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 |
|---|---|---|---|---|
| EMPORIA, CITY OF | VA3595250 | Virginia | Community | 7,594 |
| CITY OF MARKSVILLE WATER SYSTEM | LA1009011 | Louisiana | Community | 7,593 |
| OKALOOSA COUNTY MID SYSTEM (CRESTVIEW) | FL1464044 | Florida | Community | 7,593 |
| PIKE COUNTY PWSD 1 | MO2024471 | Missouri | Community | 7,590 |
| ADA TOWNSHIP | MI0000012 | Michigan | Community | 7,584 |
| TIFFIN WATER SUPPLY | IA5288021 | Iowa | Community | 7,577 |
| HALIFAX WATER DEPARTMENT | MA4118000 | Massachusetts | Community | 7,575 |
| ZEPHYR WSC | TX0250019 | Texas | Community | 7,575 |
| ROANOKE, THE UTIL. BD. OF THE CITY OF | AL0001127 | Alabama | Community | 7,575 |
| MARENGO | IL1110650 | Illinois | Community | 7,572 |
| WAUSEON CITY PWS | OH2600111 | Ohio | Community | 7,568 |
| COLE COUNTY PWSD 4 | MO3024163 | Missouri | Community | 7,568 |
| CRETE, CITY OF | NE3115104 | Nebraska | Community | 7,566 |
| SOUTHEAST POLK RWD | IA7774701 | Iowa | Community | 7,565 |
| VEOLIA WATER PA DALLAS | PA2400076 | Pennsylvania | Community | 7,563 |
| GUAVATE | PR0004645 | PR | Community | 7,556 |
| COHASSET WATER DEPT | MA4065000 | Massachusetts | Community | 7,555 |
| KENSINGTON FIRE DISTRICT | CT0070011 | Connecticut | Community | 7,553 |
| GASTON RURAL WATER DIST (SC3220002) | SC3220002 | South Carolina | Community | 7,550 |
| MACBEE SUD | TX2340012 | Texas | Community | 7,548 |
| BLUE RIDGE WEST MUD | TX0790051 | Texas | Community | 7,545 |
| CITY OF LOUISVILLE | MS0800004 | Mississippi | Community | 7,545 |
| PIEDMONT MUNICIPAL AUTHORITY | OK2000909 | Oklahoma | Community | 7,542 |
| WELLSTON, CITY OF-NORTH | OH4000511 | Ohio | Community | 7,542 |
| CITY OF JUSTIN | TX0610003 | Texas | Community | 7,537 |
| CRESTON WATER SUPPLY | IA8816089 | Iowa | Community | 7,536 |
| GLOBE CITY OF | AZ0404008 | Arizona | Community | 7,536 |
| POTTAWATOMIE CO RWD 1 | KS2014912 | Kansas | Community | 7,535 |
| NSA HAMPTON ROADS, MAIN BASE | VA3710850 | Virginia | Community | 7,533 |
| SENOIA | GA0770003 | Georgia | Community | 7,528 |
| TUCKASEIGEE WATER & SEWER AUTH | NC0150035 | North Carolina | Community | 7,528 |
| NEW PALTZ (VILLAGE) WATER DIST | NY5503379 | New York | Community | 7,523 |
| SEBASTOPOL, CITY OF | CA4910011 | California | Community | 7,522 |
| WINNSBORO WATER SYSTEM | LA1041006 | Louisiana | Community | 7,518 |
| CASTROVILLE COMMUNITY SERVICES DISTRICT | CA2710005 | California | Community | 7,515 |
| FORT SCOTT, CITY OF | KS2001104 | Kansas | Community | 7,513 |
| ST JAMES WATER DISTRICT 2 | LA1093005 | Louisiana | Community | 7,513 |
| TALLASSEE WATER WORKS | AL0000548 | Alabama | Community | 7,512 |
| CITY OF MANSFIELD WATER SYSTEM | LA1031009 | Louisiana | Community | 7,512 |
| EAGLE TOWN OF | CO0119233 | Colorado | Community | 7,511 |
| MAIDENCREEK TWP WATER AUTH | PA3060012 | Pennsylvania | Community | 7,505 |
| MORGAN COUNTY WATER DISTRICT | KY0880594 | Kentucky | Community | 7,502 |
| FOLSOM STATE PRISON | CA3410032 | California | Community | 7,502 |
| LOCUST VALLEY WD | NY2902833 | New York | Community | 7,500 |
| MOUNTAIN HOME AIR FORCE BASE | ID4200054 | Idaho | Community | 7,500 |
| JEFFERSON COUNTY PWSD 6 | MO6024298 | Missouri | Community | 7,500 |
| YUCCA WATER COMPANY LTD | CA3610056 | California | Community | 7,500 |
| DEER FLAT NATIONAL WILDLIFE REFUGE LOWER | ID3140156 | Idaho | Transient Non-Community | 7,500 |
| LEXINGTON, CITY OF | VA2678375 | Virginia | Community | 7,500 |
| IRON MOUNTAIN | MI0003400 | Michigan | Community | 7,500 |