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 |
|---|---|---|---|---|
| CALIFORNIA INSTITUTION FOR MEN | CA7300121 | California | Community | 4,500 |
| UPMC MONTEFIORE | PA5020806 | Pennsylvania | Non-Transient Non-Community | 4,500 |
| TOWN OF DENTON | MD0050001 | Maryland | Community | 4,500 |
| PHOENIX INTERNATIONAL RACEWAY | AZ0407406 | Arizona | Non-Transient Non-Community | 4,500 |
| PORT EWEN WATER DISTRICT | NY5503382 | New York | Community | 4,500 |
| NEW WILMINGTON BORO WATER DEPT | PA6370035 | Pennsylvania | Community | 4,500 |
| OZARK SHORES WATER CO | MO3036157 | Missouri | Community | 4,500 |
| MENOKEN WD | CO0143506 | Colorado | Community | 4,500 |
| ANNISTON ARMY DEPOT | AL0001494 | Alabama | Community | 4,500 |
| TUSKEGEE UNIVERSITY | AL0000869 | Alabama | Community | 4,500 |
| PRESCOTT WATERWORKS | AR0000394 | Arkansas | Community | 4,500 |
| BEAR CREEK MOUNTAIN RESORT | PA3060310 | Pennsylvania | Non-Transient Non-Community | 4,500 |
| DOT-REST AREA #34 | GA1290002 | Georgia | Transient Non-Community | 4,500 |
| BOGER CITY SANITARY DISTRICT | NC0155025 | North Carolina | Community | 4,500 |
| PA AMERICAN WATER KITTANNING | PA5030008 | Pennsylvania | Community | 4,499 |
| SOUTH SHORE WATER ASSN., INC. | FL5260262 | Florida | Community | 4,498 |
| MURPHY, TOWN OF | NC0120010 | North Carolina | Community | 4,498 |
| MARTEL UTILITY DISTRICT | TN0000434 | Tennessee | Community | 4,498 |
| MILFORD TWP WATER AUTHORITY | PA1090125 | Pennsylvania | Community | 4,497 |
| BLACKSBURG TOWN OF (SC1110002) | SC1110002 | South Carolina | Community | 4,496 |
| SO CAL WC - LENWOOD | CA3610035 | California | Community | 4,496 |
| MOUNT EPHRAIM WATER DEPARTMENT | NJ0425001 | New Jersey | Community | 4,495 |
| RAY WATER COMPANY INC | AZ0410095 | Arizona | Community | 4,495 |
| FRISCO TOWN OF | CO0159055 | Colorado | Community | 4,495 |
| NORTHSTAR CSD - MARTIS VALLEY | CA3110051 | California | Community | 4,493 |
| WEST JEFFERSON VILLAGE PWS | OH4902012 | Ohio | Community | 4,488 |
| EUNICE WATER SUPPLY SYSTEM | NM3521513 | New Mexico | Community | 4,487 |
| WEST MANHEIM WATER AUTH | PA7670120 | Pennsylvania | Community | 4,487 |
| AMGEN MANUFACTURING, LTD | PR0640016 | PR | Non-Transient Non-Community | 4,485 |
| CSU FOOTHILLS CAMPUS | CO0235182 | Colorado | Non-Transient Non-Community | 4,483 |
| GBRA CALHOUN COUNTY RURAL WATER SYSTEM | TX0290007 | Texas | Community | 4,482 |
| ROYAL WATERWORKS, INC | FL4061517 | Florida | Community | 4,481 |
| EDINBURGH WATER UTILITY | IN5241002 | Indiana | Community | 4,480 |
| SMITHS CROSSING WATER ASSN | MS0640014 | Mississippi | Community | 4,480 |
| ROXBURY TWP W DEPT-SKY V | NJ1436004 | New Jersey | Community | 4,478 |
| GLENDALE UTILITY DISTRICT | MS0180007 | Mississippi | Community | 4,477 |
| DYERSVILLE MUNICIPAL WATER CO | IA3130091 | Iowa | Community | 4,477 |
| CONSOLIDATED U D #4-RUTHERFORD | TN0000794 | Tennessee | Community | 4,475 |
| FALFURRIAS UTILITY BOARD | TX0240001 | Texas | Community | 4,473 |
| QUEBRADA ARENAS | PR0003882 | Community | 4,472 | |
| NORTHWEST HARRIS COUNTY MUD 23 | TX1011746 | Texas | Community | 4,470 |
| MID-OHIO WSD - JACKSON STREET WTP | OH4901112 | Ohio | Community | 4,467 |
| MUNFORD WATER AUTHORITY, INC. | AL0001247 | Alabama | Community | 4,467 |
| OTIS MDWCA | NM3521308 | New Mexico | Community | 4,464 |
| DAJAOS | PR0005547 | PR | Community | 4,464 |
| WOODCREEK MUD | TX1011237 | Texas | Community | 4,464 |
| RENN ROAD MUD | TX1011834 | Texas | Community | 4,464 |
| NEW FREEDOM BORO WATER AUTH | PA7670082 | Pennsylvania | Community | 4,464 |
| HARRIS COUNTY MUD 365 | TX1013009 | Texas | Community | 4,461 |
| LYONS | GA2790000 | Georgia | Community | 4,458 |