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 |
|---|---|---|---|---|
| Groom Municipal Water System | Groom, TX | 548 | 16 | - |
| Wellesley Island Water Corp. | Liverpool, NY | 548 | 15 | - |
| San Pablo Mdwca | Las Cruces, NM | 548 | 8 | - |
| Hopewell Valley Golf Clu | Hopewell Twp, NJ | 548 | 36 | - |
| Powder Horn Mountain | Charlotte, NC | 548 | 325 | - |
| Republic Co RWD 1 | Courtland, KS | 548 | 59 | - |
| Mintonye Elementary School | Lafayette, IN | 548 | 8 | - |
| Mulberry Grove | Mulberry Grove, IL | 548 | 76 | - |
| Terrace Heights | Denver, IA | 548 | 32 | - |
| Mountain Park Cg | Fort Collins, CO | 548 | 26 | - |
| Calpella County Water District | Ukiah, CA | 548 | 11 | - |
| Grannis Waterworks | Grannis, AR | 548 | 2 | - |
| St. Marys Water System | Saint Marys, AK | 548 | 387 | - |
| Linden Waterworks | Linden, WI | 547 | 23 | - |
| Minnetonka Beach | Minnetonka Beach, MN | 547 | 6 | - |
| Bitney Springs Center Water System | Nevada City, CA | 547 | 32 | - |
| Walkerville Water Association | Emerson, AR | 547 | 91 | - |
| Badger Plaza | Fairbanks, AK | 547 | 54 | - |
| Kongiganak Water System | Kongiganak, AK | 547 | 2,150 | - |
| Old Chisolm Estates | Austin, TX | 546 | 63 | - |
| Lakeside MUD 5 | Austin, TX | 546 | 0 | - |
| Hidden Valley High | Grants Pass, OR | 546 | 7 | - |
| Gerbers Poultry, Inc. | Apple Creek, OH | 546 | 5 | - |
| Roper Water System | Roper, NC | 546 | 383 | - |
| Town of Arcola | Arcola, MS | 546 | 584 | - |
| Hartland Schools - Lakes Elementary | Brighton, MI | 546 | 6 | - |
| Winfield Elementary School | Crown Point, IN | 546 | 66 | - |
| Korbel Brothers Winery | Guerneville, CA | 546 | 8 | - |
| Goshen Water Works Dist System | Goshen, AL | 546 | 91 | - |
| East Big Lake Mall | Wasilla, AK | 546 | 79 | - |
| Blackbird Bend Casino | Onawa, 07 | 546 | 62 | - |
| Club Green Meadows | Vancouver, WA | 545 | 5 | - |
| Killington Mountain Lodge | Denver, VT | 545 | 54 | - |
| Whaleyville Water Wks | Suffolk, VA | 545 | 184 | - |
| City of San Diego Glossbrenner Unit | San Diego, TX | 545 | 41 | - |
| Pawc Fernwood | Bushkill, PA | 545 | 59 | - |
| Camp Belz | Brooklyn, NY | 545 | 86 | - |
| Earlville Village | Earlville, NY | 545 | 9 | - |
| Windham Mountain Village | Windham, NY | 545 | 110 | Clean |
| Mooers Elementary School | Champlain, NY | 545 | 77 | - |
| Navajo Dam Domestic Water Consumers Inc | Navajo Dam, NM | 545 | 355 | - |
| Park Place Master Assn | Camdenton, MO | 545 | 20 | Clean |
| Palmer Park Section a Shelter | Grand Rapids, MI | 545 | 0 | - |
| West Bonner Water Dist 1 | Old Town, ID | 545 | 88 | - |
| Anthon Municipal Water System | Anthon, IA | 545 | 47 | - |
| Waimano Ridge | Honolulu, HI | 545 | 27 | - |
| Golden State Water Company - Lake Marie | Rancho Cordova, CA | 545 | 0 | - |
| Llano del Rio Water Company | Llano, CA | 545 | 2 | - |
| Fuller Acres Mutual Water Company | Lamont, CA | 545 | 23 | - |
| Millwood Water Corporation | Ashdown, AR | 545 | 36 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).