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 |
|---|---|---|---|---|
| HARRIS COUNTY MUD 55 HERITAGE PARK | TX1010678 | Texas | Community | 16,392 |
| MT STERLING WATER WORKS | KY0870298 | Kentucky | Community | 16,391 |
| DUXBURY WATER DEPARTMENT | MA4082000 | Massachusetts | Community | 16,387 |
| NORTH READING WATER DEPT. | MA3213000 | Massachusetts | Community | 16,379 |
| CANTON | GA0570001 | Georgia | Community | 16,375 |
| SNOHOMISH CITY OF | WA5380915 | Washington | Community | 16,367 |
| EAST LONGMEADOW DPW WATER DEPT | MA1085000 | Massachusetts | Community | 16,358 |
| ROBINSON TWP MUNI AUTH | PA5020045 | Pennsylvania | Community | 16,354 |
| AIBONITO LA PLATA | PR0004545 | PR | Community | 16,354 |
| OWOSSO, CITY OF | MI0005120 | Michigan | Community | 16,353 |
| HIGH POINT SUD | TX1290016 | Texas | Community | 16,341 |
| CITY OF CUPERTINO | CA4310018 | California | Community | 16,336 |
| CWSC KING CITY | CA2710009 | California | Community | 16,334 |
| WEST VIRGINIA WATER COMPANY | WV3302047 | West Virginia | Community | 16,333 |
| TOWN OF BLANCHARD WATER SYSTEM | LA1017006 | Louisiana | Community | 16,326 |
| MOUNT CLEMENS, CITY OF | MI0004510 | Michigan | Community | 16,314 |
| MARION COUNTY WATER DISTRICT | KY0780268 | Kentucky | Community | 16,311 |
| LINCOLNTON, CITY OF | NC0155010 | North Carolina | Community | 16,309 |
| WAYNE WATER DISTRICTS PURCHASE | NC6096001 | North Carolina | Community | 16,302 |
| WILLIAMSBURG, CITY OF | VA3830850 | Virginia | Community | 16,300 |
| MARINE CORPS BASE HAWAII | HI0000356 | Hawaii | Community | 16,300 |
| SOUTH MONROE COUNTY WATER SYSTEM | GA2070074 | Georgia | Community | 16,292 |
| SIKESTON PWS | MO4010743 | Missouri | Community | 16,291 |
| DADE COUNTY WATER AUTHORITY | GA0830000 | Georgia | Community | 16,285 |
| GRANTSVILLE CITY | UTAH23002 | Utah | Community | 16,284 |
| CITY OF MINDEN WATER SYSTEM | LA1119021 | Louisiana | Community | 16,281 |
| NORTH MARSHALL WATER DISTRICT #1 | KY0790319 | Kentucky | Community | 16,276 |
| NASA AMES RESEARCH CENTER | CA4300997 | California | Community | 16,273 |
| CITY OF MERCEDES | TX1080007 | Texas | Community | 16,258 |
| FORT VALLEY UTILITY COMMISSION | GA2250001 | Georgia | Community | 16,257 |
| LEWISTON WATER IMPROVEMENTAREA | NY3100561 | New York | Community | 16,257 |
| PA AM CAP DIV Y B I | PA7670126 | Pennsylvania | Community | 16,250 |
| MARTINSBURG CITY OF | WV3300212 | West Virginia | Community | 16,250 |
| TOWN OF DAVIE | FL4064394 | Florida | Community | 16,250 |
| CARROLLS CREEK, WATER AUTHORITY | AL0001540 | Alabama | Community | 16,248 |
| CITY OF SULPHUR SPRINGS | TX1120002 | Texas | Community | 16,243 |
| WESTCHESTER | IL0313150 | Illinois | Community | 16,241 |
| CITY OF MOUNT PLEASANT | TX2250001 | Texas | Community | 16,238 |
| EL RENO | OK2000902 | Oklahoma | Community | 16,212 |
| EASTHAMPTON WATER DEPT | MA1087000 | Massachusetts | Community | 16,211 |
| CHEROKEE WATER SYSTEM | 043740039 | North Carolina | Community | 16,203 |
| DEWITT WDS - SOUTH | NY3304343 | New York | Community | 16,200 |
| BEAVER DAM WATER UTILITY | WI1140059 | Wisconsin | Community | 16,200 |
| LA GRANGE | IL0311530 | Illinois | Community | 16,200 |
| CHELAN CO PUD 1 | WA5312284 | Washington | Community | 16,190 |
| MCDONOUGH | GA1510003 | Georgia | Community | 16,187 |
| CITY OF COVINGTON WATER SUPPLY | LA1103011 | Louisiana | Community | 16,185 |
| TROUTDALE, CITY OF | OR4100901 | Oregon | Community | 16,185 |
| UNION CITY WATER DEPT | TN0000720 | Tennessee | Community | 16,180 |
| WALNUT PARK MUTUAL WATER CO. | CA1910169 | California | Community | 16,180 |