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 |
| August Hills MHP | Gilbert, AZ | 41 | 183 | - |
| Old Concho Water Users | Concho, AZ | 40 | 428 | Clean |
| Pine Ridge Estates | Alpine, AZ | 40 | 180 | - |
| Southwestern Research Station | Portal, AZ | 40 | 246 | - |
| Portal Store | Portal, AZ | 40 | 23 | - |
| Rockhouse River Ranch LLC | Queen Creek, AZ | 40 | 57 | - |
| Creekside Restaurant | Phoenix, AZ | 40 | 11 | - |
| Strawberry Hollow Dwid | Pine, AZ | 40 | 31 | - |
| Greenback Crossing RV Park & Storage | Phoenix, AZ | 40 | 27 | - |
| Hannagan Meadows Lodge | Alpine, AZ | 40 | 92 | - |
| Desert Oasis RV Park | Tempe, AZ | 40 | 62 | - |
| McPrd - Lake Pleasant North End | Morristown, AZ | 40 | 8 | - |
| Northwest Regional Deer Valley Landfill | Surpise, AZ | 40 | 11 | - |
| Ez Livin RV Park | Littlefield, AZ | 40 | 179 | - |
| 67 Ave Property Owners Association | Phoenix, AZ | 40 | 89 | - |
| Last Stop | Las Vegas, AZ | 40 | 78 | - |
| Davis Ranch Land Owners | Marana, AZ | 40 | 57 | - |
| Youth Haven Ranches | Eloy, AZ | 40 | 88 | - |
| Awc - Coolidge City of Municipal Airport | Phoenix, AZ | 40 | 26 | - |
| Breezy Pines WC Upper | Dewey, AZ | 40 | 107 | - |
| Butterfield Village | Huntington Beach, AZ | 40 | 44 | - |
| First Steps Child Care | Cottonwood, AZ | 40 | 126 | - |
| Ranch Plaza | Chino Valley, AZ | 40 | 40 | - |
| Usfs Conf Clear Creek Campground | Flagstaff, AZ | 40 | 55 | - |
| Eden RV Park | Salome, AZ | 40 | 2 | - |
| Elkhorn Ranch | Tucson, AZ | 40 | 16 | - |
| Show Low Crossroads HOA | Vernon, AZ | 38 | 140 | - |
| Breezeway Trailer Park | Kearny, AZ | 38 | 321 | - |
| Loba Estates Water | Prescott, AZ | 38 | 11 | - |
| Sentinel Holdings LLC | El Cajon, AZ | 37 | 18 | - |
| American Indian Christian Mission | Show Low, AZ | 37 | 111 | - |
| Gw Santa Cruz Water - Cp Water Co | Maricopa, AZ | 37 | 13 | - |
| Five Oaks Water Owners | Sedona, AZ | 36 | 15 | - |
| Briar Patch Resort | Sedona, AZ | 36 | 71 | - |
| Creekside Homes | Sedona, AZ | 36 | 51 | - |
| Rim Country Estates MHP | Scottsdale, AZ | 36 | 11 | - |
| Mountain Glen Water Service - Falcon | Glendale, AZ | 36 | 68 | - |
| Saguaro Mobile Home Park | Kearny, AZ | 36 | 355 | - |
| Pinyon Plain Mine | Lakewood, AZ | 35 | 3 | - |
| Jakes Corner Water System | Payson, AZ | 35 | 110 | - |
| H a V Properties, LLC | Globe, AZ | 35 | 178 | - |
| Butterfield Station Waste Management | Phoenix, AZ | 35 | 2 | - |
| McPrd - Hassayampa River Preserve | Morristown, AZ | 35 | 31 | - |
| Beaver Dam Filling Station | Littlefield, AZ | 35 | 300 | - |
| Prairie Partners LLC | Tempe, AZ | 35 | 69 | - |
| Adot Wikieup Mc | Phoenix, AZ | 35 | 19 | - |
| Tri State Petroleum | Mohave Valley, AZ | 35 | 37 | - |
| Hitda Training Center | Tucson, AZ | 35 | 25 | - |
| Garigans Gulch Water Coop | Vail, AZ | 35 | 16 | - |
| Gw Santa Cruz Water Co - Picacho Cove | Maricopa, AZ | 35 | 2 | - |