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 |
|---|---|---|---|---|
| UPPER CAPE REGIONAL WATER COOPERATIVE | MA4261024 | Massachusetts | Community | 56,250 |
| COVINGTON WATER DISTRICT | WA5341650 | Washington | Community | 56,172 |
| TWIN FALLS CITY OF | ID5420058 | Idaho | Community | 56,121 |
| ROWLAND WATER DISTRICT | CA1910194 | California | Community | 56,100 |
| CITY OF PORT ARTHUR | TX1230009 | Texas | Community | 56,039 |
| MONTE VISTA WD | CA3610029 | California | Community | 56,017 |
| HEMPSTEAD (V) | NY2902827 | New York | Community | 56,000 |
| BOZEMAN CITY OF | MT0000161 | Montana | Community | 56,000 |
| CITY OF SOUTHAVEN | MS0170018 | Mississippi | Community | 56,000 |
| MIDWEST CITY | OK1020806 | Oklahoma | Community | 55,935 |
| ROCKY MOUNT, CITY OF | NC0464010 | North Carolina | Community | 55,891 |
| LIBERTY WATER LPSCO | AZ0407046 | Arizona | Community | 55,810 |
| CHICOPEE WATER DEPT (MWRA) | MA1061000 | Massachusetts | Community | 55,560 |
| LOGAN CITY WATER SYSTEM | UTAH03010 | Utah | Community | 55,540 |
| SARASOTA-CITY OF | FL6580326 | Florida | Community | 55,364 |
| ANDERSON WATER DEPARTMENT | IN5248002 | Indiana | Community | 55,212 |
| PARAMOUNT - CITY, WATER DEPT. | CA1910105 | California | Community | 55,200 |
| AMES WATER TREATMENT PLANT | IA8503039 | Iowa | Community | 55,177 |
| MOORE PUBLIC WORKS AUTHORITY | OK2001412 | Oklahoma | Community | 55,083 |
| TOWNSHIP OF WAYNE | NJ1614001 | New Jersey | Community | 55,000 |
| NEW BRUNSWICK W DEPT | NJ1214001 | New Jersey | Community | 55,000 |
| SOUTHGATE WSD | CO0103721 | Colorado | Community | 55,000 |
| LAUDERHILL, CITY OF | FL4060787 | Florida | Community | 55,000 |
| EAST MEADOW WATER DISTRICT | NY2902819 | New York | Community | 54,900 |
| CITY OF EAGLE PASS | TX1620001 | Texas | Community | 54,900 |
| GSWC - BELL, BELL GARDENS | CA1910011 | California | Community | 54,877 |
| CAL AM - SUBURBAN ROSEMONT | CA3410010 | California | Community | 54,793 |
| MANHATTAN, CITY OF | KS2016112 | Kansas | Community | 54,763 |
| KANNAPOLIS, CITY OF | NC0180065 | North Carolina | Community | 54,757 |
| PARRISH MOBILE HOME PARK | NC0332427 | North Carolina | Transient Non-Community | 54,750 |
| CASSELBERRY, CITY OF (3 WPS) | FL3590159 | Florida | Community | 54,747 |
| CONSOLIDATED MUTUAL WATER COMPANY | CO0130145 | Colorado | Community | 54,669 |
| BCWWS 2A | FL4060163 | Florida | Community | 54,622 |
| LAKE HAVASU CITY OF | AZ0408022 | Arizona | Community | 54,610 |
| OAK PARK | IL0312250 | Illinois | Community | 54,583 |
| WEST SIDE CONSOLIDATED | FL6421144 | Florida | Community | 54,542 |
| CITY OF LINCOLN | CA3110004 | California | Community | 54,538 |
| CERES, CITY OF | CA5010028 | California | Community | 54,513 |
| PEABODY WATER DEPT. | MA3229000 | Massachusetts | Community | 54,481 |
| Minnetonka | MN1270031 | Minnesota | Community | 54,474 |
| RIALTO, CITY OF | CA3610038 | California | Community | 54,453 |
| CITY OF TEXAS CITY | TX0840008 | Texas | Community | 54,357 |
| GREENWICH WATER CO | NY5903483 | New York | Community | 54,304 |
| COEUR D ALENE CITY OF | ID1280053 | Idaho | Community | 54,115 |
| MADISON, THE W & WW BOARD OF THE CITY OF | AL0000885 | Alabama | Community | 54,114 |
| FINDLAY CITY PWS | OH3200111 | Ohio | Community | 54,040 |
| CITY OF OLIVE BRANCH | MS0170015 | Mississippi | Community | 54,025 |
| ROSWELL MUNICIPAL WATER SYSTEM | NM3520203 | New Mexico | Community | 54,025 |
| GREER CPW (SC2310005) | SC2310005 | South Carolina | Community | 54,024 |
| CITY OF FREDERICK | MD0100015 | Maryland | Community | 54,000 |