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 |
|---|---|---|---|---|
| Newark Valley Village | Newark Valley, NY | 896 | 1 | - |
| Pikeville, Town Of | Pikeville, NC | 896 | 45 | - |
| Morgan | Morgan, MN | 896 | 8 | - |
| Franklin Grove | Franklin Grove, IL | 896 | 38 | - |
| Primghar Municipal Water Supply | Primghar, IA | 896 | 25 | - |
| Two Rivers Village | Edwards, CO | 896 | 143 | Clean |
| Elk Mound Waterworks | Elk Mound, WI | 895 | 11 | - |
| Lone Rock Waterworks | Lone Rock, WI | 895 | 52 | - |
| Solmar Water | Sequim, WA | 895 | 11 | - |
| Stoney Creek Village | Rockville, VA | 895 | 14 | - |
| Wessington Springs | Wessington Springs, SD | 895 | 16 | - |
| Oprd Tumalo State Park | Bend, OR | 895 | 24 | - |
| Greene County - Day | Beavercreek, OH | 895 | 42 | - |
| Camp Zichron Zvi Dovid | Brooklyn, NY | 895 | 20 | - |
| Bishop & Bishop (Well #2 | Whitehorse Station, NJ | 895 | 6 | - |
| Quality Dairy Company | Lansing, MI | 895 | 62 | - |
| Joshua Tree Np - Cottonwood Springs | Twentynine Palms, CA | 895 | 16 | - |
| Del Oro Water Co.-Lime Saddle Marina | Chico, CA | 895 | 2 | - |
| Marion | Marion, SD | 894 | 15 | - |
| Blair Public Works Authority | Blair, OK | 894 | 70 | - |
| Ponca, City Of | Ponca, NE | 894 | 29 | - |
| Grant | Grant, MI | 894 | 40 | - |
| Mutual Elementary School | Prince Frederick, MD | 894 | 8 | - |
| Villages of Bocage- Madisonville | Madisonville, LA | 894 | 18 | - |
| Belk Water System | Belk, AL | 894 | 10 | - |
| Tri County Clarksburg | Shinnston, WV | 893 | 88 | - |
| Duke N Duchess 247 PWS | Heath, OH | 893 | 48 | - |
| Midlands Village | Montrose, CO | 893 | 16 | - |
| Berkley Beach - Ebb Tide Beach | Hopewell, VA | 892 | 0 | - |
| Magnolia Isd J L Lyons Elem | Magnolia, TX | 892 | 25 | - |
| Hornsby Water Dept | Hornsby, TN | 892 | 12 | - |
| Lewis Run Borough | Lewis Run, PA | 892 | 397 | - |
| New Madison Village PWS | New Paris, OH | 892 | 61 | - |
| Oakridge Water District | Lagrangeville, NY | 892 | 102 | - |
| Otisville Correctional Facility | Otisville, NY | 892 | 84 | - |
| Lord Calvert Trailer Park | Lexington Park, MD | 892 | 45 | - |
| Oreana | Forsyth, IL | 892 | 20 | - |
| San Gabriel River Ranches | Austin, TX | 891 | 218 | - |
| Penn St Wilkes Barre Campus | University Park, PA | 891 | 104 | - |
| Chappell, City Of | Chappell, NE | 891 | 52 | - |
| Columbia Water System | Columbia, NC | 891 | 208 | - |
| Lisbon Water System | Lisbon, LA | 891 | 27 | - |
| Village of Estherwood Water System | Estherwood, LA | 891 | 45 | - |
| Preston | Preston, GA | 891 | 52 | - |
| South Midway City Mutual Water Co. | Huntington Beach, CA | 891 | 12 | - |
| Northwestern Elementary and Middle School | Maple, WI | 890 | 13 | - |
| Worth Ranch | Hurst, TX | 890 | 205 | - |
| Hospital Menonita | Aibonito, PR | 890 | 76 | - |
| Pvsd Middle School | Brodheadsville, PA | 890 | 24 | - |
| Northeast Bradford School Dist | Rome, PA | 890 | 410 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).