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 |
|---|---|---|---|---|
| Scprt-Table Rock Sp (3970607) | Columbia, SC | 455 | 13 | - |
| Bgwc Heatherwood-Blue Ridge (Sc3250015) | Florence, SC | 455 | 1 | - |
| Everett Area Sch Dist | Everett, PA | 455 | 532 | - |
| Dutchs Market | Greentown, PA | 455 | 8 | - |
| Grady Co RWD #2 | Amber, OK | 455 | 524 | - |
| The Pit Stop PWS | Marysville, OH | 455 | 15 | - |
| Circle K 5277 PWS | Akron, OH | 455 | 32 | - |
| Rough Rock NTUA | Ft Defiance, NN | 455 | 44 | - |
| Harrisonville School | Harrisonville, NJ | 455 | 20 | - |
| Sunoco Service Station | Fairton, NJ | 455 | 11 | - |
| Greater Ramsey WD - Carrington | Devils Lake, ND | 455 | 7 | - |
| Chesapeake Pointe Master System | Cary, NC | 455 | 3 | - |
| Ridgehaven S/D | Cary, NC | 455 | 29 | - |
| Graystone/Smokerise Water System | Cary, NC | 455 | 219 | - |
| Indian Springs Ranch Sub | Eureka, MT | 455 | 45 | - |
| Oxbow Elementary School/Hvs | Highland, MI | 455 | 18 | - |
| Alcona Community High School | Lincoln, MI | 455 | 80 | - |
| Dimondale Elementary School | Holt, MI | 455 | 141 | - |
| Pere Marquette Twp - Wells | Ludington, MI | 455 | 22 | - |
| St. Ignatius of Loyola Catholic Church | Ijamsville, MD | 455 | 0 | - |
| Town of Clear Spring | Williamsport, MD | 455 | 20 | - |
| Argonia, City Of | Argonia, KS | 455 | 499 | - |
| Clifton, City Of | Clifton, KS | 455 | 27 | - |
| Strong City, City Of | Strong City, KS | 455 | 13 | - |
| Oak Brook Estates | Cincinnati, IN | 455 | 71 | - |
| Mill Creek East Elementary School | Clayton, IN | 455 | 78 | - |
| Ewing Trace Mhc | Newton, IA | 455 | 8 | - |
| Table Mound Park | Cascasde, IA | 455 | 62 | - |
| Fat Willie's Fish Camp | Valrico, FL | 455 | 14 | - |
| Aquarion-Lakeside | Shelton, CT | 455 | 165 | - |
| Cloverdale Mutual Water Co. | Oxnard, CA | 455 | 8 | - |
| Buena Vista Migrant Center | Modesto, CA | 455 | 18 | - |
| Kiana Water System | Kiana, AK | 455 | 618 | - |
| Eastern Navajo Agency - BIE | Washington, 09 | 455 | 112 | - |
| Coloma Waterworks | Coloma, WI | 454 | 40 | - |
| Thunderbird Park | Monsey, WA | 454 | 94 | - |
| Clarendon Elementary School | Clarendon, VT | 454 | 13 | - |
| City of Oglesby | Oglesby, TX | 454 | 25 | - |
| Biery Cheese Company | Louisville, OH | 454 | 14 | - |
| Valley Mdwca | Fort Sumner, NM | 454 | 125 | - |
| Berthold City Of | Berthold, ND | 454 | 91 | - |
| Arkabutla Water Association | Coldwater, MS | 454 | 304 | - |
| Crown Plaza Resort Saipan | Saipan, MP | 454 | 20 | - |
| Discovery Charter School | Porter, IN | 454 | 4 | - |
| City-County Athletic Complex | Warsaw, IN | 454 | 92 | - |
| Dalton City | Dalton City, IL | 454 | 43 | - |
| Shady Dale | Shady Dale, GA | 454 | 240 | - |
| Tyrrell Middle School | Wolcott, CT | 454 | 107 | - |
| Primex Farms Water System | Wasco, CA | 454 | 9 | - |
| Hillcrest Water Company | Phoenix, AZ | 454 | 288 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).