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 |
|---|---|---|---|---|
| BCWWS 1A | FL4060167 | Florida | Community | 75,305 |
| CITY OF GULFPORT | MS0240003 | Mississippi | Community | 75,056 |
| EAST ORANGE WATER COMMISSION | NJ0705001 | New Jersey | Community | 75,000 |
| HARVNDALE PLANT | MD0000081 | Maryland | Community | 75,000 |
| LORIMAR PARK | PA1460871 | Pennsylvania | Transient Non-Community | 75,000 |
| NEW DESIGN - FREDERICK COUNTY | MD0100030 | Maryland | Community | 74,911 |
| COMPTON-CITY, WATER DEPT. | CA1910026 | California | Community | 74,877 |
| CITY OF NORTH RICHLAND HILLS | TX2200063 | Texas | Community | 74,859 |
| DESERT WATER AGENCY | CA3310005 | California | Community | 74,807 |
| APPLETON WATERWORKS | WI4450333 | Wisconsin | Community | 74,511 |
| WAILUKU | HI0000212 | Hawaii | Community | 74,511 |
| AQUA OHIO - MENTOR | OH4301511 | Ohio | Community | 74,500 |
| EVANSTON | IL0310810 | Illinois | Community | 74,486 |
| NEWTON CO. WATER-SEWERAGE AUTH | GA2170004 | Georgia | Community | 74,364 |
| AUBURN, THE WW BOARD OF THE CITY OF | AL0000804 | Alabama | Community | 74,292 |
| SOOS CREEK WATER & SEWER DISTRICT | WA5340100 | Washington | Community | 74,172 |
| INDIANA AMERICAN WATER - MUNCIE | IN5218012 | Indiana | Community | 74,030 |
| ROCHESTER HILLS | MI0000325 | Michigan | Community | 74,000 |
| CALDWELL CITY OF | ID3140013 | Idaho | Community | 74,000 |
| IL AMERICAN-WEST SUBURBAN | IL1974151 | Illinois | Community | 73,978 |
| WEST DES MOINES WATER WORKS | IA7785007 | Iowa | Community | 73,959 |
| GRESHAM, CITY OF | OR4100357 | Oregon | Community | 73,932 |
| MOUNT VERNON WATER DEPARTMENT | NY5903441 | New York | Community | 73,893 |
| MO AMERICAN JOPLIN | MO5010413 | Missouri | Community | 73,728 |
| GENESEE COUNTY WATER SYSTEM | MI0002615 | Michigan | Community | 73,726 |
| NEW BRITAIN WATER DEPARTMENT | CT0890011 | Connecticut | Community | 73,534 |
| WATERFORD TOWNSHIP | MI0006910 | Michigan | Community | 73,441 |
| ARLINGTON HEIGHTS | IL0314030 | Illinois | Community | 73,320 |
| WARWICK-CITY OF | RI1615627 | Rhode Island | Community | 73,289 |
| RURAL LORAIN CO. WATER A | OH4701803 | Ohio | Community | 73,125 |
| MO AMERICAN ST CHARLES | MO6036238 | Missouri | Community | 73,000 |
| CITY OF SAN MARCOS | TX1050001 | Texas | Community | 72,970 |
| BREMERTON CITY OF | WA5308200 | Washington | Community | 72,951 |
| TURLOCK, CITY OF | CA5010019 | California | Community | 72,682 |
| LIBERTY UTILITIES - BELLFLOWER-NORWALK | CA1910211 | California | Community | 72,624 |
| LAS VIRGENES MWD | CA1910225 | California | Community | 72,602 |
| TONAWANDA, TOWN WATER DEPT. | NY1404556 | New York | Community | 72,571 |
| NORTH WALES WATER AUTHORITY | PA1460048 | Pennsylvania | Community | 72,496 |
| BISMARCK CITY OF | ND0800080 | North Dakota | Community | 72,417 |
| SUNRISE SAWGRASS | FL4061408 | Florida | Community | 72,400 |
| FRAMINGHAM WATER DEPT. (MWRA) | MA3100000 | Massachusetts | Community | 72,362 |
| TULARE, CITY OF | CA5410015 | California | Community | 72,241 |
| WINTER GARDEN WATER DEPT (3 WPS) | FL3481481 | Florida | Community | 72,205 |
| INDIVIDUAL WELL PLANT | MD0000080 | Maryland | Community | 72,204 |
| WYOMING | MI0007220 | Michigan | Community | 72,125 |
| DALE CITY | VA6153625 | Virginia | Community | 72,062 |
| RAPID CITY | SD4600406 | South Dakota | Community | 72,009 |
| STATE COLLEGE BORO WATER AUTH | PA4140096 | Pennsylvania | Community | 72,000 |
| SHELBY TOWNSHIP | MI0006010 | Michigan | Community | 72,000 |
| APOPKA, CITY OF (5 WTPS) | FL3480200 | Florida | Community | 71,917 |