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 |
|---|---|---|---|---|
| CAMDEN CITY OF (2810001) | SC2810001 | South Carolina | Community | 18,193 |
| CAYEY URBANO | PR0004635 | PR | Community | 18,185 |
| SAHUARITA WATER COMPANY | AZ0410312 | Arizona | Community | 18,178 |
| LAFAYETTE | GA2950002 | Georgia | Community | 18,177 |
| NORTHWEST PARK MUD | TX1010593 | Texas | Community | 18,168 |
| LCF WATER DISTRICT (SC4220010) | SC4220010 | South Carolina | Community | 18,152 |
| LAGO DEL ORO WATER COMPANY | AZ0411117 | Arizona | Community | 18,132 |
| WHEATFIELD WD | NY3100585 | New York | Community | 18,117 |
| CALIFORNIA WATER SERVICE CO.-TRAVIS AFB | CA4810701 | California | Community | 18,111 |
| CLEAR BROOK CITY MUD | TX1010418 | Texas | Community | 18,108 |
| CITY OF GAINESVILLE | TX0490001 | Texas | Community | 18,107 |
| BASTROP WATER SYSTEM | LA1067003 | Louisiana | Community | 18,105 |
| CITY OF LAUREL | MS0340021 | Mississippi | Community | 18,100 |
| OTTAWA | IL0990800 | Illinois | Community | 18,097 |
| CITY OF BELLAIRE | TX1010004 | Texas | Community | 18,090 |
| CITY OF BAY CITY | TX1610001 | Texas | Community | 18,061 |
| CURRY WATER AUTHORITY | AL0001432 | Alabama | Community | 18,060 |
| SMITHTOWN DISTRICT | NY5103319 | New York | Community | 18,050 |
| DEMOREST | GA1370004 | Georgia | Community | 18,049 |
| WOODMOOR WSD | CO0121950 | Colorado | Community | 18,031 |
| CITY OF MELISSA | TX0430040 | Texas | Community | 18,020 |
| HARRIS MONTGOMERY COUNTIES MUD 386 | TX1013305 | Texas | Community | 18,018 |
| WELLS BRANCH MUD 1 | TX2270227 | Texas | Community | 18,015 |
| Thunder Valley Casino | 090605161 | California | Non-Transient Non-Community | 18,007 |
| CITY OF ABERDEEN | MD0120001 | Maryland | Community | 18,006 |
| HOUSTON INTERCONTINENTAL | TX1010729 | Texas | Community | 18,000 |
| METZGER WATER DISTRICT | OR4100652 | Oregon | Community | 18,000 |
| GARNER, TOWN OF | NC0392025 | North Carolina | Community | 18,000 |
| LUDLOW WATER DEPT (SPRINGFIELD W&SC) | MA1161000 | Massachusetts | Community | 18,000 |
| CHAS. A. PURSER WATER SYSTEM | GA1790025 | Georgia | Transient Non-Community | 18,000 |
| WILLA WOOD | IL0001834 | Illinois | Transient Non-Community | 18,000 |
| WILLO WOOD RECREATIONAL FARM | IL0016816 | Illinois | Transient Non-Community | 18,000 |
| HERNANDO CO UTL-WEST HERNANDO | FL6272899 | Florida | Community | 18,000 |
| BUTTE-GLENN COMMUNITY COLLEGE DIST | CA0400070 | California | Non-Transient Non-Community | 18,000 |
| TALLMADGE CITY PWS | OH7704703 | Ohio | Community | 18,000 |
| GARDEN CITY PARK WD | NY2902825 | New York | Community | 18,000 |
| FOX CROSSING UTILITIES WEST | WI4710358 | Wisconsin | Community | 18,000 |
| ONALASKA WATERWORKS | WI6320327 | Wisconsin | Community | 18,000 |
| YUBA COUNTY MOTORPLEX | CA5800003 | California | Transient Non-Community | 18,000 |
| CITY OF PAMPA | TX0900003 | Texas | Community | 17,994 |
| GLOVERSVILLE (C) WATER WORKS | NY1700018 | New York | Community | 17,991 |
| CITY OF PLEASANTON | TX0070003 | Texas | Community | 17,985 |
| EUFAULA WATER WORKS | AL0000085 | Alabama | Community | 17,970 |
| LYNDEN WATER DEPARTMENT | WA5349150 | Washington | Community | 17,969 |
| TRICO WATER COMPANY (SC1720001) | SC1720001 | South Carolina | Community | 17,963 |
| CITY OF ARROYO GRANDE UTILITIES DIVISION | CA4010001 | California | Community | 17,963 |
| LIBERTY WATER RIO RICO | AZ0412011 | Arizona | Community | 17,960 |
| DEKALB UTILITY DISTRICT #1 | TN0000188 | Tennessee | Community | 17,960 |
| HOLDEN WATER DIVISION, DPW | MA2134000 | Massachusetts | Community | 17,951 |
| MILITARY HWY WSC LAS RUSIAS | TX1080067 | Texas | Community | 17,943 |