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 |
|---|---|---|---|---|
| D P & R WSC | Rotan, TX | 699 | 249 | - |
| Wall | Wall, SD | 699 | 80 | Clean |
| Miller PWS | Miller, MO | 699 | 36 | - |
| Marble | Marble, MN | 699 | 31 | - |
| Rolling Acres | California, MD | 699 | 5 | - |
| Canton, City Of | Canton, KS | 699 | 103 | Clean |
| Cynthiana Water Works | Cynthiana, IN | 699 | 30 | - |
| Treasure Beach Campground System 4 | West Fenwick Island, DE | 699 | 5 | - |
| Pinto Valley Mine | Miami, AZ | 699 | 92 | - |
| Usda Fs - Asnf - Big Lake Rec Area II | Springerville, AZ | 699 | 65 | - |
| Montvale Water, Inc. | Montvale, VA | 698 | 108 | - |
| Armour | Armour, SD | 698 | 13 | - |
| Castlewood | Castlewood, SD | 698 | 151 | - |
| John Stark Reg High Sch | Henniker, NH | 698 | 25 | - |
| Elmwood, Village Of | Elmwood, NE | 698 | 21 | - |
| Wheaton PWS | Wheaton, MO | 698 | 66 | - |
| Phils One Stop #12 | Fort Wayne, IN | 698 | 47 | - |
| Com. Asomante | Las Piedras, PR | 697 | 15 | - |
| Ben Logan Elementary School | Belfontaine, OH | 697 | 10 | - |
| Morley PWS | Morley, MO | 697 | 90 | - |
| Stockton | Stockton, MN | 697 | 17 | - |
| Hillman, Village Of | Hillman, MI | 697 | 77 | - |
| St Michaels Catholic Church | Mount Airy, MD | 697 | 6 | - |
| Pocahontas | Aviston, IL | 697 | 23 | - |
| Countryside-Cypress Crossing-Hazelwood | Savannah, GA | 697 | 7 | - |
| Marlboro College | Marlboro, VT | 696 | 617 | - |
| Oak Shores Water System | Cypress, TX | 696 | 127 | - |
| Onion Creek Meadows | Austin, TX | 696 | 19 | - |
| White Rock WSC 3 West Lake Mexia | Mexia, TX | 696 | 37 | - |
| Live Oak Water System | Itasca, TX | 696 | 6 | - |
| Bastrop County Wcid 1 | McDade, TX | 696 | 68 | - |
| City of Christine | Christine, TX | 696 | 73 | - |
| Jones McGinty Water System | Bonita, LA | 696 | 738 | - |
| Oneida | Oneida, IL | 696 | 46 | - |
| Jay Mar Villas | Wimauma, FL | 696 | 88 | - |
| Oak Park | Shelton, WA | 695 | 61 | - |
| Mutton Hollow Improvement District | Kaysville, UT | 695 | 64 | - |
| First U.d. of Hawkins Co #2 | Church Hill, TN | 695 | 37 | - |
| Mowrey Elem Sch | Waynesboro, PA | 695 | 707 | - |
| Hume Water District | Fillmore, NY | 695 | 76 | - |
| Alto de las Flores Mdwca | Anthony, NM | 695 | 24 | - |
| Caldwell County PWSD 2 | Kidder, MO | 695 | 134 | - |
| Clarks Grove | Clarks Grove, MN | 695 | 0 | - |
| Merrill, Village Of | Merrill, MI | 695 | 38 | - |
| Hermit Island Cg #1 | Bath, ME | 695 | 16 | - |
| Chapel Hill Christian Church | Kokomo, IN | 695 | 39 | - |
| Scottville Rural Water Company, Inc. | Palmyra, IL | 695 | 139 | - |
| Fort Jones, Town Of | Fort Jones, CA | 695 | 25 | - |
| Garfield Water Department | WA | 694 | 34 | - |
| South Kingstown-Middlebridge | Wakefield, RI | 694 | 38 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).