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 |
|---|---|---|---|---|
| OAK BLUFFS WATER DISTRICT | MA4221000 | Massachusetts | Community | 24,000 |
| KINGSTON (CITY) WATER DISTRICT | NY5503374 | New York | Community | 24,000 |
| MONROE | GA2970001 | Georgia | Community | 23,997 |
| NORTON SHORES | MI0004850 | Michigan | Community | 23,994 |
| ROMULUS | MI0005785 | Michigan | Community | 23,989 |
| MOUNTAIN PEAK SUD | TX0700042 | Texas | Community | 23,988 |
| HIGHLAND WATER WORKS | IN5245021 | Indiana | Community | 23,984 |
| MANCHESTER TWP WATER UTILITY - EASTERN | NJ1518005 | New Jersey | Community | 23,980 |
| DESERT OASIS | AZ0407523 | Arizona | Community | 23,963 |
| CITY OF ANNA | TX0430027 | Texas | Community | 23,960 |
| SAN FERNANDO-CITY, WATER DEPT. | CA1910143 | California | Community | 23,946 |
| WATERTOWN WATERWORKS | WI1280044 | Wisconsin | Community | 23,945 |
| GARDNER, CITY OF | KS2009106 | Kansas | Community | 23,942 |
| FREEPORT | IL1770200 | Illinois | Community | 23,930 |
| ETOWAH | GA0850007 | Georgia | Community | 23,922 |
| Champlin | MN1270006 | Minnesota | Community | 23,919 |
| MUNSTER WATER COMPANY | IN5245031 | Indiana | Community | 23,894 |
| CITY OF SAGINAW | TX2200023 | Texas | Community | 23,890 |
| MIDDLETON WATERWORKS | WI1130242 | Wisconsin | Community | 23,868 |
| MENOMONEE FALLS WW - SURFACE WATER | WI2680082 | Wisconsin | Community | 23,867 |
| LINCOLN CO B.P.U. #1 | TN0000764 | Tennessee | Community | 23,846 |
| EPCOR - ANTHEM | AZ0407504 | Arizona | Community | 23,826 |
| CITY OF WATAUGA | TX2200328 | Texas | Community | 23,806 |
| UNIONDALE WATER DISTRICT | NY2902855 | New York | Community | 23,800 |
| AVON CITY PWS | OH4700203 | Ohio | Community | 23,800 |
| POLK COUNTY WATER AUTHORITY | GA2330001 | Georgia | Community | 23,792 |
| OAK HARBOR CITY OF | WA5362650 | Washington | Community | 23,767 |
| NORTHWEST HARRIS COUNTY MUD 5 | TX1010884 | Texas | Community | 23,766 |
| PAW BLUE MOUNTAIN DIVISION | PA3480055 | Pennsylvania | Community | 23,763 |
| SHELBYVILLE WATER & SEWER COMMISSION | KY1060394 | Kentucky | Community | 23,760 |
| MT WASHINGTON WATER COMPANY | KY0150300 | Kentucky | Community | 23,760 |
| CRESTVIEW WSD | CO0101040 | Colorado | Community | 23,756 |
| BROWNSBURG WATER WORKS | IN5232002 | Indiana | Community | 23,750 |
| GOLDEN STATE WATER COMPANY - BAY POINT | CA0710002 | California | Community | 23,731 |
| LEWISTON WATER & SEWER DIVISION | ME0090830 | Maine | Community | 23,720 |
| Faribault | MN1660002 | Minnesota | Community | 23,718 |
| BCWWS 3B | FL4060166 | Florida | Community | 23,695 |
| ADRIAN | MI0000040 | Michigan | Community | 23,663 |
| AVON LAKE CITY PWS | OH4700311 | Ohio | Community | 23,659 |
| COACHELLA VALLEY CWD | CA3310061 | California | Community | 23,650 |
| SOUTH ELGIN | IL0890800 | Illinois | Community | 23,648 |
| GRIFFIN | GA2550000 | Georgia | Community | 23,643 |
| GROVELAND WATER DEPARTMENT | FL3350476 | Florida | Community | 23,628 |
| COLUMBUS LIGHT & WATER | MS0440003 | Mississippi | Community | 23,616 |
| HARDIN CO. WATER DIST #1/FT. KNOX | KY0470990 | Kentucky | Community | 23,600 |
| SOUTH SALT LAKE CITY WATER SYSTEM | UTAH18032 | Utah | Community | 23,600 |
| BELTON PWS | MO1010061 | Missouri | Community | 23,598 |
| SHELBY, CITY OF | NC0123010 | North Carolina | Community | 23,577 |
| ECWA WEST SENECA | NY1404543 | New York | Community | 23,557 |
| RAINBOW MUNICIPAL WD | CA3710016 | California | Community | 23,536 |