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 |
|---|---|---|---|---|
| CITY OF KATY | TX1010017 | Texas | Community | 25,253 |
| SUNNY SLOPE WATER CO. | CA1910157 | California | Community | 25,252 |
| THOMAS BULL MEMORIAL PARK | NY0017593 | New York | Transient Non-Community | 25,229 |
| SABANA GRANDE | PR0003333 | PR | Community | 25,229 |
| CARROLLTON | GA0450002 | Georgia | Community | 25,200 |
| COLUMBIA WATER CO | PA7360123 | Pennsylvania | Community | 25,200 |
| CITY OF PARIS | TX1390002 | Texas | Community | 25,171 |
| WEST CHICAGO | IL0430900 | Illinois | Community | 25,166 |
| NEWBERG, CITY OF | OR4100557 | Oregon | Community | 25,138 |
| FOUNTAIN CITY OF | CO0121275 | Colorado | Community | 25,130 |
| LOMA LINDA, CITY OF | CA3610013 | California | Community | 25,129 |
| MADISON CO UTILITIES DISTRICT | KY0760224 | Kentucky | Community | 25,120 |
| GORGE AMPHITHEATRE | WA5362514 | Washington | Transient Non-Community | 25,119 |
| FORT PAYNE, THE WW BD OF THE CITY OF | AL0000509 | Alabama | Community | 25,107 |
| DHS BORDER PATROL HWY 94 CHECKPOINT | CA3710053 | California | Non-Transient Non-Community | 25,083 |
| INKSTER | MI0003360 | Michigan | Community | 25,076 |
| NORCO, CITY OF | CA3310025 | California | Community | 25,068 |
| AUERBACH FARMS | CA3700044 | California | Non-Transient Non-Community | 25,068 |
| WELLBORN SUD | TX0210016 | Texas | Community | 25,065 |
| DAYTON WATER DEPT | TN0000174 | Tennessee | Community | 25,054 |
| ANTELOPE VALLEY POPPY RESERVE STATE PARK | CA1910303 | California | Transient Non-Community | 25,007 |
| BRISTOL VA WATER FILTRATION PL | VA1191060 | Virginia | Community | 25,000 |
| MORAINE STATE PARK W S | PA5100100 | Pennsylvania | Transient Non-Community | 25,000 |
| HENDERSONVILLE CITY OF WA SYS | NC0145015 | North Carolina | Community | 25,000 |
| FORT FOOTE PLANT WSSC | MD0000029 | Maryland | Community | 25,000 |
| ILLINOIS SYNOD L.C.A. | IL0001867 | Illinois | Transient Non-Community | 25,000 |
| ILLINOIS SYNOD L.C.A. | IL0001859 | Illinois | Transient Non-Community | 25,000 |
| ARLINGTON GRID (JEA) | FL2161326 | Florida | Community | 25,000 |
| COACHELLA VALLEY CWD | CA3310053 | California | Community | 25,000 |
| CITY OF CLINTON | MS0250003 | Mississippi | Community | 25,000 |
| CITY OF BOWIE | MD0160002 | Maryland | Community | 25,000 |
| ROCHESTER WATER DEPT | NH2001010 | New Hampshire | Community | 25,000 |
| LOS ALAMOS MUNICIPAL WATER SYSTEM | NM3500115 | New Mexico | Community | 25,000 |
| FORT MILL TOWN OF (SC4610003) | SC4610003 | South Carolina | Community | 25,000 |
| NORTH PLATTE, CITY OF | NE3111106 | Nebraska | Community | 25,000 |
| KALISPELL PUBLIC WORKS | MT0000259 | Montana | Community | 25,000 |
| ELMWOOD PARK | IL0310780 | Illinois | Community | 25,000 |
| LAVALLETTE WATER DEPT | NJ1515001 | New Jersey | Community | 25,000 |
| MIAMI INTL AIRPORT | FL4134513 | Florida | Non-Transient Non-Community | 25,000 |
| ORCHARD DALE WATER DISTRICT | CA1910101 | California | Community | 25,000 |
| REHOBOTH BEACH WATER DEPARTMENT | DE0000723 | Delaware | Community | 25,000 |
| HARVEY | IL0311110 | Illinois | Community | 25,000 |
| BERMUDA WATER COMPANY INC | AZ0408063 | Arizona | Community | 25,000 |
| EAST WINDSOR MUA | NJ1101002 | New Jersey | Community | 25,000 |
| CLINTON COUNTY FAIR | NY0930127 | New York | Transient Non-Community | 25,000 |
| PATTERSON, CITY OF | CA5010017 | California | Community | 24,977 |
| MANCHESTER WATER DEPARTMENT | TN0000429 | Tennessee | Community | 24,975 |
| GURABO URBANO | PR0005096 | PR | Community | 24,967 |
| SOUTH WATER TREATMENT PLANT (SWTP) | 055294506 | Minnesota | Community | 24,959 |
| SUNNYSLOPE COUNTY WATER DIST | CA3510003 | California | Community | 24,954 |