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 |
|---|---|---|---|---|
| ANAMOSA MUNICIPAL WATER SUPPLY | IA5307048 | Iowa | Community | 4,457 |
| MAUSTON WATERWORKS | WI7290129 | Wisconsin | Community | 4,456 |
| MSWASA - GREEN HILLS | FL4130456 | Florida | Community | 4,456 |
| PLACER COUNTY WATER AGENCY | CA3110007 | California | Community | 4,456 |
| WOODSTOWN WATER DEPARTMENT | NJ1715001 | New Jersey | Community | 4,455 |
| BLACKSHEAR | GA2290000 | Georgia | Community | 4,455 |
| ST. JOSEPH'S HOSPITAL | FL6296137 | Florida | Non-Transient Non-Community | 4,454 |
| BEAUFORT, TOWN OF | NC0416010 | North Carolina | Community | 4,452 |
| HARRIS COUNTY MUD 370 | TX1013113 | Texas | Community | 4,452 |
| WENDELL, TOWN OF | NC0392035 | North Carolina | Community | 4,451 |
| TOWN OF ELIZABETH | IN5231007 | Indiana | Community | 4,450 |
| HIGHLAND HTS WATER/SEWER DEPT | KY0190195 | Kentucky | Community | 4,450 |
| SMALLWOOD WEST | MD0080080 | Maryland | Community | 4,450 |
| PINEY CHURCH | MD0080079 | Maryland | Community | 4,450 |
| WHITE OAK | MD0080078 | Maryland | Community | 4,450 |
| TOWNE PLAZA | MD0080077 | Maryland | Community | 4,450 |
| ST. PAUL | MD0080076 | Maryland | Community | 4,450 |
| ST. CHARLES | MD0080075 | Maryland | Community | 4,450 |
| PINEFIELD | MD0080074 | Maryland | Community | 4,450 |
| JOHN HANSON | MD0080073 | Maryland | Community | 4,450 |
| WESTWOOD DR | MD0080072 | Maryland | Community | 4,450 |
| BILLINGSLEY ROAD | MD0080071 | Maryland | Community | 4,450 |
| WALDORF | MD0080070 | Maryland | Community | 4,450 |
| COLUMBIA FALLS CITY OF | MT0000181 | Montana | Community | 4,450 |
| SLATINGTON BOROUGH WATER SYS | PA3390039 | Pennsylvania | Community | 4,450 |
| GOODLAND, CITY OF | KS2018102 | Kansas | Community | 4,450 |
| MIFFLINTOWN MUNI AUTH | PA4340008 | Pennsylvania | Community | 4,450 |
| UNITED WATER SYSTEM | LA1099009 | Louisiana | Community | 4,446 |
| TOWN OF BYHALIA | MS0470001 | Mississippi | Community | 4,446 |
| KEATCHIE WATER SYSTEM | LA1031007 | Louisiana | Community | 4,446 |
| CLAY ROAD MUD | TX1011681 | Texas | Community | 4,443 |
| TOWN OF BAR HARBOR- WATER DIVISION | ME0090120 | Maine | Community | 4,443 |
| ROCKY FORD CITY OF | CO0145600 | Colorado | Community | 4,443 |
| BALDWIN WATERWORKS | WI6560119 | Wisconsin | Community | 4,440 |
| ATKINS WATER SYSTEM | AR0000441 | Arkansas | Community | 4,439 |
| PEARL RIVER CENTRAL W/A-HENLEY FIELD | MS0550060 | Mississippi | Community | 4,438 |
| NORTHWEST CLAY COUNTY UTILITY | TN0000573 | Tennessee | Community | 4,437 |
| INDIANA AMERICAN WATER - SHERIDAN | IN5229014 | Indiana | Community | 4,435 |
| BOONESBORO WT ASSOC/KY AMER | KY0250035 | Kentucky | Community | 4,435 |
| WAYLAND | MI0006940 | Michigan | Community | 4,435 |
| DAWSONVILLE | GA0850000 | Georgia | Community | 4,433 |
| WAVERLY CITY PWS | OH6600912 | Ohio | Community | 4,433 |
| NARRAGANSETT WATER DEPT-NORTH END | RI1858429 | Rhode Island | Community | 4,432 |
| BELFAIR WATER DISTRICT 1 | WA5305350 | Washington | Community | 4,432 |
| SOUTH SIDE U.D. #1 | TN0000904 | Tennessee | Community | 4,431 |
| FREDERICKTOWN PWS | MO4010290 | Missouri | Community | 4,429 |
| CITY OF THREE RIVERS | TX1490002 | Texas | Community | 4,428 |
| TOWN OF MANY WATER SYSTEM | LA1085016 | Louisiana | Community | 4,428 |
| CANAAN UTILITIES | IN5239001 | Indiana | Community | 4,428 |
| CAWOOD WATER DISTRICT | KY0480565 | Kentucky | Community | 4,428 |