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 |
|---|---|---|---|---|
| Old Straitsville Water Association | Logan, OH | 2,950 | 140 | - |
| Woodstock Water Dept | North Woodstock, NH | 2,950 | 28 | - |
| Menard Correctional Center | Menard, IL | 2,950 | 125 | - |
| Nps-Grant Grove | Three Rivers, CA | 2,950 | 9 | - |
| McPrd - Lake Pleasant | Morristown, AZ | 2,950 | 16 | - |
| Quechan Casino Resort | Winterhaven, 09 | 2,950 | 38 | - |
| Wawa Store #759 | Wawa, NJ | 2,949 | 454 | - |
| Sequoyah Co. RWD #7 | Muldrow, OK | 2,948 | 61 | - |
| Pittsburg | Pittsburg, IL | 2,948 | 45 | - |
| Waiohinu-Naalehu | Hilo, HI | 2,948 | 0 | - |
| Champlain Village | Champlain, NY | 2,947 | 36 | - |
| Lathrop PWS | Lathrop, MO | 2,945 | 18 | - |
| Fmc Water Company | Odin, IL | 2,945 | 22 | - |
| Sunbelt Fwsd Heather Glen Subdivision | Houston, TX | 2,943 | 22 | - |
| Pawc Wild Acres | Bushkill, PA | 2,943 | 43 | - |
| Southwest Reg Water District (Clarinda) | Clarinda, IA | 2,942 | 163 | - |
| Girdwood Water System | Anchorage, AK | 2,942 | 119 | - |
| Dosewallips State Park | Sequim, WA | 2,941 | 30 | - |
| Harris County MUD 202 | Houston, TX | 2,940 | 4 | - |
| Paris Utility District | South Paris, ME | 2,940 | 39 | - |
| Intracoastal Water System East | Plaquemine, LA | 2,940 | 0 | - |
| Bowling Green, City Of | Bowling Green, FL | 2,940 | 61 | - |
| Nps-Wolverton | Three Rivers, CA | 2,940 | 278 | - |
| McLoud | McLoud, OK | 2,939 | 131 | - |
| Dodge Center | Dodge Center, MN | 2,939 | 38 | - |
| Lincoln Rural W/a-Pleasant Rid | Brookhaven, MS | 2,938 | 439 | - |
| Oakland City Water Department | Oakland City, IN | 2,938 | 326 | - |
| Pangburn Waterworks | Pangburn, AR | 2,936 | 442 | - |
| Morrisville Water and Light | Morrisville, VT | 2,935 | 127 | Clean |
| Lake City Boro Munic Water | Lake City, PA | 2,935 | 318 | - |
| Kingdom Heights Water System | Sugar Land, TX | 2,934 | 20 | Clean |
| North McLean Co Water District | Livermore, KY | 2,934 | 42 | Detected |
| Lake Caroline | Rockville, VA | 2,933 | 468 | - |
| Pattison W/A-West | Pattison, MS | 2,933 | 290 | Clean |
| Gladwin, City Of | Gladwin, MI | 2,933 | 67 | - |
| City of Durant | Durant, MS | 2,932 | 277 | - |
| South Bend Water Department | South Bend, WA | 2,930 | 1,250 | - |
| City of Itta Bena | Itta Bena, MS | 2,930 | 568 | - |
| Baker Water System, Inc. | Baker, FL | 2,930 | 19 | - |
| Nps-Ash Mountain | Three Rivers, CA | 2,930 | 7 | - |
| Salinas Valley State Prison | Soledad, CA | 2,930 | 8 | Clean |
| Grosse Pointe Shores | Grosse Pointe Shores, MI | 2,929 | 14 | - |
| Nice Mutual Water Company | Nice, CA | 2,929 | 6 | - |
| View Caps WSC | Abilene, TX | 2,928 | 39 | - |
| Connecticut Valley Hospital | Middletown, CT | 2,928 | 149 | - |
| Arcola | Arcola, IL | 2,927 | 49 | - |
| Northgate 880 [Sws] | Sacramento, CA | 2,926 | 2 | - |
| Hondah Casino | Pinetop, 09 | 2,926 | 215 | - |
| Wawa Food Market 289 | Wawa, PA | 2,925 | 18 | - |
| Town of Bay Springs | Bay Springs, MS | 2,925 | 1,110 | Clean |