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 |
|---|---|---|---|---|
| BEDFORD REGIONAL WATER AUTHORITY (BRWA) | VA5019052 | Virginia | Community | 38,794 |
| LEAVENWORTH WATER DEPARTMENT | KS2010317 | Kansas | Community | 38,757 |
| LA VERGNE WATER SYSTEM | TN0000386 | Tennessee | Community | 38,730 |
| MURRAY CITY WATER SYSTEM | UTAH18024 | Utah | Community | 38,723 |
| PELHAM WATER WORKS | AL0001163 | Alabama | Community | 38,703 |
| WARRIOR RIVER WATER AUTHORITY | AL0000763 | Alabama | Community | 38,700 |
| KEIZER, CITY OF | OR4100744 | Oregon | Community | 38,585 |
| NORTH COAST COUNTY WATER DIST | CA4110025 | California | Community | 38,546 |
| CITY AND BOROUGH OF JUNEAU | AK2110342 | Alaska | Community | 38,526 |
| NEWTOWN ARTESIAN WATER CO | PA1090043 | Pennsylvania | Community | 38,500 |
| OLDHAM COUNTY WATER DISTRICT | KY0930333 | Kentucky | Community | 38,409 |
| MARINA COAST WATER DISTRICT | CA2710017 | California | Community | 38,377 |
| SHREWSBURY WATER DEPARTMENT | MA2271000 | Massachusetts | Community | 38,325 |
| CHELSEA WATER DEPT. (MWRA) | MA3057000 | Massachusetts | Community | 38,319 |
| MUSKOGEE | OK1021607 | Oklahoma | Community | 38,310 |
| GOLDEN CITY OF | CO0130040 | Colorado | Community | 38,288 |
| ENGLEWOOD WATER DIST | FL6580531 | Florida | Community | 38,265 |
| GSWC - CULVER CITY | CA1910030 | California | Community | 38,213 |
| ELECTRIC CITY UTILITIES (SC0410012) | SC0410012 | South Carolina | Community | 38,204 |
| OSWEGO | IL0930150 | Illinois | Community | 38,169 |
| LINCOLN PARK | MI0003870 | Michigan | Community | 38,144 |
| TEJON CASTAC WD - I5 & LAVAL RD | CA1503341 | California | Community | 38,125 |
| NOB HILL WATER ASSOCIATION | WA5359700 | Washington | Community | 38,050 |
| FLORISSANT | MO6010282 | Missouri | Community | 38,046 |
| MILCROFTON UTILITY DISTRICT | TN0000247 | Tennessee | Community | 38,032 |
| ADDISON | IL0430050 | Illinois | Community | 38,017 |
| EPCOR - SUN CITY | AZ0407099 | Arizona | Community | 38,016 |
| IBM WELL WATER SYSTEM | VT0009107 | Vermont | Transient Non-Community | 38,000 |
| MOON TWP MUNI AUTH | PA5020011 | Pennsylvania | Community | 38,000 |
| CARPENTERSVILLE | IL0890200 | Illinois | Community | 37,983 |
| MONROVIA-CITY, WATER DEPT. | CA1910090 | California | Community | 37,931 |
| SCHOFIELD BARRACKS | HI0000345 | Hawaii | Community | 37,920 |
| TORRINGTON WATER COMPANY | CT1430011 | Connecticut | Community | 37,915 |
| NEW BERN, CITY OF | NC0425010 | North Carolina | Community | 37,884 |
| CRAVEN COUNTY WATER SYSTEM | NC0425055 | North Carolina | Community | 37,848 |
| REYNOLDSBURG CITY PWS | OH2503203 | Ohio | Community | 37,847 |
| HOLYOKE WATER WORKS | MA1137000 | Massachusetts | Community | 37,838 |
| IA REGIONAL UTILITIES ASSOC (WAVERLY) | IA0990701 | Iowa | Community | 37,820 |
| GCWSD WACCAMAW NECK (SC2220010) | SC2220010 | South Carolina | Community | 37,790 |
| GERMANTOWN WATER DEPT | TN0000262 | Tennessee | Community | 37,738 |
| BRISTOL DEPARTMENT OF UTILITIES | TN0000073 | Tennessee | Community | 37,648 |
| REDMOND WATER DEPARTMENT | OR4100693 | Oregon | Community | 37,566 |
| JBSA - SAM HOUSTON | TX0150116 | Texas | Community | 37,563 |
| USMC LEJEUNE--HADNOT POINT | NC0467041 | North Carolina | Community | 37,500 |
| BOUNTIFUL CITY WATER SYSTEM | UTAH06015 | Utah | Community | 37,500 |
| SENECA CITY OF (SC3710002) | SC3710002 | South Carolina | Community | 37,478 |
| HANOVER PARK | IL0314480 | Illinois | Community | 37,470 |
| BYRON-GAINES UTILITY AUTHORITY | MI0001023 | Michigan | Community | 37,464 |
| OCPU/NORTHWESTERN WATER SYSTEM | FL3481081 | Florida | Community | 37,443 |
| GLOUCESTER PUBLIC UTILITY DIVISION | MA3107000 | Massachusetts | Community | 37,440 |