Public Water Systems
143,076 active water systems.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| ORO VALLEY WATER UTILITY | ORO VALLEY, AZ | 42,316 | 2,191 | Detected |
| PLAINFIELD TOWNSHIP | GRAND RAPIDS, MI | 42,271 | 12 | Detected |
| PHENIX CITY UTILITIES | PHENIX CITY, AL | 42,267 | 235 | Detected |
| CAMP PENDLETON (SOUTH) | CAMP PENDLETON, CA | 42,219 | 40 | Detected |
| PRESCOTT CITY OF | PRESCOTT, AZ | 42,217 | 616 | Detected |
| CITY OF ROSENBERG | ROSENBERG, TX | 42,158 | 28 | Detected |
| NEWPORT-CITY OF | NEWPORT, RI | 42,155 | 134 | Detected |
| BILLERICA WATER WORKS | BILLERICA, MA | 42,119 | 52 | Detected |
| BURLINGTON DEPT PUBLIC WORKS WATER DIV | BURLINGTON, VT | 42,000 | 13 | Clean |
| CRANBERRY TWP WTP | CRANBERRY TWP, PA | 42,000 | 58 | Detected |
| GREENLAWN WATER DISTRICT | GREENLAWN, NY | 42,000 | 87 | Detected |
| QUINCY | QUINCY, IL | 42,000 | 78 | Detected |
| ISU | AMES, IA | 42,000 | 49 | Detected |
| SOUTH NORWALK ELECTRIC & WATER | WILTON, CT | 42,000 | 215 | Clean |
| CITY OF SCHERTZ | SCHERTZ, TX | 41,948 | 16 | Detected |
| FITCHBURG DPW DIVISION OF WATER SUPPLY | FITCHBURG, MA | 41,946 | 51 | Detected |
| LAGRANGE | LAGRANGE, GA | 41,852 | 5 | Detected |
| MARLBOROUGH DPW WATER DIV. (MWRA) | MARLBOROUGH, MA | 41,799 | 56 | Clean |
| WENTZVILLE PWS | WENTZVILLE, MO | 41,784 | 30 | Detected |
| MT LAUREL TWP MUA | MIOUNT LAUREL, NJ | 41,743 | 31 | Detected |
| SACRAMENTO INTERNATIONAL AIRPORT [SWS] | SACRAMENTO, CA | 41,717 | 2 | Clean |
| LEOMINSTER WATER DIVISION | LEOMINSTER, MA | 41,683 | 345 | Detected |
| KEARNY WATER DEPARTMENT | KEARNY, NJ | 41,664 | 37 | Detected |
| CHESTERFIELD TOWNSHIP | CHESTERFIELD TOWNSHIP, MI | 41,650 | 11 | Clean |
| DEDHAM WESTWOOD WATER DIST. | DEDHAM, MA | 41,630 | 11 | Detected |
| MARION MUNICIPAL WATER DEPT | MARION, IA | 41,623 | 36 | Detected |
| OAK RIDGE DEPT OF PUBLIC WORKS | OAK RIDGE, TN | 41,614 | 26 | Clean |
| CITY OF PLANT CITY UTILITY | PLANT CITY, FL | 41,601 | 77 | Clean |
| INDIAN WELLS VALLEY W.D. | RIDGECREST, CA | 41,580 | 44 | Detected |
| BARTLETT | BARTLETT, IL | 41,500 | 300 | Clean |
| INDIANA AMERICAN WATER - RICHMOND | GREENWOOD, IN | 41,485 | 9 | Clean |
| HOPKINSVILLE WATER ENVIRONMENT AUTHORITY | HOPKINSVILLE, KY | 41,350 | 201 | Detected |
| CITY OF SAN BRUNO | SAN BRUNO, CA | 41,327 | 2 | Detected |
| KNOX-CHAPMAN UTILITY DISTRICT | KNOXVILLE, TN | 41,311 | 71 | Clean |
| CARMICHAEL WATER DISTRICT | CARMICHAEL, CA | 41,193 | 4 | Detected |
| SOUTH COAST WATER DISTRICT | LAGUNA BEACH, CA | 41,118 | 4 | Detected |
| WESTFIELD DPWWATER DIVISION | WESTFIELD, MA | 41,094 | 152 | Detected |
| GEORGETOWN TOWNSHIP | JENISON, MI | 41,086 | 1 | Clean |
| BLOOMFIELD TOWNSHIP | BLOOMFIELD TOWNSHIP, MI | 41,070 | 0 | Clean |
| EPCOR WATER NEW MEXICO INC CLOVIS | CLOVIS, NM | 41,066 | 51 | Detected |
| ALABASTER WATER BOARD | ALABASTER, AL | 41,061 | 133 | Detected |
| MIDDLETOWN WATER DEPARTMENT | MIDDLETOWN, CT | 41,019 | 26 | Clean |
| TOWN OF LITTLE ELM | LITTLE ELM, TX | 41,000 | 6 | Detected |
| GREENE CO.-NORTHWEST REG WATER | BEAVERCREEK, OH | 41,000 | 61 | Clean |
| MOUNT PROSPECT | MOUNT PROSPECT, IL | 41,000 | 49 | Clean |
| CALIFORNIA STATE UNIVERSITY FRESNO | FRESNO, CA | 41,000 | 4 | Detected |
| HANOVER MUNI WATER WORKS | HANOVER, PA | 40,900 | 251 | Detected |
| WOBURN WATER DEPT. | WOBURN, MA | 40,876 | 46 | Detected |
| BAY COUNTY WATER SYSTEM | PANAMA CITY, FL | 40,848 | 32 | Clean |
| SAGINAW CHARTER TOWNSHIP | SAGINAW, MI | 40,840 | 4 | Clean |