Public Water Systems
143,076 active water systems.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| CITY OF ALHAMBRA | ALHAMBRA, CA | 79,776 | 8 | Detected |
| FLORENCE CITY OF (SC2110001) | FLORENCE, SC | 79,745 | 40 | Detected |
| CITY OF PHARR | PHARR, TX | 79,715 | 8 | Detected |
| SANFORD, CITY OF (2 WPS) | SANFORD, FL | 79,715 | 107 | Detected |
| SUNRISE SPRINGTREE | SUNRISE, FL | 79,550 | 54 | Detected |
| CITY OF LAKE CHARLES WATER SYSTEM | LAKE CHARLES, LA | 79,500 | 15 | Detected |
| EDMOND PWA | EDMOND, OK | 79,408 | 153 | Detected |
| SAMMAMISH PLATEAU WATER & SEWER | Sammamish, WA | 79,362 | 77 | Detected |
| HENDERSONVILLE, CITY OF | HENDERSONVILLE, NC | 79,278 | 272 | Clean |
| LANCASTER COUNTY W&SD (SC2920001) | LANCASTER, SC | 79,107 | 56 | Detected |
| CITY OF BOSSIER CITY WATER SYSTEM | BOSSIER CITY, LA | 78,960 | 15 | Detected |
| HAMMOND WATER WORKS DEPARTMENT | HAMMOND, IN | 78,384 | 38 | Clean |
| LAKE COUNTY WEST WATER SUBDISTRICT | PAINESVILLE, OH | 78,379 | 6 | Clean |
| UPLAND, CITY OF | UPLAND, CA | 78,376 | 10 | Detected |
| GOLDEN HEART UTILITIES | FAIRBANKS, AK | 78,324 | 122 | Detected |
| WARREN COUNTY | LEBANON, OH | 78,299 | 153 | Clean |
| REDLANDS CITY MUD-WATER DIV | REDLANDS, CA | 78,025 | 11 | Detected |
| WEST KNOX UTILITY DISTRICT | KNOXVILLE, TN | 77,825 | 13 | Clean |
| FLORENCE, WATER DEPARTMENT, CITY OF | FLORENCE, AL | 77,766 | 12 | Detected |
| BEND, CITY OF | BEND, OR | 77,704 | 339 | Detected |
| BLOOMINGTON | BLOOMINGTON, IL | 77,610 | 61 | Detected |
| ACSA URBAN AREA | CHARLOTTESVILLE, VA | 77,408 | 3 | Clean |
| FRANKLIN WATER DEPT | FRANKLIN, TN | 77,222 | 291 | Detected |
| CITY OF MANSFIELD | MANSFIELD, TX | 77,142 | 27 | Detected |
| DECATUR, MUNICIPAL UTILITIES BOARD OF | DECATUR, AL | 77,103 | 7 | Detected |
| CITY OF MISSION | MISSION, TX | 77,058 | 132 | Detected |
| FLAGSTAFF CITY OF | FLAGSTAFF, AZ | 76,960 | 1,061 | Detected |
| CITY OF PLEASANTON | PLEASANTON, CA | 76,689 | 4 | Detected |
| DULLES AIRPORT | DULLES, VA | 76,500 | 34 | Detected |
| SOUTH GATE-CITY, WATER DEPT. | SOUTH GATE, CA | 76,443 | 127 | Detected |
| CHINO HILLS, CITY OF | CHINO HILLS, CA | 76,414 | 43 | Clean |
| HARDIN COUNTY WATER DISTRICT #2 | ELIZABETHTOWN, KY | 76,326 | 26 | Detected |
| ANKENY, CITY OF | ANKENY, IA | 76,207 | 386 | Detected |
| DECATUR | DECATUR, IL | 76,122 | 99 | Clean |
| BONITA SPRINGS UTILITIES | BONITA SPRINGS, FL | 76,033 | 13 | Clean |
| PARKER WSD | PARKER, CO | 75,949 | 466 | Detected |
| SCHAUMBURG | SCHAUMBURG, IL | 75,750 | 22 | Clean |
| HICKORY CITY OF | HICKORY, NC | 75,654 | 9 | Clean |
| SNOW SUMMIT | BIG BEAR LAKE, CA | 75,500 | 45 | — |
| HOT SPRINGS UTILITIES | HOT SPRINGS, AR | 75,343 | 83 | Clean |
| BCWWS 1A | POMPANO BEACH, FL | 75,305 | 47 | Detected |
| CITY OF GULFPORT | GULFPORT, MS | 75,056 | 1,598 | Detected |
| EAST ORANGE WATER COMMISSION | EAST ORANGE, NJ | 75,000 | 316 | Detected |
| Maple Grove | Maple Grove, MN | 75,000 | 1 | Detected |
| NEW DESIGN - FREDERICK COUNTY | FREDERICK, MD | 74,911 | 28 | Detected |
| COMPTON-CITY, WATER DEPT. | COMPTON, CA | 74,877 | 20 | Detected |
| DESERT WATER AGENCY | PALM SPRINGS, CA | 74,807 | 22 | Clean |
| APPLETON WATERWORKS | APPLETON, WI | 74,511 | 51 | Detected |
| WAILUKU | WAILUKU, HI | 74,511 | 59 | Clean |
| AQUA OHIO - MENTOR | MENTOR, OH | 74,500 | 10 | Clean |