa, AZ | 3,720 | 204 | Clean |
| Arizona Water Co - Pinetop Lakes | Phoenix, AZ | 3,513 | 9 | Clean |
| St Johns City Of | Saint Johns, AZ | 3,500 | 263 | Clean |
| Kachina Village Dwid | Flagstaff, AZ | 3,500 | 216 | Clean |
| AZ State Prison - Geo Group - Kingman | Golden Valley, AZ | 3,500 | 357 | Clean |
| Arizona Water Co - Rimrock | Phoenix, AZ | 3,423 | 205 | Clean |
| Epcor - Willow Valley/King Street | El Mirage, AZ | 3,408 | 121 | Clean |
| Pinetop Water Community Facilities Dist | Pinetop, AZ | 3,250 | 430 | - |
| Saguaro Water Company | Tucson, AZ | 3,243 | 156 | - |
| City of Willcox | Willcox, AZ | 3,236 | 220 | Clean |
| Voyager Water Company | Tucson, AZ | 3,209 | 168 | Clean |
| Freeport McMoran Bagdad Town | Bagdad, AZ | 3,200 | 134 | - |