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 |
|---|---|---|---|---|
| Williams City Of | Williams, AZ | 3,145 | 314 | - |
| Gw Ocotillo Water - Rancho del Sol Lindo | Maricopa, AZ | 3,128 | 39 | - |
| Desert Foothills | Bullhead City, AZ | 3,091 | 47 | - |
| Palo Verde Nuclear Generating Station | Tonopah, AZ | 3,000 | 40 | - |
| Wellton Town Of | Wellton, AZ | 3,000 | 929 | - |
| Tucson Medical Center | Tucson, AZ | 3,000 | 153 | - |
| Ua Tech Park - Rita Road | Tucson, AZ | 3,000 | 86 | Clean |
| McPrd - Lake Pleasant | Morristown, AZ | 2,950 | 16 | - |
| Cottonwood Municipal Water Vv2 | Cottonwood, AZ | 2,893 | 437 | - |
| Wickenburg Ranch Estates | Wickenburg, AZ | 2,877 | 36 | - |
| Quartzsite Town Of | Quartzsite, AZ | 2,761 | 165 | - |
| Chino Valley Town Of | Prescott Valley, AZ | 2,742 | 280 | - |
| Goodman Water Company | Tucson, AZ | 2,656 | 53 | - |
| Ajo Improvement Company | Ajo, AZ | 2,654 | 85 | - |
| Chandler Heights Citrus Irrigation Dist | Chandler Heights, AZ | 2,620 | 86 | - |
| Cs los Cerros Water Company Inc | Des Peres, AZ | 2,613 | 202 | - |
| Bisbee Douglas Intl Airport | Douglas, AZ | 2,600 | 172 | - |
| Foothills Utilities Kingman East | Yuma, AZ | 2,538 | 458 | - |
| Adot San Simon Rest Area | Phoenix, AZ | 2,500 | 62 | - |
| Montezuma Castle National Monument | Campe Verde, AZ | 2,500 | 25 | - |
| Blm Laposa Ltva | Yuma, AZ | 2,500 | 77 | - |
| Marana High School | Marana, AZ | 2,450 | 156 | - |
| Picacho Water Company | Sun Lakes, AZ | 2,440 | 70 | - |
| Black Canyon City Wid | Prescott, AZ | 2,437 | 218 | - |
| Chino Meadows II | Chino Valley, AZ | 2,350 | 154 | - |
| Valle Verde Water Company - East | Tucson, AZ | 2,331 | 469 | - |
| Mt Tipton Water Company | Dolan Springs, AZ | 2,257 | 338 | - |
| Ash Fork Water Service | Ash Fork, AZ | 2,250 | 120 | - |
| Thunderbird Farms Dwid | Maricopa, AZ | 2,231 | 484 | - |
| Epcor - Arizona Gateway | El Mirage, AZ | 2,215 | 18 | - |
| Cottonwood Municipal Water Vsf1 | Cottonwood, AZ | 2,194 | 85 | - |
| Bella Vista Water South | Sierra Vista, AZ | 2,178 | 425 | - |
| Clearwater Utility Company Inc | Buckeye, AZ | 2,175 | 307 | - |
| Arizona Water Co - Ajo | Phoenix, AZ | 2,100 | 13 | - |
| Epcor - Tubac | El Mirage, AZ | 2,076 | 138 | - |
| Diamond Valley Water District | Humboldt, AZ | 2,000 | 120 | - |
| Adot McGuireville Rest Area | Mesa, AZ | 2,000 | 62 | - |
| Marana Estes Elementary School | Marana, AZ | 2,000 | 139 | - |
| Voyager at White Mountain Lakes WC | Pinetop, AZ | 1,997 | 549 | - |
| East Slope Water Company | Glendale, AZ | 1,980 | 255 | - |
| Springerville Town Of | Springerville, AZ | 1,972 | 697 | - |
| Marana Dwid - Derringer | Marana, AZ | 1,950 | 287 | - |
| Kearny Town Of | Kearny, AZ | 1,950 | 158 | - |
| Abra Water Company | Paulden, AZ | 1,932 | 170 | - |
| Gila Bend Town Of | Gila Bend, AZ | 1,922 | 282 | - |
| Blue Ridge Dwid | Happy Jack, AZ | 1,920 | 98 | - |
| Congress Dwid | Congress, AZ | 1,870 | 88 | - |
| Joseph City Dwid | Joseph City, AZ | 1,811 | 318 | - |
| Camp Verde School Dist 28 | Camp Verde, AZ | 1,810 | 121 | - |
| Sheraton Phoenix Downtown | Phoenix, AZ | 1,804 | 44 | - |