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 |
|---|---|---|---|---|
| LAGUNA MADRE WATER DISTRICT | TX0310005 | Texas | Community | 46,674 |
| ATTLEBORO WATER DEPT | MA4016000 | Massachusetts | Community | 46,654 |
| PRATTVILLE, THE WW BOARD OF THE CITY OF | AL0000017 | Alabama | Community | 46,614 |
| ROCKETT SUD | TX0700033 | Texas | Community | 46,614 |
| O FALLON | IL1631100 | Illinois | Community | 46,603 |
| CITY OF CAMDEN | NJ0408001 | New Jersey | Community | 46,585 |
| CHARLOTTESVILLE, CITY OF | VA2540500 | Virginia | Community | 46,553 |
| CAGUAS NORTE | PR0005086 | PR | Community | 46,530 |
| COLTON, CITY OF | CA3610014 | California | Community | 46,525 |
| NORWOOD | FL2160816 | Florida | Community | 46,520 |
| SALINA, CITY OF | KS2016914 | Kansas | Community | 46,481 |
| ELKHART PUBLIC WORKS AND UTILITIES | IN5220008 | Indiana | Community | 46,455 |
| MEDINA CO/NORTHWEST PWS | OH5201903 | Ohio | Community | 46,324 |
| AQUA OHIO - MARION | OH5100414 | Ohio | Community | 46,317 |
| CITY OF KELLER | TX2200096 | Texas | Community | 46,308 |
| ARLINGTON WATER DEPT. (MWRA) | MA3010000 | Massachusetts | Community | 46,308 |
| BELLFLOWER - SOMERSET MWC | CA1910013 | California | Community | 46,300 |
| SEBRING WATER ; SEWER SYSTEM | FL6280250 | Florida | Community | 46,295 |
| PORTAGE | MI0005520 | Michigan | Community | 46,292 |
| CITY OF HALTOM CITY | TX2200014 | Texas | Community | 46,260 |
| FREDERICK WATER | VA2069250 | Virginia | Community | 46,206 |
| GORDONS CORNER WATER CO | NJ1326001 | New Jersey | Community | 46,196 |
| DUNEDIN WATER SYSTEM | FL6520486 | Florida | Community | 46,161 |
| SALISBURY-ROWAN | NC0180010 | North Carolina | Community | 46,156 |
| FLOYD COUNTY | GA1150001 | Georgia | Community | 46,143 |
| IL AMERICAN-ALTON | IL1195150 | Illinois | Community | 46,127 |
| BRAZORIA COUNTY MUD 18 | TX0200582 | Texas | Community | 46,000 |
| NESHAMINY CREEK WATER PLANT | PA1090110 | Pennsylvania | Community | 46,000 |
| OKLAHOMA CITY OVERHOLSER | OK1020502 | Oklahoma | Community | 46,000 |
| CLEVELAND HEIGHTS CITY PWS | OH1800403 | Ohio | Community | 46,000 |
| ELLICOTT CITY | MD0130003 | Maryland | Community | 46,000 |
| WASHINGTON CITY | UTAH27021 | Utah | Community | 45,865 |
| WOONSOCKET WATER DIVISION | RI1559518 | Rhode Island | Community | 45,828 |
| RANDOLPH/HOLBROOK JOINT WATER BOARD | MA4244001 | Massachusetts | Community | 45,767 |
| BRUNSWICK REGIONAL WATER AND SEWER H2GO | NC0410070 | North Carolina | Community | 45,748 |
| OPELIKA, WW BD. OF THE CITY OF | AL0000816 | Alabama | Community | 45,621 |
| URBANDALE WATER UTILITY | IA7780042 | Iowa | Community | 45,605 |
| RIVERTON CITY WATER SYSTEM | UTAH18025 | Utah | Community | 45,600 |
| ROME | GA1150002 | Georgia | Community | 45,586 |
| INDIANA AMERICAN WATER - NOBLESVILLE | IN5229015 | Indiana | Community | 45,575 |
| METROPOLITAN DWID | AZ0410076 | Arizona | Community | 45,570 |
| CITY OF SAN JOSE - NSJ/ALVISO | CA4310019 | California | Community | 45,559 |
| EVESHAM MUA | NJ0313001 | New Jersey | Community | 45,538 |
| SOUTH BRUNSWICK TWP W DI | NJ1221004 | New Jersey | Community | 45,450 |
| CITY OF THE COLONY | TX0610081 | Texas | Community | 45,367 |
| SAYREVILLE W DEPT | NJ1219001 | New Jersey | Community | 45,345 |
| WEIR RIVER WATER SYSTEM | MA4131000 | Massachusetts | Community | 45,339 |
| Central ASG | AS9711948 | AS | Community | 45,315 |
| WALTON CO. WATER & SEWER AUTH. | GA2970008 | Georgia | Community | 45,230 |
| NORTH SUMTER UTILITY 3WPS | FL6605012 | Florida | Community | 45,214 |