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 |
|---|---|---|---|---|
| LORAIN CITY PWS | OH4700711 | Ohio | Community | 64,152 |
| CALIFORNIA WATER SERVICE-S SAN FRANCISCO | CA4110009 | California | Community | 64,146 |
| CONWAY WATER SYSTEM | AR0000189 | Arkansas | Community | 64,008 |
| Coon Rapids | MN1020017 | Minnesota | Community | 64,000 |
| CITY OF JAX - HIGHLANDS WTP | FL2164370 | Community | 63,910 | |
| TAMARAC (WEST), CITY OF | FL4061429 | Florida | Community | 63,793 |
| PONTIAC | MI0005440 | Michigan | Community | 63,776 |
| Eden Prairie | MN1270010 | Minnesota | Community | 63,726 |
| FT COLLINS LOVELAND WD | CO0135292 | Colorado | Community | 63,532 |
| GSWC - FLORENCE/GRAHAM | CA1910077 | California | Community | 63,500 |
| PORTERVILLE, CITY OF | CA5410010 | California | Community | 63,487 |
| CITY OF PFLUGERVILLE | TX2270014 | Texas | Community | 63,464 |
| TAYLOR | MI0006545 | Michigan | Community | 63,409 |
| CAMPBELL COUNTY WATER DIST | KY0190057 | Kentucky | Community | 63,346 |
| WEST ALLIS WATERWORKS | WI2410595 | Wisconsin | Community | 63,240 |
| HAVERHILL WATER DEPT | MA3128000 | Massachusetts | Community | 63,235 |
| CLERMONT COUNTY WATER, BMWTP | OH1300431 | Ohio | Community | 63,191 |
| BROOKLINE WATER AND SEWER DIVISION | MA3046000 | Massachusetts | Community | 63,191 |
| CITY OF LA HABRA | CA3010018 | California | Community | 63,118 |
| LOWER BUCKS CO JOINT MUN AUTH | PA1090026 | Pennsylvania | Community | 63,007 |
| OSHKOSH WATERWORKS | WI4710457 | Wisconsin | Community | 63,000 |
| CITY OF BAYONNE | NJ0901001 | New Jersey | Community | 63,000 |
| CROFTON-ODENTON | MD0020008 | Maryland | Community | 62,986 |
| TIGARD, CITY OF | OR4100878 | Oregon | Community | 62,500 |
| CITY OF PITTSBURG | CA0710008 | California | Community | 62,500 |
| ALTOONA WATER AUTHORITY | PA4070023 | Pennsylvania | Community | 62,500 |
| HAMILTON PUBLIC WATER SYSTEM | OH0904012 | Ohio | Community | 62,447 |
| SOUTHEAST MORRIS COUNTY MUA | NJ1424001 | New Jersey | Community | 62,349 |
| CITY OF MARGATE | FL4060845 | Florida | Community | 62,254 |
| FORT GEORGE G. MEADE | MD0020012 | Maryland | Community | 62,234 |
| REGIONAL UTILITIES WATER SYSTEM | FL1660596 | Florida | Community | 62,225 |
| JBLM Lewis | WA5326050 | Washington | Community | 62,197 |
| REVERE WATER DIVISION (MWRA) | MA3248000 | Massachusetts | Community | 62,186 |
| MONTEREY PARK-CITY, WATER DEPT. | CA1910092 | California | Community | 62,183 |
| TAUNTON WATER DIVISION | MA4293000 | Massachusetts | Community | 62,165 |
| HANFORD, CITY OF | CA1610003 | California | Community | 62,127 |
| SPRINGFIELD UTILITY BOARD | OR4100837 | Oregon | Community | 62,100 |
| LAKEWOOD WATER DISTRICT | WA5345550 | Washington | Community | 62,089 |
| DANBURY WATER DEPARTMENT | CT0340011 | Connecticut | Community | 62,055 |
| ARIZONA WATER CO - APACHE JUNCTION | AZ0411004 | Arizona | Community | 62,055 |
| DEERFIELD BEACH, CITY OF | FL4060254 | Florida | Community | 62,000 |
| HAMPTON SHALER WATER AUTHORITY | PA5020019 | Pennsylvania | Community | 61,949 |
| NJAWCO SWIMMING RIVER PLANT | NJ1514001 | New Jersey | Community | 61,925 |
| SCHENECTADY CITY WATER WORKS | NY4600070 | New York | Community | 61,821 |
| Burnsville | MN1190002 | Minnesota | Community | 61,747 |
| RIDGEWOOD WATER | NJ0251001 | New Jersey | Community | 61,700 |
| MEDFORD WATER DEPT. (MWRA) | MA3176000 | Massachusetts | Community | 61,700 |
| WDW-SUBDISTRICT I-PUMP STA A | FL3484094 | Florida | Community | 61,691 |
| NORTH MARIN WATER DISTRICT | CA2110003 | California | Community | 61,691 |
| CITY OF EULESS | TX2200031 | Texas | Community | 61,601 |