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 |
|---|---|---|---|---|
| SUNY AT MORRISVILLE | NY0017628 | New York | Community | 9,999 |
| LACKAWANNA CITY | NY1400506 | New York | Community | 9,999 |
| WAIALUA-HALEIWA | HI0000332 | Hawaii | Community | 9,996 |
| BOONEVILLE WATER DEPT. | MS0590004 | Mississippi | Community | 9,995 |
| SUMMERVILLE | GA0550003 | Georgia | Community | 9,993 |
| AUSTINS COLONY | TX2270255 | Texas | Community | 9,987 |
| FORREST CITY WATERWORKS | AR0000004 | Arkansas | Community | 9,986 |
| ADAMSVILLE WATER SYSTEM | TN0000002 | Tennessee | Community | 9,985 |
| CHEAT VIEW PSD | WV3303106 | West Virginia | Community | 9,984 |
| REEDSBURG WATERWORKS | WI1570102 | Community | 9,984 | |
| CITY OF IOWA COLONY | TX0200832 | Texas | Community | 9,978 |
| Shiprock-Rattlesnake-Cudei-Beclabito NTUA | NN3500248 | Arizona | Community | 9,975 |
| BEREA MUNICIPAL UTILITIES | KY0760030 | Kentucky | Community | 9,972 |
| WATERTOWN WATER & SEWER AUTHORITY | CT1530021 | Connecticut | Community | 9,972 |
| FAIRVIEW, CITY OF | OR4100296 | Oregon | Community | 9,963 |
| WEST MANCHESTER TWP AUTH | PA7670101 | Pennsylvania | Community | 9,960 |
| MARYSVILLE, CITY OF | MI0004160 | Michigan | Community | 9,959 |
| LUCY BRANCH WATER PLANT | FL2100693 | Florida | Community | 9,957 |
| CEDARTOWN | GA2330000 | Georgia | Community | 9,955 |
| SOUTHLAKE UTILITIES | FL3354916 | Florida | Community | 9,950 |
| STEAMBOAT SPRINGS CITY OF | CO0154725 | Colorado | Community | 9,950 |
| CAL-AM WATER COMPANY - EAST PASADENA | CA1910020 | California | Community | 9,949 |
| NEWBERRY CITY OF (3610001) | SC3610001 | South Carolina | Community | 9,947 |
| STANLY CO-WEST STANLY DIST | NC0184035 | North Carolina | Community | 9,939 |
| GREEN VALLEY CAMPGROUND | CA3600011 | California | Transient Non-Community | 9,939 |
| MILWAUKEE COUNTY GROUNDS | WI2410778 | Wisconsin | Community | 9,936 |
| TRUMBULL CO. - SOUTHEAST PWS | OH7803203 | Ohio | Community | 9,931 |
| DANDRIDGE WATER MGMT FACILITY | TN0000170 | Tennessee | Community | 9,931 |
| COCOS | PR0004895 | Community | 9,930 | |
| CITY OF FULTON | MS0290003 | Mississippi | Community | 9,929 |
| GUTHRIE | OK1020903 | Oklahoma | Community | 9,925 |
| HAVRE CITY OF | MT0000524 | Montana | Community | 9,921 |
| SAUK | IL0312790 | Illinois | Community | 9,921 |
| MUSKEGON HEIGHTS | MI0004580 | Michigan | Community | 9,917 |
| HOWELL, CITY OF | MI0003250 | Michigan | Community | 9,914 |
| LAKE HENSHAW RESORT INC. | CA3700900 | California | Community | 9,913 |
| CITY OF YAZOO CITY | MS0820014 | Mississippi | Community | 9,913 |
| MOUNDSVILLE | WV3302611 | West Virginia | Community | 9,911 |
| GREAT BASIN WATER CO COLD SPRINGS | NV0000207 | Nevada | Community | 9,910 |
| HUMBOLDT UTILITIES-WATER DEPT | TN0000314 | Tennessee | Community | 9,908 |
| GREENWOOD WATERWORKS | AR0000504 | Arkansas | Community | 9,905 |
| BBP WATER COMPANY | IN5260001 | Indiana | Community | 9,903 |
| DOWNINGTOWN WATER AUTHORITY | PA1150026 | Pennsylvania | Community | 9,900 |
| TAYLOR-WEST WEBER WID | UTAH29019 | Utah | Community | 9,900 |
| EAST GREENWICH TWP WATER DEPT | NJ0803001 | New Jersey | Community | 9,900 |
| PEASE TRADE PORT | NH1951020 | New Hampshire | Community | 9,900 |
| DECATUR WATER DEPARTMENT | IN5201002 | Indiana | Community | 9,900 |
| PATASKALA CITY | OH4502512 | Ohio | Community | 9,900 |
| BERLIN TOWNSHIP | MI0000635 | Michigan | Community | 9,900 |
| SNAKE RIVER WD | CO0159105 | Colorado | Community | 9,900 |