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 |
|---|---|---|---|---|
| Boonville, Town Of | Boonville, NC | 2,007 | 166 | - |
| Lake Ozark PWS | Lake Ozark, MO | 2,007 | 100 | - |
| Monroe Water Supply | Monroe, IA | 2,007 | 28 | - |
| Rendezvous (R) Park | Wilson, WY | 2,006 | 1 | - |
| City of Troup | Troup, TX | 2,006 | 35 | - |
| Woodville Village | Woodville, OH | 2,006 | 25 | - |
| Red Lodge Mtn Main Lodge | Red Lodge, MT | 2,006 | 28 | - |
| Hinckley | Hinckley, IL | 2,006 | 255 | - |
| Baca Grande WSD | Crestone, CO | 2,006 | 187 | - |
| Shasta CSA - Jones Valley, #6 | Redding, CA | 2,006 | 11 | - |
| Buttonwillow Tiger Mart | Buttonwillow, CA | 2,006 | 0 | - |
| Oprd Cape Lookout State Park | Tillamook, OR | 2,005 | 61 | - |
| Coalgate PWA | Coalgate, OK | 2,005 | 392 | - |
| Caseville Township | Caseville, MI | 2,005 | 2 | - |
| Kimberly Hills MHP | Lakewood, CO | 2,005 | 49 | - |
| Little America Hotels & Resorts, Inc- WY | Little America, WY | 2,004 | 108 | - |
| Sigourney Muni Water Works | Sigourney, IA | 2,004 | 20 | - |
| Csp-Van Damme State Park | Duncans Mills, CA | 2,004 | 7 | - |
| Txdot Victoria County Sra | Austin, TX | 2,003 | 8 | - |
| Cal American Water Company - Piru | Rosemead, CA | 2,003 | 6 | - |
| Lake County CSA 20 - Soda Bay | Lakeport, CA | 2,003 | 1 | - |
| Town of Westlake | Westlake, TX | 2,002 | 12 | - |
| Clearwater Junction Rest Area | Missoula, MT | 2,002 | 57 | - |
| Cex' Ha Ci | Black River Falls, 05 | 2,002 | 30 | - |
| Madera Valley WSC | Verhalen, TX | 2,001 | 10 | Clean |
| Lincoln Rural W/a-Old Red Star | Brookhaven, MS | 2,001 | 261 | - |
| Ellis, City Of | Ellis, KS | 2,001 | 72 | - |
| Arng-Camp Guernsey Cantonment | Guernsey, WY | 2,000 | 19 | - |
| Afton, Board of Pub Utilities | Afton, WY | 2,000 | 50 | - |
| WI DOT Rest Area 9 Lemonweir | Madison, WI | 2,000 | 24 | - |
| WI DOT Rest Area 10 Kildare | Madison, WI | 2,000 | 9 | - |
| Purdy Campus System | Gig Harbor, WA | 2,000 | 21 | - |
| Deer Creek Water Assoc. | Bellingham, WA | 2,000 | 15 | - |
| Proctor Water Dept | Proctor, VT | 2,000 | 742 | - |
| Spotsy Co Hs (Incl Post Oak MS) | Spotsylvania, VA | 2,000 | 96 | Clean |
| Great Falls Park | McClean, VA | 2,000 | 59 | - |
| Coffeewood Correctional Center | Mitchells, VA | 2,000 | 0 | - |
| Caroline Co High School | Ruther Glen, VA | 2,000 | 13 | - |
| I-64 Rest Area Ebl -Oilville | Buena Vista, VA | 2,000 | 9 | - |
| Southampton High School | Courtland, VA | 2,000 | 139 | - |
| Royal Farms #108 - Cape Charles | Baltimore, VA | 2,000 | 0 | - |
| Exmore, Town Of | Exmore, VA | 2,000 | 80 | - |
| Duchesne Water System | Duchesne, UT | 2,000 | 112 | - |
| Helper City | Helper, UT | 2,000 | 40 | - |
| Northrop Grumman | Malad City, UT | 2,000 | 121 | - |
| Brandon-Irene WSC | Hillsboro, TX | 2,000 | 58 | - |
| Aldine Isd Bill J Wilson Intermediate | Houston, TX | 2,000 | 30 | - |
| Equistar Chemicals Channelview | Channelview, TX | 2,000 | 19 | - |
| Harris County Pct 4 Bear Creek Pioneers | Tomball, TX | 2,000 | 68 | - |
| Fort Bliss Detention Center | Jupiter, TX | 2,000 | 0 | - |