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 |
|---|---|---|---|---|
| CITY OF WESTMINSTER | CA3010064 | California | Community | 90,911 |
| CITY OF SUGAR LAND | TX0790005 | Texas | Community | 90,909 |
| LIMESTONE COUNTY WATER & SEWER AUTH. | AL0000833 | Alabama | Community | 90,900 |
| SANTA FE WATER SYSTEM (CITY OF) | NM3505126 | New Mexico | Community | 90,810 |
| SALEM AND BEVERLY WATER SUPPLY BOARD | MA3030001 | Massachusetts | Community | 90,330 |
| MACOMB TOWNSHIP | MI0003990 | Michigan | Community | 90,000 |
| Brooklyn Park | MN1270005 | Minnesota | Community | 89,995 |
| SANTA MONICA-CITY, WATER DIVISION | CA1910146 | California | Community | 89,947 |
| ROCK HILL CITY OF (SC4610002) | SC4610002 | South Carolina | Community | 89,850 |
| SOUTH JORDAN CITY | UTAH18023 | Utah | Community | 89,704 |
| CLEAR LAKE CITY WATER AUTHORITY | TX1010056 | Texas | Community | 89,702 |
| CITY OF REDDING | CA4510005 | California | Community | 89,628 |
| PLACER CWA - FOOTHILL | CA3110025 | California | Community | 89,544 |
| SJWD MIDDLE TYGER WTP (SC4220006) | SC4220006 | South Carolina | Community | 89,531 |
| NORTH MIAMI, CITY OF | FL4130977 | Florida | Community | 89,349 |
| CITY OF MANSFIELD | TX2200018 | Texas | Community | 89,227 |
| MO AMERICAN ST JOSEPH | MO1010714 | Missouri | Community | 89,171 |
| LAWRENCE WATER WORKS | MA3149000 | Massachusetts | Community | 89,143 |
| NEWTON WATER DEPT. (MWRA) | MA3207000 | Massachusetts | Community | 88,931 |
| PA AMERICAN NORRISTOWN | PA1460046 | Pennsylvania | Community | 88,885 |
| PENNICHUCK WATER WORKS | NH1621010 | New Hampshire | Community | 88,853 |
| MARYSVILLE UTILITIES | WA5351900 | Washington | Community | 88,582 |
| BEAVERTON, CITY OF | OR4100081 | Oregon | Community | 88,045 |
| WINTER HAVEN WATER DEPARTMENT | FL6531992 | Florida | Community | 87,537 |
| DAYTONA BEACH, CITY OF | FL3640275 | Florida | Community | 87,534 |
| EPCOR - SAN TAN | AZ0411128 | Arizona | Community | 87,435 |
| OGDEN CITY WATER SYSTEM | UTAH29011 | Utah | Community | 87,267 |
| ROCKDALE CO. WATER SYSTEM | GA2470000 | Georgia | Community | 87,156 |
| WAUKEGAN | IL0971900 | Illinois | Community | 87,149 |
| WEST WILSON UTILITY DISTRICT | TN0000743 | Tennessee | Community | 86,978 |
| CITY OF CEDAR PARK | TX2460009 | Texas | Community | 86,939 |
| FAYETTE COUNTY | GA1130001 | Georgia | Community | 86,934 |
| Duluth | MN1690011 | Minnesota | Community | 86,859 |
| INDIANA AMERICAN WATER - JOHNSON COUNTY | IN5241005 | Indiana | Community | 86,813 |
| GREENBURGH CONSOLIDATED WD #1 | NY5903429 | New York | Community | 86,624 |
| ORANGE WATER & SEWER AUTHORITY | NC0368010 | North Carolina | Community | 86,500 |
| OLIVENHAIN MWD | CA3710029 | California | Community | 86,458 |
| CHINO, CITY OF | CA3610012 | California | Community | 86,435 |
| AQUA WSC | TX0110013 | Texas | Community | 86,325 |
| FORT SMITH WATER UTILITIES | AR0000507 | Arkansas | Community | 86,209 |
| BESSEMER WATER SERVICE | AL0000737 | Alabama | Community | 86,091 |
| WESTERN MWD | CA3310049 | California | Community | 86,062 |
| CITY OF BAYTOWN | TX1010003 | Texas | Community | 86,004 |
| FKAA J. ROBERT DEAN W.T.P. | FL4134357 | Florida | Community | 86,000 |
| HARLINGEN WATER WORKS SYSTEM | TX0310002 | Texas | Community | 85,900 |
| TROY | MI0006690 | Michigan | Community | 85,854 |
| SIOUX CITY WATER SUPPLY | IA9778054 | Iowa | Community | 85,791 |
| LATHAM WATER DISTRICT | NY0100198 | New York | Community | 85,590 |
| PLANTATION, EAST ; CENTRAL | FL4061121 | Florida | Community | 85,496 |
| WESTLAND | MI0007040 | Michigan | Community | 85,420 |