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 |
|---|---|---|---|---|
| ST. LUCIE WEST SERVICES DISTRICT | FL4565031 | Florida | Community | 21,400 |
| GWA CENTRAL WATER SYSTEM | GU0000003 | GU | Community | 21,398 |
| EAST MOLINE | IL1610250 | Illinois | Community | 21,374 |
| ASSUMPTION PARISH WW DISTRICT 1 | LA1007001 | Louisiana | Community | 21,366 |
| SOUTH MILWAUKEE WATERWORKS | WI2410144 | Wisconsin | Community | 21,340 |
| BOB SMITH | AK2210029 | Alaska | Community | 21,320 |
| MAINE WATER COMPANY CAMDEN & ROCKLAND | ME0090300 | Maine | Community | 21,315 |
| THOMSON-MCDUFFIE CO W&S COMM | GA1890001 | Georgia | Community | 21,312 |
| LEEDS WATER WORKS BOARD | AL0000753 | Alabama | Community | 21,300 |
| HELENA, THE UB OF THE CITY OF | AL0001157 | Alabama | Community | 21,300 |
| GARDNER WATER DEPARTMENT | MA2103000 | Massachusetts | Community | 21,287 |
| GRAYSLAKE | IL0970250 | Illinois | Community | 21,248 |
| GENEVA | IL0890350 | Illinois | Community | 21,247 |
| LAWRENCEBURG UTILITY SYSTEMS | TN0000392 | Tennessee | Community | 21,244 |
| MILTON, CITY OF WATER SYSTEM | FL1570146 | Florida | Community | 21,241 |
| CUMBERLAND, TOWN OF | RI1647530 | Rhode Island | Community | 21,235 |
| WINDERMERE COMMUNITY | TX2270161 | Texas | Community | 21,231 |
| WEST RICHLAND CITY OF | WA5394900 | Washington | Community | 21,231 |
| RIDGEFIELD PUBLIC WORKS | WA5372400 | Washington | Community | 21,225 |
| BLACKMAN TOWNSHIP | MI0000740 | Michigan | Community | 21,222 |
| CONSOLIDATED IRRIG DIST 19 SYSTEM 2 | WA5310221 | Washington | Community | 21,220 |
| WINDHAM WATER WORKS | CT1630011 | Connecticut | Community | 21,214 |
| QUEENSBURY WATER DISTRICT | NY5600114 | New York | Community | 21,200 |
| MIDWAY WATER SYSTEM, INC. | FL1570470 | Florida | Community | 21,196 |
| HAMMOND W/D (SC0420007) | SC0420007 | South Carolina | Community | 21,193 |
| POOLER | GA0510001 | Georgia | Community | 21,187 |
| CULPEPER, TOWN OF | VA6047500 | Virginia | Community | 21,184 |
| CREST HILL | IL1970250 | Illinois | Community | 21,169 |
| LOCKPORT CITY WTP | NY3100564 | New York | Community | 21,165 |
| ENERGY UNITED WATER CORP | NC0102015 | North Carolina | Community | 21,148 |
| SAN LORENZO VALLEY WATER DIST | CA4410014 | California | Community | 21,145 |
| WINTER SPRINGS EAST(TUSKAWILLA) | FL3591394 | Florida | Community | 21,137 |
| CITY OF HAMMOND WATER SYSTEM | LA1105009 | Louisiana | Community | 21,135 |
| HOWARD WATERWORKS | WI4050468 | Wisconsin | Community | 21,133 |
| JEFFERSON COUNTY PWSD 1 | MO6024292 | Missouri | Community | 21,113 |
| LOCKPORT TOWN WDS | NY3100563 | New York | Community | 21,105 |
| PLAINVIEW MUNICIPAL WATER SYSTEM | TX0950004 | Texas | Community | 21,104 |
| DOVER TWP WATER SYS | PA7670073 | Pennsylvania | Community | 21,097 |
| CITY OF MURPHY | TX0430042 | Texas | Community | 21,082 |
| OCOEE UTILITY DISTRICT | TN0000525 | Tennessee | Community | 21,082 |
| CITY OF ALAMO | TX1080001 | Texas | Community | 21,065 |
| Willmar | MN1340016 | Minnesota | Community | 21,045 |
| HAYS, CITY OF | KS2005111 | Kansas | Community | 21,040 |
| VERO BEACH, CITY OF | FL4310206 | Florida | Community | 21,024 |
| OHIO-AMER.WATER CO,TIFFIN DIST | OH7400611 | Ohio | Community | 21,000 |
| UNION TOWN WATER SYSTEM NO. 1 | NY0320536 | New York | Community | 21,000 |
| MARTIN CO UTIL MARTIN DOWNS | FL4434383 | Florida | Community | 21,000 |
| CANAL GRID | FL2161126 | Florida | Community | 21,000 |
| MARTIN CO UTIL VISTA SALERNO | FL4431490 | Florida | Community | 21,000 |
| SALEM WATER DEPT | NH2051010 | New Hampshire | Community | 21,000 |