Browse Water Systems
434,040 public water systems.
Public Water Systems Database
Browse 434,040 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| CITY OF CLINTON | MS0250003 | Mississippi | Community | 25,000 |
| MORAINE STATE PARK W S | PA5100100 | Pennsylvania | Transient Non-Community | 25,000 |
| ELMWOOD PARK | IL0310780 | Illinois | Community | 25,000 |
| CLINTON COUNTY FAIR | NY0930127 | New York | Transient Non-Community | 25,000 |
| KALISPELL PUBLIC WORKS | MT0000259 | Montana | Community | 25,000 |
| LOS ALAMOS MUNICIPAL WATER SYSTEM | NM3500115 | New Mexico | Community | 25,000 |
| HARVEY | IL0311110 | Illinois | Community | 25,000 |
| EAST WINDSOR MUA | NJ1101002 | New Jersey | Community | 25,000 |
| BERMUDA WATER COMPANY INC | AZ0408063 | Arizona | Community | 25,000 |
| ILLINOIS SYNOD L.C.A. | IL0001867 | Illinois | Transient Non-Community | 25,000 |
| ILLINOIS SYNOD L.C.A. | IL0001859 | Illinois | Transient Non-Community | 25,000 |
| ORCHARD DALE WATER DISTRICT | CA1910101 | California | Community | 25,000 |
| PATTERSON, CITY OF | CA5010017 | California | Community | 24,977 |
| MANCHESTER WATER DEPARTMENT | TN0000429 | Tennessee | Community | 24,975 |
| SOUTH WATER TREATMENT PLANT (SWTP) | 055294506 | Minnesota | Community | 24,959 |
| SUNNYSLOPE COUNTY WATER DIST | CA3510003 | California | Community | 24,954 |
| Chanhassen | MN1100001 | Minnesota | Community | 24,951 |
| PAW GLEN ALSACE DIV | PA3060088 | Pennsylvania | Community | 24,951 |
| CITY OF MOUNTAIN HOUSE | CA3910027 | California | Community | 24,948 |
| CITY OF SEAL BEACH | CA3010041 | California | Community | 24,937 |
| HASTINGS, CITY OF | NE3100101 | Nebraska | Community | 24,927 |
| WINCHESTER WATER SYSTEM | TN0000754 | Tennessee | Community | 24,899 |
| JOHNSTON MUNICIPAL WATER SUPPLY | IA7740011 | Iowa | Community | 24,897 |
| ARDMORE | OK1010814 | Oklahoma | Community | 24,893 |
| CITY OF ENNIS | TX0700001 | Texas | Community | 24,891 |
| FORT WAYNE CITY UTILITIES | IN5202014 | Indiana | Community | 24,890 |
| CAMPBELLSVILLE MUNICIPAL WATER | KY1090060 | Kentucky | Community | 24,874 |
| FREEDOM DISTRICT | MD0060002 | Maryland | Community | 24,867 |
| RIVERBANK, CITY OF | CA5010018 | California | Community | 24,834 |
| CARTERSVILLE | GA0150002 | Georgia | Community | 24,830 |
| PEOPLES WATER SERVICE COMPANY | FL1170527 | Florida | Community | 24,806 |
| LAKE UTILITY SERVICES INC NORTH (8 WPS) | FL3354883 | Florida | Community | 24,798 |
| ORANGE CO PARK DAY CAMP | NY0013406 | New York | Transient Non-Community | 24,777 |
| CAL-AM WATER COMPANY - DUARTE | CA1910186 | California | Community | 24,773 |
| CITY OF BOERNE | TX1300001 | Texas | Community | 24,769 |
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT | IA2326048 | Iowa | Community | 24,769 |
| JACKSON, TOWN OF | WY5600213 | Wyoming | Community | 24,760 |
| EAST RIO HONDO WSC | TX0310096 | Texas | Community | 24,756 |
| NORTH CANTON CITY PWS | OH7604312 | Ohio | Community | 24,747 |
| LIBERTY UTILITIES - LYNWOOD | CA1910161 | California | Community | 24,701 |
| ROCKVILLE CENTRE (V) | NY2902848 | New York | Community | 24,700 |
| BOONE COUNTY CONS PWSD 1 | MO3024055 | Missouri | Community | 24,700 |
| DARTMOUTH WATER DIVISION | MA4072000 | Massachusetts | Community | 24,696 |
| CROSS VALLEY WATER DISTRICT | WA5316270 | Washington | Community | 24,695 |
| VERA WATER & POWER | WA5391450 | Washington | Community | 24,692 |
| VILONIA WATERWORKS | AR0000195 | Arkansas | Community | 24,690 |
| CALICO GHOST TOWN | CA3600036 | California | Non-Transient Non-Community | 24,648 |
| TINKER AIR FORCE BASE | OK2005508 | Oklahoma | Community | 24,645 |
| CULLEOKA WSC | TX0430030 | Texas | Community | 24,615 |
| HERNDON, TOWN OF | VA6059550 | Virginia | Community | 24,601 |