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 |
|---|---|---|---|---|
| OAKLAND WATER DEPT | NJ0242001 | New Jersey | Community | 12,754 |
| JERSEY RWC | IL0835300 | Illinois | Community | 12,750 |
| HERRIN | IL1990400 | Illinois | Community | 12,747 |
| DUNKIRK CITY | NY0600360 | New York | Community | 12,743 |
| BROWN DEER WATERWORKS | WI2410556 | Wisconsin | Community | 12,741 |
| CONWAY RURAL (SC2620001) | SC2620001 | South Carolina | Community | 12,740 |
| BIG BEAR CITY CSD | CA3610008 | California | Community | 12,738 |
| EATONTON PUTNAM WATER & SEWER AUTH | GA2370000 | Georgia | Community | 12,736 |
| HORN LAKE WATER ASSOCIATION | MS0170010 | Mississippi | Community | 12,735 |
| CITY OF HORSESHOE BAY | TX1500015 | Texas | Community | 12,729 |
| DIBERVILLE W/S | MS0240002 | Mississippi | Community | 12,721 |
| ARGYLE WSC | TX0610019 | Texas | Community | 12,720 |
| NEW BALTIMORE, CITY OF | MI0004670 | Michigan | Community | 12,720 |
| UWF: JAX HEIGHTS WS | FL2160565 | Florida | Community | 12,719 |
| KIMZEY REGIONAL WATER DISTRICT | AR0000821 | Arkansas | Community | 12,718 |
| MEDFIELD WATER DEPT. | MA2175000 | Massachusetts | Community | 12,713 |
| BOONE WATER WORKS | IA0819033 | Iowa | Community | 12,704 |
| BARABOO WATERWORKS | WI1570085 | Wisconsin | Community | 12,703 |
| CITY OF MORGAN CITY WATER SYSTEM | LA1101005 | Louisiana | Community | 12,703 |
| CITY OF GROVER BEACH PUBLIC WORKS DEPT | CA4010004 | California | Community | 12,701 |
| ARCHDALE, CITY OF | NC0276030 | North Carolina | Community | 12,700 |
| SHOREWOOD WATER CORP | NY5103244 | New York | Community | 12,700 |
| GREENCASTLE DEPARTMENT OF WATER | IN5267004 | Indiana | Community | 12,699 |
| FRED DEITZ | IN2110104 | Indiana | Transient Non-Community | 12,696 |
| JEFFERSON | GA1570003 | Georgia | Community | 12,690 |
| BEAUREGARD WATER AUTHORITY | AL0000805 | Alabama | Community | 12,684 |
| HOPKINTON WATER DEPARTMENT | MA2139000 | Massachusetts | Community | 12,680 |
| KALAHEO-KOLOA | HI0000434 | Hawaii | Community | 12,660 |
| LINDSAY, CITY OF | CA5410006 | California | Community | 12,659 |
| CITY OF LEVELLAND | TX1100002 | Texas | Community | 12,652 |
| CAMP PENDLETON (NORTH) | CA3710700 | California | Community | 12,651 |
| GREENSBURG MUNICIPAL WATER WORKS | IN5216002 | Indiana | Community | 12,650 |
| BRANSON PWS | MO5010096 | Missouri | Community | 12,640 |
| WESTERN ROCKCASTLE WATER ASSOC | KY1020891 | Kentucky | Community | 12,623 |
| GLEN CARBON | IL1190300 | Illinois | Community | 12,618 |
| OTTAWA, CITY OF | KS2005906 | Kansas | Community | 12,604 |
| HOLTVILLE WATER SYSTEM | AL0000540 | Alabama | Community | 12,600 |
| GULFPORT WATER SYSTEM | FL6520705 | Florida | Community | 12,600 |
| PLANO | IL0930200 | Illinois | Community | 12,600 |
| TOMBALL ISD CYPRESS ROSEHILL PLANT | TX1013679 | Texas | Non-Transient Non-Community | 12,600 |
| MDWASA-SO MIAMI HEIGHTS SYSTEM | FL4130879 | Florida | Community | 12,600 |
| MANTUA TOWNSHIP MUA | NJ0810004 | New Jersey | Community | 12,600 |
| FULTON PWS | MO3010296 | Missouri | Community | 12,600 |
| OAK ISLAND TOWN OF | NC0410015 | North Carolina | Community | 12,600 |
| BEAR VALLEY JOINT AUTH | PA7280043 | Pennsylvania | Community | 12,589 |
| EAST LIVERPOOL CITY | OH1500811 | Ohio | Community | 12,586 |
| WARD WATERWORKS | AR0000345 | Arkansas | Community | 12,579 |
| DIAMONDHEAD UTILITIES-NORTH | MS0230005 | Mississippi | Community | 12,577 |
| WEST WILKES WTR ASSOCIATION INC | NC0197020 | North Carolina | Community | 12,573 |
| DAN RIVER WATER INC | NC0279040 | North Carolina | Community | 12,573 |