Public Water Systems
143,076 active water systems.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| NAPA, CITY OF | NAPA, CA | 84,804 | 23 | Clean |
| INDIO WATER AUTHORITY | INDIO, CA | 84,757 | 14 | Clean |
| COLUMBIA POWER AND WATER SYSTEMS | COLUMBIA, TN | 84,617 | 5 | Detected |
| GOLETA WATER DISTRICT | GOLETA, CA | 84,462 | 22 | Detected |
| HALLSDALE-POWELL U.D. | KNOXVILLE, TN | 84,315 | 68 | Clean |
| WALDORF - CHARLES COUNTY DPW | LA PLATA, MD | 84,296 | 19 | Detected |
| YORBA LINDA WATER DISTRICT | PLACENTIA, CA | 84,292 | 4 | Detected |
| WESTLAND | WESTLAND, MI | 84,094 | 17 | Clean |
| GW SANTA CRUZ WATER CO | MARICOPA, AZ | 84,000 | 256 | Detected |
| WARNER ROBINS | WARNER ROBINS, GA | 83,705 | 43 | Clean |
| CITY OF LONGVIEW | LONGVIEW, TX | 83,236 | 1 | Clean |
| MONTGOMERY COUNTY WATER SERVICES 2 PWS | KETTERING, OH | 83,033 | 32 | Detected |
| AVONDALE CITY OF | AVONDALE, AZ | 83,001 | 242 | Detected |
| CITY OF BLOOMINGTON UTILITIES | BLOOMINGTON, IN | 83,000 | 48 | Clean |
| CICERO | CICERO, IL | 83,000 | 43 | Clean |
| WINTER PARK, CITY OF (3 WPS) | WINTER PARK, FL | 82,984 | 67 | Clean |
| ROCK HILL CITY OF (SC4610002) | ROCK HILL, SC | 82,846 | 29 | Detected |
| ST. CLOUD, CITY OF (3 WPS) | ST. CLOUD, FL | 82,752 | 159 | Clean |
| Woodbury | Woodbury, MN | 82,643 | 17 | Detected |
| APEX, TOWN OF | APEX, NC | 82,029 | 69 | Detected |
| LAYTON CITY WATER SYSTEM | LAYTON, UT | 82,000 | 89 | Detected |
| NAPLES WATER DEPT | NAPLES, FL | 82,000 | 46 | Detected |
| CITY OF BUENA PARK | BUENA PARK, CA | 81,998 | 12 | Detected |
| CITY OF MILPITAS | MILPITAS, CA | 81,773 | 15 | Clean |
| SOUTH HUNTINGTON WATER DISTRICT | CENTERPORT, NY | 81,760 | 11 | Clean |
| SUMMERVILLE CPW (SC1810003) | SUMMERVILLE, SC | 81,750 | 13 | Detected |
| LAFOURCHE WATER DISTRICT 1 | LOCKPORT, LA | 81,609 | 11 | Detected |
| CITY OF MOUNTAIN VIEW | MOUNTAIN VIEW, CA | 81,501 | 17 | Detected |
| ROGERS WATER UTILITIES | ROGERS, AR | 81,443 | 1 | Clean |
| REHOBOTH PUMP DISTRICT (TUI) | DOVER, DE | 81,417 | 9 | Detected |
| CONSOLIDATED MUTUAL MAPLE GROVE | LAKEWOOD, CO | 81,400 | 18 | Detected |
| FLINT, CITY OF | FLINT, MI | 81,252 | 48 | Clean |
| MADISON SUBURBAN U.D. | MADISON, TN | 81,203 | 23 | Clean |
| BIG BEAR ADMINISTRATION | SAN BERNARDINO, CA | 81,075 | 12 | — |
| SOMERVILLE WATER DEPT. (MWRA) | SOMERVILLE, MA | 81,045 | 33 | Clean |
| Plymouth | Plymouth, MN | 81,026 | 3 | Detected |
| DELTONA WATER | DELTONA, FL | 81,006 | 92 | Detected |
| LYNCHBURG, CITY OF | LYNCHBURG, VA | 80,995 | 0 | Clean |
| FOLSOM, CITY OF - MAIN | FOLSOM, CA | 80,969 | 8 | Clean |
| INGLEWOOD- CITY, WATER DEPT. | INGLEWOOD, CA | 80,824 | 16 | Detected |
| RIO BLANCO,VIEQUES,CULEDRA | NAGUABO, PR | 80,759 | 647 | Clean |
| OCUD/SOUTHERN WATER SYS (5 WPS) | ORLANDO, FL | 80,738 | 27 | Clean |
| OKALOOSA CO.WTR.; SWR.SYSTEM | FORT WALTON BEACH, FL | 80,295 | 29 | Detected |
| ECWA AMHERST | BUFFALO, NY | 80,228 | 0 | — |
| CITY OF HOUSTON UD 5 - KINGWOOD | HOUSTON, TX | 80,073 | 23 | Detected |
| TOWN OF FLOWER MOUND | FLOWER MOUND, TX | 80,000 | 34 | Detected |
| AQUA ILLINOIS-KANKAKEE | KANKAKEE, IL | 80,000 | 21 | Clean |
| HOMESTEAD, CITY OF | HOMESTEAD, FL | 80,000 | 54 | Detected |
| LEHI CITY | LEHI, UT | 79,978 | 198 | Detected |
| JONESBORO WATER SYSTEM | JONESBORO, AR | 79,889 | 11 | Clean |