Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Big Rock C.s.d. | Crescent City, CA | 650 | 48 | - |
| Cs Oak Creek Public Service LLC | Des Peres, AZ | 650 | 231 | - |
| Kingman Stopping Center | Valparaiso, AZ | 650 | 204 | - |
| Camp Lo Mia Lds Church | Salt Lake City, AZ | 650 | 63 | - |
| Usfs Conf Pine Flat Campground | Flagstaff, AZ | 650 | 54 | - |
| Ammunition Operations, LLC | Lonoke, AR | 650 | 27 | - |
| Houston Waterworks | Perryville, AR | 650 | 139 | - |
| Kpbsd Skyview Middle School | Soldotna, AK | 650 | 59 | - |
| Whittier Water System | Whittier, AK | 650 | 138 | - |
| Mayflower Tc | Anchorage, AK | 650 | 459 | - |
| Clearwater River Casino & Resort | Lewiston, 10 | 650 | 271 | - |
| Bear River - Tish Non Village | Loleta, 09 | 650 | 35 | - |
| Apache Burger Travel Center | San Carlos, 09 | 650 | 116 | - |
| Mesquite Creek | Needles, 09 | 650 | 127 | - |
| Arapahoe Industrial Park | Fort Washakie, 08 | 650 | 295 | - |
| Alexandria | Alexandria, SD | 649 | 20 | - |
| Brunson Town of (Sc2510004) | Hampton, SC | 649 | 12 | - |
| Carney | Carney, OK | 649 | 311 | - |
| St Helens Parish and School | Newbury, OH | 649 | 159 | - |
| Glen Allan Utility District | Glen Allan, MS | 649 | 273 | - |
| Sheridan | Sheridan, MI | 649 | 23 | - |
| The Coves WSC | Austin, TX | 648 | 10 | - |
| Denning WSC | San Augustine, TX | 648 | 30 | - |
| Shady Oaks Estates | Portland, TX | 648 | 154 | - |
| Oak Forest South Water Supply | Austin, TX | 648 | 7 | - |
| Fort Bend County Wcid 3 | Houston, TX | 648 | 6 | - |
| Pine Valley Central Schools | South Dayton, NY | 648 | 85 | - |
| Mt Olive Twp WD Pinecrest | Budd Lake, NJ | 648 | 261 | - |
| Nazarene Camp | Vicksburg, MI | 648 | 59 | Clean |
| Quitman Water System | Quitman, LA | 648 | 17 | - |
| Evangeline Parish Industrial Park W S | Ville Platte, LA | 648 | 65 | - |
| Ej Water-Niantic | Dieterich, IL | 648 | 58 | - |
| Vergennes | Vergennes, IL | 648 | 108 | - |
| Southridge Estate | Newton, IA | 648 | 8 | - |
| Dial Water System | Oxford, GA | 648 | 19 | - |
| Jasper Waterworks | Jasper, AR | 648 | 148 | - |
| Vistaire Water System | Clinton, WA | 647 | 978 | - |
| Buena Vista WSC | Timpson, TX | 647 | 59 | - |
| Toot N Totum 24 | Amarillo, TX | 647 | 0 | - |
| Bay Capital Water Works (Sc4050031) | Columbia, SC | 647 | 0 | - |
| New Holland Elementary School | New Holland, PA | 647 | 67 | - |
| Rittenhouse Place | Chappaqua, PA | 647 | 2,136 | - |
| Faith Christian Academy | Quakertown, PA | 647 | 54 | - |
| Stonegate Mobile Home Community | Lansing, MI | 647 | 2 | - |
| Berkley Community School | Berkley, MA | 647 | 43 | - |
| Deer Creek | Deer Creek, IL | 647 | 87 | - |
| Coffeen | Aviston, IL | 647 | 158 | - |
| Orange Hill - Sugar Creek | Longwood, FL | 647 | 25 | - |
| Pinnacles National Park Campground | Paicines, CA | 647 | 0 | - |
| Andrade Border Station | Calexico, 09 | 647 | 216 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).