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 |
|---|---|---|---|---|
| Grizzly Lake Csd-Delleker | Portola, CA | 1,314 | 103 | - |
| Sutherland, Village Of | Sutherland, NE | 1,313 | 24 | - |
| Brooklyn | Brooklyn, MI | 1,313 | 12 | - |
| Stevenson University | Stevenson, MD | 1,313 | 68 | - |
| Rural North Vacaville Water District | Vacaville, CA | 1,313 | 0 | - |
| Spring Hope, Town Of | Spring Hope, NC | 1,312 | 98 | - |
| Jeff Davis W/a Inc | Water Valley, MS | 1,312 | 24 | - |
| Bridlewood Estates Water System | Magnolia, TX | 1,311 | 25 | - |
| Atwood Water System | Atwood, TN | 1,311 | 20 | - |
| Walnut | Walnut, IL | 1,311 | 31 | - |
| City of Palm Valley | Palm Valley, TX | 1,310 | 33 | - |
| Salem Regional Medical Center | Salem, OH | 1,310 | 0 | - |
| Canyon Gid | Sparks, NV | 1,310 | 53 | - |
| Litchfield | Litchfield, MI | 1,310 | 23 | - |
| Lyon Co RWD 5 | Emporia, KS | 1,310 | 19 | - |
| Taylor Coastal Water ; Sewer District | Perry, FL | 1,310 | 40 | - |
| Fanning Springs WS | Fanning Springs, FL | 1,310 | 74 | - |
| St. Johns Landing Apartments | Atlanta, FL | 1,310 | 38 | - |
| Mission Springs Conference Center | Scotts Valley, CA | 1,310 | 35 | - |
| Ctuir Pwd Mission | Pendleton, 10 | 1,310 | 644 | - |
| Um Capital Region Medical Center | Largo, MD | 1,309 | 0 | - |
| Loyal Waterworks | Loyal, WI | 1,308 | 39 | - |
| Freeman Ranch | Magnolia, TX | 1,308 | 218 | - |
| Stoneville, Town Of | Stoneville, NC | 1,308 | 131 | - |
| Randolph Water System | Randolph, AL | 1,308 | 0 | - |
| Fullerton, City Of | Fullerton, NE | 1,307 | 54 | - |
| Houston County-Haynesville | Warner Robins, GA | 1,307 | 4 | - |
| Jackson Correctional Institution | Tallahassee, FL | 1,307 | 13 | - |
| McGraw Village | McGraw, NY | 1,306 | 7 | - |
| Albert Lea Information Center MNDOT | St. Paul, MN | 1,306 | 47 | - |
| Sugar Grove Church, Inc. | Goshen, IN | 1,306 | 27 | - |
| Milford | Milford, IL | 1,306 | 83 | - |
| Dike Water Supply | Dike, IA | 1,306 | 19 | - |
| Cape Carancahua WSC | Palacios, TX | 1,305 | 47 | - |
| Alto Rural WSC Central High Plant | Alto, TX | 1,305 | 98 | Clean |
| Clearfork Utility District | Clairfield, TN | 1,305 | 87 | - |
| Little Gasparilla Water Utility Inc | Placida, FL | 1,305 | 51 | - |
| Midway City Mutual WC | Westminster, CA | 1,305 | 32 | - |
| Marvell Rural Water Assoc | Marvell, AR | 1,305 | 72 | - |
| Carrollton, Town Of | Carrollton, AL | 1,305 | 7 | - |
| Harrah Water System | Harrah, WA | 1,304 | 27 | - |
| Lord AZ Water 2 - Winchester Trails | Tucson, AZ | 1,304 | 148 | - |
| El Japones | San German, PR | 1,303 | 39 | - |
| Tivoli Village Water | Tivoli, NY | 1,303 | 16 | - |
| Grassy Pond Water Corporation | Gaffney, NC | 1,303 | 23 | Detected |
| Ness City, City Of | Ness City, KS | 1,303 | 21 | - |
| Grays Harbor Co Water Dist 1 | Raymond, WA | 1,302 | 294 | - |
| Kennecott - Section 21 | Bountiful, UT | 1,302 | 84 | - |
| City of Hawkins | Hawkins, TX | 1,302 | 53 | - |
| Cavalier City Of | Cavalier, ND | 1,302 | 18 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).