Browse Water Systems
433,347 public water systems.
Public Water Systems Database
Browse 433,347 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 |
|---|---|---|---|---|
| SANTA CLARITA VALLEY W.A.-SANTA CLARITA | CA1910017 | California | Community | 135,281 |
| JURUPA COMMUNITY SD | CA3310021 | California | Community | 135,093 |
| PORTLAND WATER DISTRICT-GREATER | ME0091300 | Maine | Community | 135,068 |
| LIBERTY UTILITIES NEW YORK - MERRICK | NY2902840 | New York | Community | 135,000 |
| SOUTHERN GULF UTILITIES | FL4431792 | Florida | Community | 135,000 |
| PA AMER WATER CO LAKE SCRANTON | PA2359008 | Pennsylvania | Community | 134,570 |
| ARIZONA WATER CO - PINAL VALLEY | AZ0411009 | Arizona | Community | 134,432 |
| WARREN, CITY OF | MI0006900 | Michigan | Community | 134,056 |
| NJ AMERICAN WATER - LIBERTY | NJ2004001 | New Jersey | Community | 134,000 |
| CLERMONT PUBLIC WATER SYSTEM | OH1302212 | Ohio | Community | 133,059 |
| MAWC YOUGH PLANT | PA5260036 | Pennsylvania | Community | 133,000 |
| FALLS CHURCH, CITY OF | VA6610100 | Virginia | Community | 132,776 |
| TEST | FL1034167 | Community | 132,456 | |
| VISTA IRRIGATION DISTRICT | CA3710027 | California | Community | 132,430 |
| GREELEY CITY OF | CO0162321 | Colorado | Community | 132,310 |
| EL DORADO ID - MAIN | CA0910001 | California | Community | 132,171 |
| WEST PALM BEACH WTP | FL4501559 | Florida | Community | 132,000 |
| IL AMERICAN-EAST ST LOUIS | IL1635040 | Illinois | Community | 131,368 |
| CITY OF SANTA CLARA | CA4310012 | California | Community | 130,746 |
| CITY OF ROUND ROCK | TX2460003 | Texas | Community | 130,662 |
| YOUNGSTOWN CITY PWS | OH5002303 | Ohio | Community | 130,530 |
| WHITE HOUSE UTILITY DISTRICT | TN0000745 | Tennessee | Community | 130,411 |
| CITY OF CLOVIS | CA1010003 | California | Community | 130,130 |
| MACON WATER AUTHORITY | GA0210001 | Georgia | Community | 130,024 |
| PHILADELPHIA SUBURBAN WATER CO | PA1150163 | Pennsylvania | Community | 130,000 |
| BOCA RATON WTP | FL4500130 | Florida | Community | 130,000 |
| CITY OF LEAGUE CITY | TX0840007 | Texas | Community | 128,412 |
| ORANGE PARK GRID | FL2100741 | Florida | Community | 127,904 |
| EPCOR - AGUA FRIA | AZ0407695 | Arizona | Community | 127,718 |
| MIRAMAR (EAST ; WEST) PLANTS | FL4060925 | Florida | Community | 127,700 |
| LOUISVILLE WATER CO/PAYNE | KY0560732 | Kentucky | Community | 127,455 |
| WESTERN PENNSYLVANIA WATER CO | PA5020042 | Pennsylvania | Community | 127,000 |
| NJ AMERICAN WATER - OCEAN CITY | NJ0508001 | New Jersey | Community | 127,000 |
| STERLING HEIGHTS, CITY OF | MI0006385 | Michigan | Community | 127,000 |
| INDIAN RIVER COUNTY UTILITIES (2 WTPS) | FL3314052 | Florida | Community | 126,893 |
| PALMDALE WATER DIST. | CA1910102 | California | Community | 126,804 |
| CITY OF COLUMBIA UTILITIES | MO3010181 | Missouri | Community | 126,254 |
| MVWA - MOHAWK VALLEY WATER AUTHORITY | NY3202411 | New York | Community | 126,250 |
| TOPEKA, CITY OF | KS2017701 | Kansas | Community | 125,963 |
| CITY OF PEARLAND | TX0200008 | Texas | Community | 125,828 |
| CITY OF ABILENE | TX2210001 | Texas | Community | 125,182 |
| WILKINSBURG-PENN JT WATER AUTH | PA5020056 | Pennsylvania | Community | 125,000 |
| ATHENS-CLARKE CO WATER SYSTEM | GA0590000 | Georgia | Community | 125,000 |
| COLUMBIA COUNTY | GA0730000 | Georgia | Community | 124,763 |
| AGUADILLA | PR0003293 | PR | Community | 123,885 |
| STAFFORD COUNTY UTILITIES | VA6179100 | Virginia | Community | 123,684 |
| CWSC SALINAS | CA2710010 | California | Community | 123,679 |
| Rochester | MN1550010 | Minnesota | Community | 123,624 |
| MANCHESTER WATER WORKS | NH1471010 | New Hampshire | Community | 123,500 |
| CITY OF ODESSA | TX0680002 | Texas | Community | 123,334 |