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 |
|---|---|---|---|---|
| Andover | Andover, IL | 565 | 314 | - |
| Valley Regional High School | Deep River, CT | 565 | 23 | - |
| Csp-Bothe-Napa Valley State Park | Napa, CA | 565 | 4 | - |
| Lake Forest Mutual W.C. | Susanville, CA | 565 | 22 | - |
| Juvenile Justice Campus | Fresno, CA | 565 | 4 | - |
| Rocky Knoll Health Care Fac | Sheboygan, WI | 564 | 218 | - |
| Pleasant Forest Subdivision | Pinehurst, TX | 564 | 22 | - |
| Matagorda County Wcid 2 | Sargent, TX | 564 | 231 | - |
| Rust Ranch Water Supply | Canyon Lake, TX | 564 | 59 | - |
| Ramona Public Works Authority | Ramona, OK | 564 | 162 | Clean |
| Keota PWA | Keota, OK | 564 | 278 | - |
| Bokchito | Bokchito, OK | 564 | 118 | - |
| Crestwood Hills C and R Association | Bellville, OH | 564 | 2 | - |
| Certified Gas Station #423 | Westborough, OH | 564 | 37 | - |
| Arcadia Village | Arcadia, OH | 564 | 101 | - |
| Delta Village - Fulton County | Delta, OH | 564 | 0 | - |
| Fleetwood Manor W D | Wappingers Falls, NY | 564 | 4 | - |
| Crest of Carolina Master | Cary, NC | 564 | 3 | - |
| Chestnut-Readhimer Water System | Saline, LA | 564 | 380 | - |
| Quonnipaug Hills - Main System | Branford, CT | 564 | 409 | - |
| Tabernash Meadows WSD | Tabernash, CO | 564 | 127 | - |
| AZ State Pks Patagonia Lake | Nogales, AZ | 564 | 31 | - |
| Leola Waterworks | Leola, AR | 564 | 20 | - |
| Bowser Water Assn | Monticello, AR | 564 | 40 | - |
| Stetsonville Waterworks | Stetsonville, WI | 563 | 66 | - |
| Meshoppen Borough Water Co | Meshoppen, PA | 563 | 1,079 | Clean |
| Oakland Borough Water Auth | Susquehanna, PA | 563 | 719 | - |
| Lake Sherman Village PWS | Navarre, OH | 563 | 252 | - |
| Corning, Village Of | Corning, OH | 563 | 80 | - |
| Journey Church | Glen, NH | 563 | 12 | - |
| Callaway, Village Of | Callaway, NE | 563 | 70 | - |
| Edgeley City Of | Edgeley, ND | 563 | 22 | - |
| Bailey, Town Of | Bailey, NC | 563 | 539 | - |
| MO American Smithton | Joplin, MO | 563 | 15 | - |
| Grand Ledge Pub Schls-Operations Bldg | Grand Ledge, MI | 563 | 28 | - |
| Jefferson Co RWD 15 | Grantville, KS | 563 | 264 | - |
| Southwestern IL Correctional Center | East St. Louis, IL | 563 | 0 | - |
| Schram City | Hillsboro, IL | 563 | 29 | - |
| Cullom | Cullom, IL | 563 | 43 | - |
| Chilco Service Area | Rathdrum, ID | 563 | 12 | - |
| Antoine Waterworks | Antoine, AR | 563 | 80 | - |
| Kelso-Rohwer Water Association | Rohwer, AR | 563 | 35 | - |
| Westside Water Assn | Vashion Island, WA | 562 | 65 | - |
| Kentuck Elementary School | Chatham, VA | 562 | 30 | - |
| Palisades Senior High School | Kintnersville, PA | 562 | 127 | - |
| Lyons Village | Lyons, OH | 562 | 220 | - |
| Clarksville Village PWS | Clarksville, OH | 562 | 30 | - |
| Windham Academy | Bedford, NH | 562 | 22 | - |
| McNair-Stampley W/a #3 | Fayette, MS | 562 | 34 | - |
| Cooper County PWSD 1 | Wooldridge, MO | 562 | 33 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).