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 |
|---|---|---|---|---|
| NORTH KOHALA | HI0000129 | Hawaii | Community | 4,933 |
| SAN BERNARDINO MUN WAT UT CORP | CA3610040 | California | Community | 4,929 |
| SULPHUR | OK2005001 | Oklahoma | Community | 4,929 |
| PARK MANOR ESTATES (2 WPS) | FL3480992 | Florida | Community | 4,928 |
| TARENTUM BORO WATER DEPT | PA5020055 | Pennsylvania | Community | 4,927 |
| PINEHILL WATERWORKS DISTRICT | LA1017027 | Louisiana | Community | 4,926 |
| PINELANDS WATER CO | NJ0333001 | New Jersey | Community | 4,926 |
| SHENANDOAH WATER DEPT | IA7383045 | Iowa | Community | 4,925 |
| HOOSICK FALLS (V) PWS | NY4100041 | New York | Community | 4,925 |
| GILBERT WATER DISTRICT | OR4100648 | Oregon | Community | 4,925 |
| OLYMPIA FIELDS | IL0312280 | Illinois | Community | 4,922 |
| HECETA WATER PEOPLES UTILITY DISTRICT | OR4100301 | Oregon | Community | 4,921 |
| GREENWICH TWP W DEPT | NJ0807001 | New Jersey | Community | 4,921 |
| CLARKDALE MUNICIPAL WATER SYSTEM | AZ0413024 | Arizona | Community | 4,920 |
| CENTRAL INDIANA CO WATER AUTH | PA5320040 | Pennsylvania | Community | 4,920 |
| GREENVILLE WATER UTILITY | IN5222004 | Indiana | Community | 4,920 |
| Dilworth | MN1140003 | Minnesota | Community | 4,918 |
| WAIALEE-SUNSET BEACH | HI0000366 | Hawaii | Community | 4,916 |
| CAPE DISAPPOINTMENT STATE PARK | WA53SP270 | Washington | Transient Non-Community | 4,915 |
| GREEN VALLEY GLENWOOD PSD GLENWOOD | WV3302849 | West Virginia | Community | 4,914 |
| BUCKATUNNA WATER ASSOCIATION | MS0770001 | Mississippi | Community | 4,913 |
| CLAY COUNTY PWSD 6 | MO1024146 | Missouri | Community | 4,912 |
| STALLION SPRINGS CSD | CA1510025 | California | Community | 4,910 |
| SYLVANIA | GA2510003 | Georgia | Community | 4,910 |
| ANNA | IL1810050 | Illinois | Community | 4,910 |
| RICEWOOD MUD | TX1012227 | Texas | Community | 4,908 |
| HOUSTON COUNTY WATER AUTHORITY | AL0001755 | Alabama | Community | 4,902 |
| CITY OF SMITHVILLE | TX0110003 | Texas | Community | 4,901 |
| CITY OF CARTHAGE | MS0400001 | Mississippi | Community | 4,901 |
| GRAVETTE WATERWORKS | AR0000051 | Arkansas | Community | 4,900 |
| WHITING WATER DEPARTMENT | IN5245048 | Indiana | Community | 4,900 |
| UNION GROVE WATERWORKS | WI2520200 | Wisconsin | Community | 4,900 |
| ROUND LAKE PARK | IL0971600 | Illinois | Community | 4,900 |
| MARION COUNTY PWSD 1 | MO2024377 | Missouri | Community | 4,900 |
| BARROW UTILITIES & ELEC. COOP., INC. (BU | AK2320078 | Alaska | Community | 4,900 |
| UPMC MAGEE WOMENS HOSPITAL | PA5020883 | Pennsylvania | Non-Transient Non-Community | 4,900 |
| SELLERSVILLE BORO WATER WORKS | PA1090062 | Pennsylvania | Community | 4,900 |
| EBARB WWKS DIST # 1 - SPWD1 PURCHASE | LA1085060 | Community | 4,899 | |
| CHINA GROVE, TOWN OF | NC0180040 | North Carolina | Community | 4,895 |
| ELDON PWS | MO3010240 | Missouri | Community | 4,895 |
| LIBBY CITY OF | MT0000274 | Montana | Community | 4,892 |
| WINDSOR HEIGHTS WATER DEPT. | IA7791027 | Iowa | Community | 4,891 |
| TARRANT COUNTY MUD 1 | TX2200016 | Texas | Community | 4,890 |
| WEST MILTON VILLAGE PWS | OH5501711 | Ohio | Community | 4,890 |
| BERRY, TOWN OF | AL0000596 | Alabama | Community | 4,887 |
| BALDWIN CITY, CITY OF | KS2004510 | Kansas | Community | 4,882 |
| HARRIS COUNTY MUD 383 | TX1013213 | Texas | Community | 4,881 |
| CHISHOLM HEIGHTS, WATER & F P AUTHORITY | AL0000777 | Alabama | Community | 4,881 |
| BUENA BOROUGH MUA | NJ0104003 | New Jersey | Community | 4,880 |
| PARK MGM | NV0001118 | Nevada | Non-Transient Non-Community | 4,880 |