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 |
|---|---|---|---|---|
| Elkin, Town Of | Elkin, NC | 4,076 | 43 | Clean |
| Gordon Byram Assoc LLC | Ledgewood, NJ | 4,075 | 38 | Clean |
| Jackson County PWSD 16 | Sibley, MO | 4,075 | 35 | Clean |
| Lathrup Village | Lathrup Village, MI | 4,075 | 20 | Clean |
| West Terre Haute Water | Centerpoint, IN | 4,075 | 203 | Detected |
| Orange County Wcid 2 | Orange, TX | 4,074 | 47 | Clean |
| Bloomfield, Village Of | Pell Lake, WI | 4,071 | 171 | Clean |
| Meeker MWD | Beaumont, TX | 4,071 | 111 | - |
| Glasco Water District | Saugerties, NY | 4,071 | 60 | Clean |
| North Lumberton Utility Assn | Lumberton, MS | 4,071 | 812 | Clean |
| Delhi Water Supply | Delhi, LA | 4,071 | 19 | Clean |
| Millstadt | Swansea, IL | 4,071 | 57 | Detected |
| Burnsville, Town Of | Burnsville, NC | 4,069 | 378 | Clean |
| Graves Co Water Dist - Hickory | Mayfield, KY | 4,069 | 415 | Clean |
| Sws - Cypress Lakes | Altamonte Springs, FL | 4,065 | 44 | Clean |
| Bicknell Municipal Utilities | Bicknell, IN | 4,064 | 224 | Clean |
| Marshall County Psd 4 | Cameron, WV | 4,063 | 178 | Detected |
| Cross Roads Sud | Kilgore, TX | 4,062 | 68 | - |
| Kendall West Utility | Canyon Lake, TX | 4,062 | 68 | - |
| Greene County Water Authority | Eutaw, AL | 4,062 | 58 | Clean |
| Ho Ho Kus Water Dept | Hohokus Boro, NJ | 4,060 | 137 | Detected |
| San Joaquin, City Of | San Joaquin, CA | 4,060 | 39 | Clean |
| Rock Valley Water Supply | Rock Valley, IA | 4,059 | 97 | Clean |
| City of Aubrey | Aubrey, TX | 4,058 | 116 | - |
| Allardt Water Works | Allardt, TN | 4,058 | 102 | Clean |
| Valley Ranch MUD 1 | Houston, TX | 4,056 | 0 | Clean |
| Tpwd Ray Roberts Lake Isle Dubois | Austin, TX | 4,056 | 19 | - |
| Northwest Jasper Regional Water District | Demotte, IN | 4,054 | 23 | Clean |
| Stevens Pass Water System | Leavenworth, WA | 4,053 | 35 | Clean |
| Eureka Springs Waterworks | Eureka Springs, AR | 4,053 | 23 | Clean |
| Chase Groves(consec.) | Winter Park, FL | 4,052 | 9 | Detected |
| Mills, City Of | Mills, WY | 4,050 | 12 | Clean |
| Angola Village | Angola, NY | 4,050 | 45 | Clean |
| Greenport WD No1 | Hudson, NY | 4,050 | 101 | Clean |
| Rumford Water District | Rumford, ME | 4,050 | 28 | Clean |
| Farmington Village Corp Water Dept | Farmington, ME | 4,050 | 27 | Clean |
| Vivian Water System | Vivian, LA | 4,050 | 70 | Clean |
| Yuma City Of | Yuma, CO | 4,049 | 473 | Clean |
| Hays Cisd Jack C Hays High School | Kyle, TX | 4,048 | 143 | Clean |
| East Donegal | Columbia, PA | 4,048 | 438 | Detected |
| Lafayette Water Works | Lafayette, AL | 4,047 | 125 | Detected |
| Lake County CSA 21 - North Lakeport | Lakeport, CA | 4,046 | 5 | - |
| Pottsville Water Association | Pottsville, AR | 4,045 | 30 | Clean |
| Harris County MUD 423 | Houston, TX | 4,044 | 10 | - |
| Valley Falls Psd | Fairmont, WV | 4,042 | 142 | Clean |
| Pulaski Waterworks | Pulaski, WI | 4,040 | 12 | Clean |
| Mount Pleasant City | Mount Pleasant, UT | 4,040 | 526 | Clean |
| M E N WSC | Corsicana, TX | 4,040 | 39 | Detected |
| Monticello Water Supply | Monticello, IA | 4,040 | 62 | Clean |
| Montezuma | Montezuma, GA | 4,040 | 32 | Clean |