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 |
|---|---|---|---|---|
| Presidio of San Francisco | San Francisco, CA | 3,500 | 14 | Detected |
| Shady Cove | Fawnskin, CA | 3,500 | 0 | - |
| Yosemite Nps-Mariposa Grove | Yosemite Np, CA | 3,500 | 0 | - |
| Bear Valley Mountain Resort | Bear Valley, CA | 3,500 | 0 | - |
| AZ State Prison - Geo Group - Kingman | Golden Valley, AZ | 3,500 | 357 | Clean |
| Kachina Village Dwid | Flagstaff, AZ | 3,500 | 216 | Clean |
| St Johns City Of | Saint Johns, AZ | 3,500 | 263 | Clean |
| Van Buren County PWA | Clinton, AR | 3,500 | 36 | Clean |
| Hoopa Valley-Wide System | Hoopa, 09 | 3,500 | 209 | Clean |
| Odawa Casino | Harbor Springs, 05 | 3,500 | 23 | - |
| Pine Village PUD | Houston, TX | 3,498 | 90 | - |
| Consolidated Waterworks District 2 | Bastrop, LA | 3,498 | 22 | Clean |
| Le Roy | Leroy, IL | 3,498 | 105 | Clean |
| Commercial Point Village | Commercial Point, OH | 3,497 | 59 | Detected |
| Lindsborg, City Of | Lindsborg, KS | 3,496 | 25 | - |
| Central Town of (Sc3910005) | Central, SC | 3,495 | 16 | Detected |
| NJ American Water - New Egypt | Colts Neck, NJ | 3,495 | 3 | - |
| Hesston, City Of | Hesston, KS | 3,495 | 10 | Clean |
| New Hampton Water Supply | New Hampton, IA | 3,494 | 27 | Clean |
| Roosevelt Water Association | Snohomish, WA | 3,493 | 17 | - |
| Rimrock Service Area | Rathdrum, ID | 3,493 | 31 | - |
| Gunnison City | Gunnison, UT | 3,490 | 185 | Clean |
| Dewey Public Works Authority | Dewey, OK | 3,490 | 61 | Detected |
| Sturgis Water Works | Sturgis, KY | 3,490 | 438 | Detected |
| Forsyth | Forsyth, IL | 3,490 | 12 | Clean |
| Century, Town Of | Century, FL | 3,490 | 39 | Clean |
| Harris County Ud 15 | Houston, TX | 3,489 | 1 | Clean |
| Lockland Village PWS | Lockland, OH | 3,486 | 45 | Clean |
| Davison Rural Water System Inc | Mitchell, SD | 3,485 | 7 | - |
| Clay County PWSD 2 | Pleasant Valley, MO | 3,485 | 19 | - |
| East Fork Water | Shoals, IN | 3,485 | 23 | Clean |
| Schuyler County Consolidated PWSD 1 | Queen City, MO | 3,482 | 18 | Detected |
| Broad Creek Psd (0720009) | Hilton Head Island, SC | 3,481 | 6 | Clean |
| Checotah PWA | Checotah, OK | 3,481 | 633 | Detected |
| Harris County MUD 412 | Houston, TX | 3,480 | 13 | Detected |
| Madison Township | Adrian, MI | 3,480 | 8 | Clean |
| Jacksonville University | Jacksonville, FL | 3,480 | 91 | Clean |
| Angelina WSC | Lufkin, TX | 3,479 | 16 | Clean |
| Hubbard, City Of | Hubbard, OR | 3,478 | 39 | Clean |
| Auburn, City Of | Auburn, NE | 3,478 | 8 | Detected |
| Essexville, City Of | Essexville, MI | 3,478 | 2 | Clean |
| Roberta | Roberta, GA | 3,478 | 48 | - |
| Greater Gardendale WSC | Gardendale, TX | 3,477 | 21 | - |
| Maricao | Maricao, PR | 3,474 | 119 | Clean |
| Colusa Southern System | Colusa, 09 | 3,474 | 395 | Clean |
| Veolia Water PA Shavertown | Harrisburg, PA | 3,472 | 37 | - |
| Point Blue/Chataiginer Water System | Ville Platte, LA | 3,471 | 47 | - |
| Aledo | Aledo, IL | 3,470 | 54 | Clean |
| Tritownship Water District | Trenton, IL | 3,470 | 77 | Clean |
| Williamstown Water Dept | Williamstown, WV | 3,469 | 95 | Detected |