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 |
|---|---|---|---|---|
| Monmouth County Park System | Howell, NJ | 2,021 | 36 | - |
| Ortonville | Ortonville, MN | 2,021 | 38 | Clean |
| Belleville, City Of | Belleville, KS | 2,021 | 40 | - |
| Warner | Warner, OK | 2,020 | 546 | - |
| Little Bighorn Battlefield NM | Crow Agency, MT | 2,020 | 42 | - |
| Hoyt Lakes | Hoyt Lakes, MN | 2,020 | 13 | - |
| Kalkaska, Village Of | Kalkaska, MI | 2,020 | 10 | - |
| Towaoc Water System | Towoac, 08 | 2,020 | 98 | - |
| Redgranite Waterworks | Redgranite, WI | 2,019 | 20 | - |
| Arenas | Guanica, PR | 2,019 | 109 | - |
| Parkersburg Water Supply | Parkersburg, IA | 2,019 | 8 | - |
| Birome WSC | Mount Calm, TX | 2,018 | 326 | - |
| Mountain Lake | Mountain Lake, MN | 2,018 | 10 | - |
| Lake Odessa | Lake Odessa, MI | 2,018 | 38 | - |
| Crowley 1 Acre Sky Corp Water | Austin, TX | 2,016 | 10 | - |
| Eastman Chemical Company Texas Operation | Longview, TX | 2,016 | 34 | - |
| Harris County MUD 61 | Houston, TX | 2,016 | 19 | Clean |
| Town of Gueydan Water System | Gueydan, LA | 2,016 | 79 | - |
| Yavapai Apache - Cliff Castle | Camp Verde, 09 | 2,016 | 52 | Clean |
| Pilot Travel Center 1205 | Knoxville, TX | 2,015 | 36 | - |
| Wawa Store #388 | Wawa, NJ | 2,015 | 6 | - |
| Clay County Water Inc | Flora, IL | 2,015 | 22 | - |
| San Antonio Water Dept-City Of | San Antonio, FL | 2,015 | 36 | - |
| Ocala Palms (Consec.) | Ocala, FL | 2,015 | 14 | - |
| Navajo State Park | Arboles, CO | 2,015 | 44 | - |
| Redding Rancheria | Redding, 09 | 2,015 | 137 | - |
| City of Huntington | Huntington, TX | 2,014 | 427 | - |
| Mad River Mountain | Zanesfield, OH | 2,014 | 59 | - |
| Sweetwater NTUA | Ft Defiance, NN | 2,014 | 156 | - |
| New Lisbon Development Ctr | New Lisbon, NJ | 2,014 | 971 | - |
| Wickes Waterworks | Wickes, AR | 2,014 | 33 | - |
| Grand Oaks MUD | Houston, TX | 2,013 | 19 | - |
| Aldine Isd Mattie a Teague Middle School | Houston, TX | 2,013 | 117 | - |
| Paxton Water Corporation | Paxton, IN | 2,013 | 67 | - |
| South Coast Conservancy District | North Judson, IN | 2,013 | 9 | - |
| Greenville | Greenville, GA | 2,013 | 43 | - |
| Mwcd-Tappan Lake Park | New Philadelphia, OH | 2,012 | 63 | - |
| Wawa #322 | Wawa, NJ | 2,012 | 7 | - |
| Mirasol Subdivision | Hilsboro, MO | 2,012 | 8 | - |
| Rockdale | Rockdale, IL | 2,012 | 341 | - |
| Adams Township | South Range, MI | 2,010 | 7 | - |
| Mechanic Falls Water Dept | Mechanic Falls, ME | 2,010 | 17 | - |
| La Salle Town Of | Lasalle, CO | 2,010 | 71 | - |
| Cabazon Water District | Cabazon, CA | 2,010 | 59 | - |
| Kinsey Water System | Kinsey, AL | 2,010 | 8 | - |
| Ranburne Water & Sewer Department | Ranburne, AL | 2,010 | 56 | - |
| Speculator V | Speculator, NY | 2,008 | 14 | - |
| Mdot - Northfield Church, R814 | Jackson, MI | 2,008 | 2 | - |
| Sumter Correctional Institution | Tallahassee, FL | 2,008 | 80 | - |
| City of Blossom | Blossom, TX | 2,007 | 95 | - |