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 |
|---|---|---|---|---|
| WARREN COUNTY UTILITY DISTRICT | TN0000818 | Tennessee | Community | 29,827 |
| WINCHESTER MUNICIPAL UTILITIES | KY0250473 | Kentucky | Community | 29,823 |
| UPPER SMITH RIVER WATER SUPPLY | VA5089852 | Virginia | Community | 29,721 |
| EJ WATER COOPERATIVE | IL0790010 | Illinois | Community | 29,720 |
| CITY OF CONVERSE | TX0150047 | Texas | Community | 29,709 |
| SOMERSET WATER SERVICE | KY1000403 | Kentucky | Community | 29,700 |
| MADISON HEIGHTS | MI0004000 | Michigan | Community | 29,694 |
| CITY OF FORNEY | TX1290002 | Texas | Community | 29,692 |
| CLAYTON, TOWN OF | NC0351020 | North Carolina | Community | 29,689 |
| KENT CITY PWS | OH6701812 | Ohio | Community | 29,662 |
| OAK PARK | MI0004880 | Michigan | Community | 29,654 |
| CHEROKEE MD | CO0121125 | Colorado | Community | 29,610 |
| CITY OF GREENVILLE | MS0760004 | Mississippi | Community | 29,602 |
| REGIONAL WATER AUTHORITY-ANSONIA | CT0020021 | Connecticut | Community | 29,600 |
| MATTAPOISETT RIVER VALLEY W.D. | MA4173001 | Massachusetts | Community | 29,600 |
| SAN JUAN WATER DISTRICT | CA3410021 | California | Community | 29,598 |
| PARKLAND LIGHT & WATER COMPANY | WA5366200 | Washington | Community | 29,595 |
| NORTH KONA | HI0000131 | Hawaii | Community | 29,581 |
| CITY OF HUTTO | TX2460007 | Texas | Community | 29,580 |
| FOREST GLEN RESORT-CABIN #2 | MI7720293 | Michigan | Transient Non-Community | 29,577 |
| NORTHAMPTON WATER DIVISION | MA1214000 | Massachusetts | Community | 29,571 |
| WELLESLEY WATER DIVISION | MA3317000 | Massachusetts | Community | 29,550 |
| CITY OF EAST PALO ALTO | CA4110024 | California | Community | 29,519 |
| COLLINSVILLE | IL1194280 | Illinois | Community | 29,500 |
| NUTLEY WATER DEPT | NJ0716001 | New Jersey | Community | 29,500 |
| MARLBORO TOWNSHIP WATER UTILITY DIVISION | NJ1328002 | New Jersey | Community | 29,480 |
| CITY OF ATWATER | CA2410001 | California | Community | 29,479 |
| NORTH RIDGEVILLE CITY PWS | OH4700803 | Ohio | Community | 29,465 |
| ITHACA CITY | NY5404416 | New York | Community | 29,457 |
| WOODBURN, CITY OF | OR4100959 | Oregon | Community | 29,455 |
| MIFFLIN CNTY MUNI AUTH | PA4440010 | Pennsylvania | Community | 29,432 |
| OSWEGO CITY | NY3704361 | New York | Community | 29,400 |
| VEOLIA WATER PA INC BLOOMSBURG | PA4190008 | Pennsylvania | Community | 29,382 |
| ZANESVILLE PWS | OH6002712 | Ohio | Community | 29,381 |
| ALBERTVILLE, MUNICIPAL UB OF THE CITY OF | AL0000933 | Alabama | Community | 29,367 |
| MELROSE WATER DIVISION (MWRA) | MA3178000 | Massachusetts | Community | 29,357 |
| FLORENCE WATER & SEWER | KY0080135 | Kentucky | Community | 29,351 |
| NILES | IL0312010 | Illinois | Community | 29,350 |
| CITY OF FATE | TX1990006 | Texas | Community | 29,285 |
| STOUGHTON WATER DEPARTMENT | MA4285000 | Massachusetts | Community | 29,281 |
| CITY CORPORATION | AR0000446 | Arkansas | Community | 29,260 |
| HUBER HEIGHTS-PLANT #1 | OH5702012 | Ohio | Community | 29,250 |
| ST. SIMONS ISLAND | GA1270001 | Georgia | Community | 29,249 |
| CITY OF VICKSBURG | MS0750010 | Mississippi | Community | 29,238 |
| DANVERS AND MIDDLETON | MA3017000 | Massachusetts | Community | 29,224 |
| CITRUS CO UTL/CHARLES A. BLACK | FL6094948 | Florida | Community | 29,218 |
| EDGEFIELD CO W&SA (1920001) | SC1920001 | South Carolina | Community | 29,200 |
| ZEPHYRHILLS CITY OF | FL6512020 | Florida | Community | 29,117 |
| SUISUN-SOLANO WATER AUTHORITY | CA4810005 | California | Community | 29,105 |
| Pechanga | 090605013 | California | Community | 29,100 |