Public Water Systems
143,076 active water systems.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| SANTA ISABEL URBANO | SANTA ISABEL, PR | 39,884 | 443 | Detected |
| EL MIRAGE CITY OF | EL MIRAGE, AZ | 39,884 | 1,007 | Detected |
| MORRISTOWN UTILITIES COMMISSION | MORRISTOWN, TN | 39,883 | 20 | Detected |
| CAROL STREAM | CAROL STREAM, IL | 39,854 | 23 | Detected |
| AVALON WATER AND SEWERAGE UTILITIES | AVALON, NJ | 39,839 | 143 | Detected |
| PARK RIDGE | PARK RIDGE, IL | 39,800 | 19 | Clean |
| CENTRAL ELMORE WATER & SEWER AUTHORITY | WETUMPKA, AL | 39,798 | 53 | Clean |
| DORADO URBANO | DORADO, PR | 39,733 | 245 | Detected |
| GSWC - CLAREMONT | SAN DIMAS, CA | 39,730 | 6 | Detected |
| WHEELING | WHEELING, IL | 39,725 | 43 | Clean |
| EUSTIS, CITY OF (4 WTPS) | EUSTIS, FL | 39,721 | 91 | Detected |
| Cottage Grove | Cottage Grove, MN | 39,712 | 3 | Detected |
| HUTCHINSON, CITY OF | HUTCHINSON, KS | 39,712 | 25 | Detected |
| SAN LUIS CITY OF | SAN LUIS, AZ | 39,705 | 682 | Detected |
| SANTA MARGARITA WATER DISTRICT-ID9 | RANCHO SANTA MARGARITA, CA | 39,684 | 22 | Detected |
| CEDAR CITY WATERWORKS | CEDAR CITY, UT | 39,670 | 445 | Detected |
| MANVILLE WSC | COUPLAND, TX | 39,648 | 55 | Detected |
| STREAMWOOD | STREAMWOOD, IL | 39,577 | 27 | Clean |
| MOBILE COUNTY WATER & FIRE PRO AUTHORITY | THEODORE, AL | 39,573 | 354 | Detected |
| WESTERN WATER COMPANY | MORROW, OH | 39,508 | 67 | Detected |
| DOVER WATER DEPARTMENT | DOVER, DE | 39,491 | 47 | Detected |
| HILO | HILO, HI | 39,477 | 170 | Clean |
| BELLA VISTA POA | BELLA VISTA, AR | 39,419 | 54 | Clean |
| CITY OF DUNCANVILLE | DUNCANVILLE, TX | 39,413 | 29 | Detected |
| WAYNE WATER DISTRICTS | GOLDSBORO, NC | 39,403 | 704 | Detected |
| SAN GABRIEL COUNTY WD | ROSEMEAD, CA | 39,345 | 0 | Clean |
| FORT BELVOIR | FORT BELVOIR, VA | 39,303 | 38 | Detected |
| CLERMONT EAST WATER SYSTEM (2 WPS) | CLERMONT, FL | 39,279 | 40 | Detected |
| AMHERST DPW WATER DIVISION | AMHERST, MA | 39,263 | 42 | Clean |
| SOUTH ALABAMA UTILITIES WATER SYSTEM | CITRONELLE, AL | 39,249 | 426 | Detected |
| SOUTHWEST/POLK COUNTY UTILITY | WINTER HAVEN, FL | 39,209 | 28 | Detected |
| WINSLOW TWP DMU | BRADDOCK, NJ | 39,174 | 812 | Detected |
| HARWICH WATER DEPARTMENT | HARWICH, MA | 39,144 | 6 | Clean |
| BRAINTREE WATER AND SEWER DEPT. | BRAINTREE, MA | 39,143 | 98 | Detected |
| AQUA NJ - HAMILTON SQUARE | HAMILTON, NJ | 39,128 | 84 | Detected |
| MOUNT DORA, CITY OF (2WPS) | Mount Dora, FL | 39,120 | 67 | Detected |
| PUYALLUP CITY OF | Puyallup, WA | 39,100 | 3 | Detected |
| AMERICAN FORK CITY | LEHI, UT | 39,045 | 103 | Detected |
| ROCK ISLAND | ROCK ISLAND, IL | 39,018 | 145 | Detected |
| WESTERVILLE CITY PWS | PATASKALA, OH | 39,000 | 32 | Detected |
| FARALLON | CAYEY, PR | 38,977 | 390 | — |
| KING COUNTY WATER DISTRICT #20 | Seattle, WA | 38,974 | 3 | Clean |
| OAKLAND PARK CITY OF | OAKLAND PARK, FL | 38,905 | 52 | Clean |
| YARMOUTH WATER DEPARTMENT | WEST YARMOUTH, MA | 38,900 | 54 | Detected |
| CITY OF LIVERMORE | LIVERMORE, CA | 38,892 | 2 | Clean |
| ROY CITY WATER SYSTEM | ROY, UT | 38,800 | 428 | Detected |
| BEDFORD REGIONAL WATER AUTHORITY (BRWA) | BEDFORD, VA | 38,794 | 10 | Clean |
| LEAVENWORTH WATER DEPARTMENT | LEAVENWORTH, KS | 38,757 | 30 | Detected |
| LA VERGNE WATER SYSTEM | LAVERGNE, TN | 38,730 | 92 | Detected |
| MURRAY CITY WATER SYSTEM | WEST JORDAN, UT | 38,723 | 208 | Detected |