Browse Water Systems
433,698 public water systems.
Public Water Systems Database
Browse 433,698 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 |
|---|---|---|---|---|
| QUINT-MAR WATER AUTHORITY | AL0001508 | Alabama | Community | 8,703 |
| CLARENDON HILLS | IL0430250 | Illinois | Community | 8,702 |
| GRAND LEDGE, CITY OF | MI0002770 | Michigan | Community | 8,701 |
| Thief River Falls | MN1570003 | Minnesota | Community | 8,701 |
| DOYLESTOWN BORO WATER DEPT | PA1090081 | Pennsylvania | Community | 8,700 |
| DELTA CITY OF | CO0115205 | Colorado | Community | 8,700 |
| U.S. NAVAL ACADEMY | MD0020042 | Maryland | Community | 8,700 |
| LAMAR COUNTY W.S.C. | TX1390009 | Texas | Community | 8,700 |
| OYSTER BAY WD | NY2902844 | New York | Community | 8,700 |
| MANALAPAN TWP - KNOB HILL | NJ1326002 | New Jersey | Community | 8,700 |
| NORTH JACKSON COUNTY WATER AUTHORITY | AL0000723 | Alabama | Community | 8,700 |
| DACUSVILLE-CEDAR ROCK WT CO (SC3920008) | SC3920008 | South Carolina | Community | 8,700 |
| TRACT 349 MUTUAL WATER CO. | CA1910160 | California | Community | 8,700 |
| MUNICIPAL WATER AUTH ADAMS TWP | PA5100141 | Pennsylvania | Community | 8,700 |
| SRNS LLC A-AREA (SC0230501) | SC0230501 | South Carolina | Non-Transient Non-Community | 8,700 |
| CITY OF LAGO VISTA | TX2270092 | Texas | Community | 8,698 |
| ANTHONY W&SD | NM3511207 | New Mexico | Community | 8,691 |
| QUANTICO MCB-CAMP BARRETT | VA6153060 | Virginia | Community | 8,689 |
| SHEBOYGAN FALLS UTILITIES | WI4600455 | Wisconsin | Community | 8,687 |
| GREEN VALLEY DWID | AZ0410157 | Arizona | Community | 8,687 |
| HARRIS COUNTY MUD 132 | TX1010616 | Texas | Community | 8,682 |
| MO AMERICAN TRI STATE | MO5024601 | Missouri | Community | 8,680 |
| MDWASA-AVENTURA SYSTEM | FL4130872 | Florida | Community | 8,680 |
| BUENA VISTA TOWNSHIP | MI0000980 | Michigan | Community | 8,676 |
| ARLEY WATER WORKS | AL0001403 | Alabama | Community | 8,673 |
| PEWAUKEE CITY WATER AND SEWER UTILITY | WI2680214 | Wisconsin | Community | 8,671 |
| MARBURY WATER SYSTEM, INC. | AL0000013 | Alabama | Community | 8,670 |
| TOWN OF ORANGE PARK | FL2101182 | Florida | Community | 8,668 |
| KINGSBRIDGE MUD | TX0790158 | Texas | Community | 8,663 |
| CALDWELL COUNTY WATER--WEST | NC0114045 | North Carolina | Community | 8,662 |
| GRETNA, CITY OF | NE3115303 | Nebraska | Community | 8,661 |
| HOOSIER HILLS REGIONAL WATER DISTRICT | IN5269002 | Indiana | Community | 8,660 |
| BYRDSTOWN WATER DEPARTMENT | TN0000088 | Tennessee | Community | 8,658 |
| INDIANA AMERICAN WATER - CHARLESTOWN | IN5210003 | Indiana | Community | 8,658 |
| LDC Laguna Rt 66 Casino | 063506111 | New Mexico | Non-Transient Non-Community | 8,658 |
| ARIZONA WATER CO - MIAMI CLAYPOOL | AZ0404002 | Arizona | Community | 8,656 |
| DTMA MAIN SYSTEM | PA1090128 | Pennsylvania | Community | 8,655 |
| AQUA NJ - LAWRENCE | NJ1107002 | New Jersey | Community | 8,655 |
| SOUTHWESTERN BARTHOLOMEW WATER CORP. | IN5203008 | Indiana | Community | 8,652 |
| CITY OF BROWNFIELD | TX2230001 | Texas | Community | 8,652 |
| MT CITY WATER COMPANY | PA3540013 | Pennsylvania | Community | 8,650 |
| WEST FRANKFORT | IL0550700 | Illinois | Community | 8,650 |
| CHANUTE, CITY OF | KS2013307 | Kansas | Community | 8,642 |
| WINFIELD WATER WORKS & SEWER BOARD | AL0000930 | Alabama | Community | 8,631 |
| GREEN POND WATER SYSTEM | AL0000093 | Alabama | Community | 8,631 |
| RURAL MEMBERSHIP WATER CORP. OF CLARK CO | IN5210009 | Indiana | Community | 8,630 |
| WEST OVERTON UTILITY DISTRICT | TN0000578 | Tennessee | Community | 8,628 |
| NAVAL BASE VENTURA COUNTY, PORT HUENEME | CA5610701 | California | Community | 8,625 |
| MONONA WATERWORKS | WI1130245 | Wisconsin | Community | 8,624 |
| ROCK FALLS | IL1950450 | Illinois | Community | 8,620 |