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 |
|---|---|---|---|---|
| JACK DANIELS DISTILLERY | TN0001974 | Tennessee | Non-Transient Non-Community | 10,000 |
| CITY OF LOCK HAVEN WATER DEPT | PA4180048 | Pennsylvania | Community | 10,000 |
| RUFFITT PARK | IL0016972 | Illinois | Transient Non-Community | 10,000 |
| ROCK RIVER CHRISTIAN CAMP | IL0018606 | Illinois | Transient Non-Community | 10,000 |
| BEL-MAR COUNTRY CLUB | IL0017632 | Illinois | Transient Non-Community | 10,000 |
| ROCKFORD PARK DIST | IL0097279 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097261 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097253 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097246 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097238 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097220 | Transient Non-Community | 10,000 | |
| ROCKFORD PARK DIST | IL0097212 | Transient Non-Community | 10,000 | |
| RUFFITT PARK | IL0097121 | Illinois | Transient Non-Community | 10,000 |
| CAESARS CREEK FLEA MARKET | OH1434808 | Ohio | Transient Non-Community | 10,000 |
| JEFFERSON COUNTY PWSD 10 | MO6024302 | Missouri | Community | 10,000 |
| TIOGA COUNTY FAIRGROUNDS | NY5377777 | New York | Transient Non-Community | 10,000 |
| SURF CITY WATER DEPT | NJ1531001 | New Jersey | Community | 10,000 |
| Arden Hills | MN1620001 | Minnesota | Community | 10,000 |
| BURNT HILLS-BALLSTON LK WD | NY4505658 | New York | Community | 10,000 |
| BEL-MAR COUNTRY CLUB | IL0004069 | Illinois | Transient Non-Community | 10,000 |
| ST OF ILL NORTHEASTERN IL UNIV | IL0317820 | Illinois | Community | 10,000 |
| WASHINGTON COUNTY FAIR GROUNDS | ID2344830 | Idaho | Transient Non-Community | 10,000 |
| ADVOCATE CHRIST MEDICAL CENTER | IL3162461 | Illinois | Non-Transient Non-Community | 10,000 |
| LORING AIR FORCE BASE | ME0090895 | Maine | Community | 10,000 |
| CARRBORO TOWN OF | NC0368025 | North Carolina | Community | 10,000 |
| NORTH TABLE MOUNTAIN WSD | CO0130105 | Colorado | Community | 10,000 |
| VALLEY WD | CO0130800 | Colorado | Community | 10,000 |
| YORK RETREAT CAMPGROUND | IL0093534 | Illinois | Transient Non-Community | 10,000 |
| BIG SLOUGH C/O LOCK & DAM 13 | IL0089896 | Transient Non-Community | 10,000 | |
| LITTLE GALLILEE CHURCH CAMP | IL0044784 | Illinois | Transient Non-Community | 10,000 |
| HAMLIN CONSOLIDATED WATER DIST | NY2704525 | New York | Community | 10,000 |
| SHAW AFB (SC4310501) | SC4310501 | South Carolina | Community | 10,000 |
| FORT MCCOY NORTH POST | WI6420302 | Community | 10,000 | |
| CHGO ZOOLOGICAL PARK | IL3076638 | Illinois | Transient Non-Community | 10,000 |
| GREEN VALLEY CAMPGROUND | CA3601149 | California | Transient Non-Community | 10,000 |
| VAN BUREN WDS | NY3304348 | New York | Community | 10,000 |
| ROCKPORT WATER DEPT | MA3252000 | Massachusetts | Community | 10,000 |
| WISSAHICKON SPRING WATER | PA7360174 | Pennsylvania | Transient Non-Community | 10,000 |
| MONTGOMERY CO WATER | NC0362118 | North Carolina | Community | 10,000 |
| CASWELL WATER SYSTEM | NC0217105 | North Carolina | Community | 10,000 |
| WILLIAM ARTER,SECY,HARTFORD FR | OH4552112 | Ohio | Transient Non-Community | 10,000 |
| WILLIAM ARTER,SECY,HARTFORD FR | OH4552212 | Ohio | Transient Non-Community | 10,000 |
| PIKE-GIBSON WATER, INC. | IN5263003 | Indiana | Community | 10,000 |
| SANTA CLARITA VALLEY W.A.-CASTAIC DIV. | CA1910247 | California | Community | 9,999 |
| CALAVERAS COUNTY FAIRGROUNDS | CA0500005 | California | Transient Non-Community | 9,999 |
| BLOCK ISLAND WATER COMPANY | RI1858430 | Community | 9,999 | |
| CAL TRANS TWO RIVER RESTSTOP | CA1300602 | California | Transient Non-Community | 9,999 |
| KERN RIVER STATE PARK | CA1502316 | California | Transient Non-Community | 9,999 |
| CNE - NEW LONDON TURNPIKE ENTRY POINT | RI2980453 | Rhode Island | Community | 9,999 |
| DELHI COLLEGE GOLF COURSE W.S. | NY0018369 | New York | Community | 9,999 |