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 |
|---|---|---|---|---|
| Spruce Creek North | Belleview, FL | 7,467 | 18 | Detected |
| Harris County MUD 151 | Houston, TX | 7,464 | 2 | Clean |
| City of Batesville | Batesville, MS | 7,463 | 665 | Clean |
| City of Mexia | Mexia, TX | 7,459 | 12 | Clean |
| Belle Plaine | Belle Plaine, MN | 7,456 | 19 | Clean |
| City of Dos Palos | Dos Palos, CA | 7,452 | 57 | Clean |
| McCook, City Of | McCook, NE | 7,450 | 123 | Clean |
| City of Fowler | Fowler, CA | 7,448 | 21 | Detected |
| Charles City Water Supply | Charles City, IA | 7,446 | 24 | Clean |
| Garrochales | Arecibo, PR | 7,439 | 156 | Clean |
| Linton Municipal Water Utility | Linton, IN | 7,430 | 59 | Clean |
| Escalon, City Of | Escalon, CA | 7,429 | 35 | Clean |
| Marshfield PWS | Marshfield, MO | 7,425 | 61 | Clean |
| Trumbull Lake Campground | Sparks, CA | 7,423 | 28 | - |
| Page City Of | Page, AZ | 7,420 | 173 | Clean |
| Valley Center, City Of | Valley Center, KS | 7,419 | 39 | Clean |
| U.c.p.r | Ponce, PR | 7,416 | 617 | Detected |
| Nebraska City, City Of | Nebraksa City, NE | 7,414 | 8 | Clean |
| Potosi WSC | Abilene, TX | 7,413 | 83 | Detected |
| Buckley Water | Buckley, WA | 7,411 | 35 | Clean |
| Strasburg, Town Of | Strasburg, VA | 7,410 | 46 | Detected |
| Jamestown Municipal Water Works | Jamestown, KY | 7,402 | 416 | Clean |
| Peacock Hill | Tacoma, WA | 7,401 | 52 | Detected |
| Fairfield Water Dept | Fairfield, NJ | 7,400 | 111 | Detected |
| University of Notre Dame | Notre Dame, IN | 7,400 | 86 | Detected |
| Possum Kingdom WSC | Graford, TX | 7,395 | 116 | Clean |
| Stuttgart Waterworks | Stuttgart, AR | 7,393 | 20 | Clean |
| Big Park Water Company | Sedona, AZ | 7,392 | 2,033 | Detected |
| Mayflower Waterworks | Mayflower, AR | 7,390 | 124 | Clean |
| Harris County MUD 419 | Houston, TX | 7,389 | 0 | Detected |
| First U.d. of Hardin County | Counce, TN | 7,388 | 73 | Detected |
| City of Seminole | Seminole, TX | 7,386 | 680 | Clean |
| Isanti | Isanti, MN | 7,386 | 40 | Clean |
| Central Wcid of Angelina County | Pollok, TX | 7,381 | 33 | Clean |
| Tea | Tea, SD | 7,381 | 24 | Clean |
| Hamilton Water Dept | Hamilton, MA | 7,377 | 84 | Detected |
| Scottsburg Water Department | Scottsburg, IN | 7,369 | 427 | Detected |
| Meansville Riley W/D (Sc4420001) | Union, SC | 7,368 | 72 | Detected |
| Mullins City of (Sc3310002) | Conway, SC | 7,366 | 28 | Clean |
| East Clark Co Water District | Winchester, KY | 7,366 | 40 | Clean |
| Sienna MUD 3 | Houston, TX | 7,365 | 1 | Detected |
| City of Luling | Luling, TX | 7,364 | 27 | Clean |
| John F Kennedy Space Center (Consec) | Kennedy Space Center, FL | 7,364 | 68 | Clean |
| Yorktown Water Association | Star City, AR | 7,364 | 44 | Clean |
| Milan | Milan, MI | 7,363 | 40 | Clean |
| Gswc - Calipatria | San Dimas, CA | 7,363 | 6 | Clean |
| Fort Bend County MUD 133 | Houston, TX | 7,362 | 0 | Detected |
| Washington Water Department | Washington, IA | 7,362 | 48 | Clean |
| City of Alamo Heights | San Antonio, TX | 7,357 | 118 | Clean |
| Cypress Forest PUD | Houston, TX | 7,356 | 3 | Detected |