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 |
|---|---|---|---|---|
| PATUXENT NAVAL AIR STATION (NAVFAC-WASH) | MD0180022 | Maryland | Community | 22,000 |
| HIGHLAND CITY | UTAH25014 | Utah | Community | 22,000 |
| NOGALES CITY OF | AZ0412004 | Arizona | Community | 22,000 |
| N.A.S. JACKSONVILLE | FL2161212 | Florida | Community | 22,000 |
| MONTVILLE TWP MUA | NJ1421003 | New Jersey | Community | 22,000 |
| SEBRING UTILITIES COMMISSION | FL5280250 | Florida | Community | 22,000 |
| USAF-ROBINS AB MAIN | GA1530042 | Georgia | Community | 22,000 |
| NORTH OGDEN CITY | UTAH29010 | Utah | Community | 22,000 |
| TEMESCAL VALLEY WATER DISTRICT | CA3310074 | California | Community | 21,971 |
| NILES CITY PWS | OH7802403 | Ohio | Community | 21,961 |
| LOGE CAMP MT. SHASTA | CA4700563 | Washington | Transient Non-Community | 21,938 |
| PUD #1 OF ASOTIN COUNTY | WA5393343 | Washington | Community | 21,930 |
| FERNANDINA BEACH WTP | FL2450364 | Florida | Community | 21,925 |
| SHAFTER, CITY OF | CA1510019 | California | Community | 21,915 |
| KING COUNTY WATER DISTRICT #125 | WA5341998 | Washington | Community | 21,904 |
| SOUTHEASTERN WATER ASSOC/NELSON VALLEY | KY1000311 | Kentucky | Community | 21,895 |
| CHARTER TOWNSHIP OF DELTA | MI0001790 | Michigan | Community | 21,856 |
| SELMA, THE WW AND SB OF THE CITY OF | AL0000490 | Alabama | Community | 21,834 |
| CALEDONIA WATER UTILITY - VILLAGE OF | WI2520184 | Wisconsin | Community | 21,819 |
| ADAMS COUNTY REGIONAL WD PWS | OH0100012 | Ohio | Community | 21,810 |
| MANSFIELD WATER DIVISION | MA4167000 | Massachusetts | Community | 21,797 |
| TOHO WATER AUTHORITY-POINCIANA WTP #2 | FL3494315 | Florida | Community | 21,792 |
| MANDAN CITY OF | ND3000596 | North Dakota | Community | 21,769 |
| CAMPBELL COUNTY CENTRAL SYSTEM | VA5031150 | Virginia | Community | 21,761 |
| DARIEN | IL0430270 | Illinois | Community | 21,751 |
| CHILLICOTHE CITY PWS | OH7100112 | Ohio | Community | 21,725 |
| SEDALIA PWS | MO3010728 | Missouri | Community | 21,725 |
| HAMILTON TOWNSHIP MUA | NJ0112001 | New Jersey | Community | 21,720 |
| MOUNT PLEASANT | MI0004530 | Michigan | Community | 21,688 |
| PARK FOREST | IL0314740 | Illinois | Community | 21,687 |
| LINCOLN WATER COMMISSION | RI1858423 | Rhode Island | Community | 21,664 |
| WILMINGTON WATER DEPT | MA3342000 | Massachusetts | Community | 21,654 |
| LINDA COUNTY WATER DISTRICT | CA5810002 | California | Community | 21,654 |
| SCARSDALE WATER DEPARTMENT | NY5903457 | New York | Community | 21,649 |
| ENDWELL WD | NY0311214 | New York | Community | 21,620 |
| SYLVANIA CITY | OH4801303 | Ohio | Community | 21,618 |
| FRENCHTOWN TOWNSHIP | MI0002500 | Michigan | Community | 21,609 |
| IMPERIAL, CITY OF | CA1310006 | California | Community | 21,591 |
| NWWA WARRINGTON TOWNSHIP | PA1090070 | Pennsylvania | Community | 21,588 |
| GRAND CHUTE TN SAN DIST 1 | WI4450429 | Wisconsin | Community | 21,583 |
| SANTA FE I.D. | CA3710023 | California | Community | 21,578 |
| EL DORADO IRRIGATION DISTRICT | CA0910020 | California | Community | 21,573 |
| WESTBOROUGH WATER DEPARTMENT | MA2328000 | Massachusetts | Community | 21,567 |
| LAFAYETTE WATER SYSTEM | TN0000373 | Tennessee | Community | 21,551 |
| MUSKINGUM COUNTY WATER - SE | OH6000412 | Community | 21,540 | |
| ARROYO | PR0004575 | PR | Community | 21,524 |
| FOREST CITY, TOWN OF | NC0181010 | North Carolina | Community | 21,521 |
| RAYMORE PWS | MO1010675 | Missouri | Community | 21,517 |
| WASHINGTON STATE UNIVERSITY | WA5393200 | Washington | Community | 21,506 |
| BARTOW, CITY OF | FL6530315 | Florida | Community | 21,501 |