Public Water Systems
143,076 active water systems.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| BENTONVILLE WATER UTILITIES | BENTONVILLE, AR | 51,250 | 23 | Detected |
| CITY OF LUFKIN | LUFKIN, TX | 51,236 | 43 | Detected |
| MIDDLETOWN CITY PWS | TRENTON, OH | 51,229 | 61 | Detected |
| MANCHESTER WATER DEPARTMENT | MANCHESTER, CT | 51,198 | 31 | Detected |
| COLUMBUS MUNICIPAL UTILITY | COLUMBUS, IN | 51,122 | 8 | Detected |
| CUYAHOGA FALLS CITY PWS | CUYAHOGA FALLS, OH | 51,114 | 94 | Detected |
| WILLIAMSPORT MUN WATER AUTH | WILLIAMSPORT, PA | 51,000 | 73 | Detected |
| MANSFIELD CITY | MANSFIELD, OH | 51,000 | 84 | Clean |
| ALTAMONTE SPRINGS WATER DEPT (2 WPS) | ALTAMONTE SPRINGS, FL | 51,000 | 64 | Detected |
| BETHANY BAY PUMP DISTRICT | DOVER, DE | 51,000 | 11 | Detected |
| LAKEWOOD CITY PWS | LAKEWOOD, OH | 50,942 | 41 | Clean |
| MYRTLE BEACH CITY OF (SC2610001) | MYRTLE BEACH, SC | 50,930 | 25 | Detected |
| FOLEY, UTILITIES BOARD OF THE CITY OF | FOLEY, AL | 50,919 | 16 | Clean |
| DELAND, CITY OF | DELAND, FL | 50,910 | 61 | Detected |
| CITY OF CEDAR HILL | CEDAR HILL, TX | 50,904 | 34 | Detected |
| CITY OF WAXAHACHIE | WAXAHACHIE, TX | 50,814 | 41 | Detected |
| LIBERTY WATER LPSCO | LITCHFIELD PARK, AZ | 50,770 | 271 | Detected |
| CITY OF GRAPEVINE | GRAPEVINE, TX | 50,631 | 9 | Detected |
| MILILANI | HONOLULU, HI | 50,573 | 42 | Clean |
| CAL AM - PARKWAY | SACRAMENTO, CA | 50,573 | 3 | Detected |
| ROBINSON CREEK CAMPGROUND | SPARKS, CA | 50,562 | 22 | — |
| ROMEOVILLE | ROMEOVILLE, IL | 50,458 | 266 | Detected |
| PARSIPPANY-TROY HILLS WATER DEPARTMENT | PARSIPPANY, NJ | 50,400 | 430 | Detected |
| GOLDEN STATE WC - PLACENTIA/YORBA LINDA | ANAHEIM, CA | 50,381 | 0 | Detected |
| GSWC - ARTESIA | ANAHEIM, CA | 50,375 | 5 | Detected |
| Apple Valley | Apple Valley, MN | 50,300 | 3 | Detected |
| CITY OF NACOGDOCHES | NACOGDOCHES, TX | 50,226 | 74 | Clean |
| PA AMER WATER CO | HUMMELSTOWN, PA | 50,200 | 15 | Detected |
| NIAGARA FALLS WATER BOARD | NIAGARA FALLS, NY | 50,193 | 84 | Clean |
| HOFFMAN ESTATES | HOFFMAN ESTATES, IL | 50,179 | 42 | Clean |
| Saint Louis Park | St. Louis Park, MN | 50,010 | 14 | Detected |
| SUNRISE WATER AUTHORITY | HAPPY VALLEY, OR | 50,003 | 7 | Detected |
| WILSON, CITY OF | WILSON, NC | 50,001 | 7 | Clean |
| SANTA MARGARITA RECREATION AREA | SAN LUIS OBISPO, CA | 50,001 | 0 | — |
| GOODYEAR WATER DEPARTMENT | GOODYEAR, AZ | 50,001 | 351 | Detected |
| CENTERVILLE OSTERVILLE MARSTONS MILLS WD | OSTERVILLE, MA | 50,000 | 61 | Detected |
| PURDUE UNIV. WATER WORKS | WEST LAFAYETTE, IN | 50,000 | 82 | Detected |
| PLAINFIELD | PLAINFIELD, IL | 50,000 | 182 | Clean |
| UNIVERSITY OF ARIZONA | TUCSON, AZ | 50,000 | 1,168 | Detected |
| WHITTIER-CITY, WATER DEPT. | WHITTIER, CA | 49,954 | 0 | Clean |
| NEWARK CITY PWS | NEWARK, OH | 49,934 | 70 | Detected |
| GLENDORA-CITY, WATER DEPT. | GLENDORA, CA | 49,934 | 4 | Clean |
| SHEBOYGAN WATER UTILITIES | SHEBOYGAN, WI | 49,931 | 58 | Clean |
| CITY OF BEDFORD | BEDFORD, TX | 49,900 | 16 | Detected |
| POWAY, CITY OF | POWAY, CA | 49,888 | 4 | Detected |
| LINCOLN COUNTY WTP | DENVER, NC | 49,693 | 67 | Detected |
| HOLLAND BOARD OF PUBLIC WORKS | HOLLAND, MI | 49,687 | 9 | Clean |
| MISHAWAKA UTILITIES | MISHAWAKA, IN | 49,675 | 19 | Detected |
| GREENWOOD CPW (2410001) | GREENWOOD, SC | 49,632 | 21 | Detected |
| UC - DAVIS | DAVIS, CA | 49,616 | 10 | Detected |