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 |
|---|---|---|---|---|
| MDWASA-CITY WATER SYSTEM | FL4130874 | Florida | Community | 5,400 |
| CALIFORNIA WTR SERV CO | CA4310008 | California | Community | 5,400 |
| WALWORTH WD #1 | NY5801246 | New York | Community | 5,400 |
| CRESCENT ESTATES | NY4500180 | New York | Community | 5,400 |
| TATTOR ROAD MUD | TX1010625 | Texas | Community | 5,400 |
| COLLINSVILLE | OK1021505 | Oklahoma | Community | 5,400 |
| DUNDEE | MI0001880 | Michigan | Community | 5,400 |
| BARNSTABLE FIRE DISTRICT | MA4020000 | Massachusetts | Community | 5,400 |
| TOWN OF CHESTERTOWN | MD0140002 | Maryland | Community | 5,400 |
| HIGHTSTOWN WATER DEPARTMENT | NJ1104001 | New Jersey | Community | 5,400 |
| GRAND COUNTY WATER NO 1 | CO0125323 | Colorado | Community | 5,400 |
| SMITH BROTHERS RITE QUIK | NC0332401 | North Carolina | Transient Non-Community | 5,400 |
| LAWRENCE WATERWORKS | WI4051625 | Wisconsin | Community | 5,398 |
| BILMA PUD | TX1011872 | Texas | Community | 5,397 |
| MANCHESTER | GA1990003 | Georgia | Community | 5,397 |
| JIM HOGG COUNTY WCID 2 | TX1240001 | Texas | Community | 5,397 |
| HARRIS COUNTY MUD 86 | TX1012953 | Texas | Community | 5,397 |
| PITAHAYA | PR0004595 | PR | Community | 5,396 |
| JEA: PONTE VEDRA GRID | FL2550908 | Florida | Community | 5,395 |
| TUD - CRYSTAL FALLS WATER SYSTEM | CA5510010 | California | Community | 5,393 |
| AQUA OHIO - HUBER RIDGE PWS | OH2502512 | Ohio | Community | 5,393 |
| ONSET FIRE DISTRICTWATER DEPT. | MA4310003 | Massachusetts | Community | 5,392 |
| FOLKSTON | GA0490000 | Georgia | Community | 5,390 |
| ROLLING CREEK UTILITY DISTRICT | TX1012877 | Texas | Community | 5,388 |
| CEDRITO | PR0004725 | PR | Community | 5,388 |
| CALCASIEU PARISH WW DISTRICT NO 5 | LA1019084 | Louisiana | Community | 5,388 |
| IRONWOOD | MI0003420 | Michigan | Community | 5,387 |
| ST. HELENA, CITY OF | CA2810004 | California | Community | 5,386 |
| STANDARD DEDEAUX WATER ASSOCIATION | MS0230063 | Mississippi | Community | 5,386 |
| SPRING HILL UTILITY DIST. | TX0920007 | Texas | Community | 5,385 |
| RES MISSISSINEWA-PT | IN2850149 | Transient Non-Community | 5,380 | |
| ST MARY PARISH W&S #2 BAYOU VISTA | LA1101015 | Louisiana | Community | 5,379 |
| WESTERN CASS WSC | TX0340066 | Texas | Community | 5,376 |
| PIKE COUNTY PWD 1 | IL1495000 | Illinois | Community | 5,375 |
| PONDEROSA DWID | AZ0409023 | Arizona | Community | 5,375 |
| L-M-S CONSERVANCY DISTRICT | IN5215007 | Indiana | Community | 5,375 |
| HICKORY CREEK SUD | TX1160062 | Texas | Community | 5,373 |
| OAK RIDGE NATIONAL LAB X-10 | TN0001060 | Tennessee | Non-Transient Non-Community | 5,373 |
| KING COUNTY WATER DISTRICT #54 | WA5339950 | Washington | Community | 5,373 |
| GODDARD, CITY OF | KS2017325 | Kansas | Community | 5,372 |
| CITY OF BRADY WATER SYSTEM | TX1540001 | Texas | Community | 5,371 |
| Mattawa City of | WA5352000 | Washington | Community | 5,370 |
| DEQUINCY WATER SYSTEM (LAWCO) | LA1019008 | Louisiana | Community | 5,370 |
| WATERFORD WATERWORKS | WI2520202 | Wisconsin | Community | 5,368 |
| CAVE SPRINGS WATERWORKS | AR0000043 | Arkansas | Community | 5,365 |
| SEVIER CO WATER ASSOCIATION | AR0000868 | Arkansas | Community | 5,365 |
| SOUTHWEST ISD MAIN | TX0150190 | Texas | Non-Transient Non-Community | 5,364 |
| BROOKSHIRE MWD | TX2370004 | Texas | Community | 5,364 |
| WINSLOW TWP MUN UTIL-IVYSTONE | NJ0435001 | New Jersey | Community | 5,364 |
| ELBA, THE WW AND EB OF THE CITY OF | AL0000295 | Alabama | Community | 5,361 |