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 |
|---|---|---|---|---|
| Strickland Mutual Water Company | Oxnard, CA | 429 | 78 | - |
| Epcor - Parker Dam | El Mirage, AZ | 429 | 420 | - |
| Pownal Elementary School | Pownal, VT | 428 | 312 | - |
| Bluefield Valley | True, VA | 428 | 0 | - |
| Avion WC - Whychus Creek | Bend, OR | 428 | 45 | - |
| Meadowbrook Park Campground 2 | Bascom, OH | 428 | 13 | - |
| Castle Nursing Homes, Inc PWS | Millersburg, OH | 428 | 236 | - |
| Little Strength Christian | Westville, OH | 428 | 7 | - |
| Lewis WD | Lewis, NY | 428 | 50 | - |
| Old Turnpike School | Califon, NJ | 428 | 14 | - |
| W Stewartstown Water Pct | West Stewartstown, NH | 428 | 81 | - |
| Edgar, City Of | Edgar, NE | 428 | 445 | - |
| Cameron Community Water System, Inc | Canton, MS | 428 | 549 | - |
| Bell City PWS | Bell City, MO | 428 | 11 | - |
| Montgomery Co RWD 2C B | South Coffeyville, KS | 428 | 45 | - |
| Doniphan Co RWD 6 | Troy, KS | 428 | 17 | - |
| Gem State - Bitterroot Water Company | Coeur D'alene, ID | 428 | 22 | - |
| Newington | Newington, GA | 428 | 57 | - |
| Whispering Pines MHP | Kissimmee, FL | 428 | 52 | - |
| Town of Glen St. Mary | Glen St. Mary, FL | 428 | 57 | - |
| Farmingville Elementary School | Ridgefield, CT | 428 | 0 | - |
| Columbine Lake WSD | Grand Lake, CO | 428 | 48 | - |
| Holmwood Angelina & Neches River Authori | Lufkin, TX | 427 | 9 | - |
| Fogarty Memorial School | Chepachet, RI | 427 | 45 | - |
| Organizacion Com. Ajies (Occa) | Anasco, PR | 427 | 29 | - |
| Camp Robin Hood Kitchen | Freedom, NH | 427 | 44 | - |
| Leeds City Of | Leeds, ND | 427 | 33 | - |
| Fountain, Town Of | Fountain, NC | 427 | 51 | - |
| Mill Ridge POA | Banner Elk, NC | 427 | 78 | - |
| Assaria, City Of | Assaria, KS | 427 | 14 | - |
| Neponset | Neponset, IL | 427 | 1,195 | - |
| Lds Williams Ward Church | Montpelier, ID | 427 | 14 | - |
| Bussey Water Supply | Oskaloosa, IA | 427 | 104 | - |
| Leslie | Leslie, GA | 427 | 77 | - |
| Eglin Afb Duke Field 3 | Eglin Afb, FL | 427 | 29 | - |
| Sonoma County CSA 41-Salmon Creek | Santa Rosa, CA | 427 | 15 | - |
| Tomales High School | Tomales, CA | 427 | 7 | - |
| Msbsd Snowshoe Elementary | Wasilla, AK | 427 | 125 | - |
| Mill Valley School | Muskego, WI | 426 | 25 | - |
| Linkwood Estates Subdivision | Austin, TX | 426 | 32 | - |
| Montgomery County Fwsd 6 | Willis, TX | 426 | 44 | - |
| Midfield WSC | Midfield, TX | 426 | 42 | - |
| Cvws Site 1 | Karnack, TX | 426 | 148 | - |
| Harris County MUD 438 | Houston, TX | 426 | 0 | - |
| City of Evant | Evant, TX | 426 | 113 | - |
| Peters Elementary School | Slatington, PA | 426 | 238 | - |
| Woods County RWD # 1 | Capron, OK | 426 | 154 | - |
| Jonathan Alder Junior High School | Plain City, OH | 426 | 240 | - |
| Sugar Grove Village PWS | Sugar Grove, OH | 426 | 214 | - |
| High Falls Water District | Cottekill, NY | 426 | 19 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).