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 |
|---|---|---|---|---|
| CASSATT WTR KERSHAW-LEE CO RWA | SC2820005 | South Carolina | Community | 25,485 |
| GURABO URBANO | PR0005096 | PR | Community | 25,469 |
| NORTHWEST HARRIS COUNTY MUD 5 | TX1010884 | Texas | Community | 25,425 |
| DERBY, CITY OF | KS2017328 | Kansas | Community | 25,413 |
| CITY OF KINGSVILLE | TX1370001 | Texas | Community | 25,402 |
| WASHINGTON CO RWD #3 (NEW,#1) | OK1021418 | Oklahoma | Community | 25,375 |
| SUMMIT TOWNSHIP | MI0006450 | Michigan | Community | 25,355 |
| BELVIDERE | IL0070050 | Illinois | Community | 25,339 |
| CITY OF SOUTH PASADENA | CA1910154 | California | Community | 25,329 |
| CITY OF RICHMOND | TX0790023 | Texas | Community | 25,326 |
| SHADY GROVE UTILITY DISTRICT | TN0000626 | Tennessee | Community | 25,320 |
| MORTON GROVE | IL0311950 | Illinois | Community | 25,297 |
| LONG BEACH TWP BRANT BEA | NJ1517001 | New Jersey | Community | 25,295 |
| Prior Lake | MN1700007 | Minnesota | Community | 25,282 |
| CITY OF KATY | TX1010017 | Texas | Community | 25,253 |
| SUNNY SLOPE WATER CO. | CA1910157 | California | Community | 25,252 |
| MONROE | GA2970001 | Georgia | Community | 25,248 |
| KINGSLAND | GA0390000 | Georgia | Community | 25,245 |
| THOMAS BULL MEMORIAL PARK | NY0017593 | New York | Transient Non-Community | 25,229 |
| JOHNSTON CO-EAST | NC4051018 | North Carolina | Community | 25,212 |
| CARROLLTON | GA0450002 | Georgia | Community | 25,200 |
| COLUMBIA WATER CO | PA7360123 | Pennsylvania | Community | 25,200 |
| 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 |
| ANACORTES CITY OF | WA5302200 | Washington | Community | 25,109 |
| FORT PAYNE, THE WW BD OF THE CITY OF | AL0000509 | Alabama | Community | 25,107 |
| WELLBORN SUD | TX0210016 | Texas | Community | 25,092 |
| DHS BORDER PATROL HWY 94 CHECKPOINT | CA3710053 | California | Non-Transient Non-Community | 25,083 |
| INKSTER | MI0003360 | Michigan | Community | 25,076 |
| AUERBACH FARMS | CA3700044 | California | Non-Transient Non-Community | 25,068 |
| NORCO, CITY OF | CA3310025 | California | Community | 25,068 |
| EASTON WATER DIV | MA4088000 | Massachusetts | Community | 25,058 |
| DAYTON WATER DEPT | TN0000174 | Tennessee | Community | 25,054 |
| ANTELOPE VALLEY POPPY RESERVE STATE PARK | CA1910303 | California | Transient Non-Community | 25,007 |
| LAVALLETTE WATER DEPT | NJ1515001 | New Jersey | Community | 25,000 |
| NORTH PLATTE, CITY OF | NE3111106 | Nebraska | Community | 25,000 |
| ROCHESTER WATER DEPT | NH2001010 | New Hampshire | Community | 25,000 |
| HENDERSONVILLE CITY OF WA SYS | NC0145015 | North Carolina | Community | 25,000 |
| REHOBOTH BEACH WATER DEPARTMENT | DE0000723 | Delaware | Community | 25,000 |
| BRISTOL VA WATER FILTRATION PL | VA1191060 | Virginia | Community | 25,000 |
| COACHELLA VALLEY CWD | CA3310053 | California | Community | 25,000 |
| FORT FOOTE PLANT WSSC | MD0000029 | Maryland | Community | 25,000 |
| ARLINGTON GRID (JEA) | FL2161326 | Florida | Community | 25,000 |
| MIAMI INTL AIRPORT | FL4134513 | Florida | Non-Transient Non-Community | 25,000 |
| FORT MILL TOWN OF (SC4610003) | SC4610003 | South Carolina | Community | 25,000 |
| CITY OF BOWIE | MD0160002 | Maryland | Community | 25,000 |