Browse Water Systems
22,144 public water systems in WI.
Public Water Systems Database
Browse 22,144 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 |
|---|---|---|---|---|
| DURAND WATERWORKS | WI6470107 | Wisconsin | Community | 1,868 |
| PORT EDWARDS WATER UTILITY | WI7720113 | Wisconsin | Community | 1,866 |
| FOX LAKE CORRECTIONAL INSTITUTION | WI1140144 | Wisconsin | Community | 1,850 |
| SPENCER WATERWORKS | WI7370108 | Wisconsin | Community | 1,848 |
| ADAMS WATERWORKS | WI7010107 | Wisconsin | Community | 1,847 |
| NEW ODANAH | 055295102 | Wisconsin | Community | 1,839 |
| WHITEHALL WATERWORKS | WI6620275 | Wisconsin | Community | 1,820 |
| WEYAUWEGA WATERWORKS | WI4690403 | Wisconsin | Community | 1,820 |
| KWIK TRIP #1108 | WI2687028 | Wisconsin | Transient Non-Community | 1,810 |
| WIND POINT WATER DEPT | WI2520191 | Wisconsin | Community | 1,804 |
| HOLE IN THE WALL CASINO | 050595911 | Wisconsin | Non-Transient Non-Community | 1,800 |
| SOUTH LAWN SAN DISTRICT | WI2520197 | Wisconsin | Community | 1,800 |
| RANDOLPH WATER DEPT | WI1110125 | Wisconsin | Community | 1,800 |
| MENARDS PLAZA | WI7370379 | Wisconsin | Non-Transient Non-Community | 1,800 |
| CAMERON WATERWORKS | WI6030127 | Wisconsin | Community | 1,787 |
| PALMYRA WATERWORKS | WI1280112 | Wisconsin | Community | 1,756 |
| MAZOMANIE WATERWORKS | WI1130239 | Wisconsin | Community | 1,744 |
| CITY OF PEWAUKEE WATER & SEWER UTILITY - | WI2684045 | Wisconsin | Community | 1,708 |
| OSSEO WATERWORKS | WI6620328 | Wisconsin | Community | 1,701 |
| EPIC SYSTEMS CORP | WI1133581 | Wisconsin | Non-Transient Non-Community | 1,700 |
| MARATHON CITY WATERWORKS | WI7370151 | Wisconsin | Community | 1,695 |
| GALESVILLE WATERWORKS | WI6620271 | Wisconsin | Community | 1,679 |
| SHOREWOOD HILLS WATERWORKS | WI1130236 | Wisconsin | Community | 1,670 |
| KETTLE MORAINE HIGH SCHOOL & WALES ELEM SCHOOL | WI2680376 | Wisconsin | Non-Transient Non-Community | 1,670 |
| BLACKHAWK TECHNICAL COLLEGE - CENTRAL CAMPUS | WI1540244 | Wisconsin | Non-Transient Non-Community | 1,650 |
| CAMBRIDGE WATER & SEWER UTILITY | WI1130074 | Wisconsin | Community | 1,638 |
| THORP WATERWORKS | WI6100337 | Wisconsin | Community | 1,636 |
| SPRING GREEN WATERWORKS | WI1570109 | Wisconsin | Community | 1,626 |
| FRANKLIN INDUSTRIAL PARK | WI2413452 | Wisconsin | Non-Transient Non-Community | 1,600 |
| RANDOM LAKE WATERWORKS | WI4600355 | Wisconsin | Community | 1,594 |
| FLEET FARM MUSKEGO MAIN STORE | WI2687054 | Wisconsin | Non-Transient Non-Community | 1,585 |
| DARIEN WATERWORKS | WI2650057 | Wisconsin | Community | 1,573 |
| ELKHART LAKE WATERWORKS | WI4600439 | Wisconsin | Community | 1,567 |
| BROOKFIELD ZONE 2 CARRIAGE HILLS | WI2680254 | Wisconsin | Community | 1,550 |
| FEDERAL CORRECTIONAL INSTITUTION | WI7010105 | Wisconsin | Community | 1,550 |
| QUAD GRAPHICS | WI1140401 | Wisconsin | Non-Transient Non-Community | 1,550 |
| SHARON WATERWORKS | WI2650145 | Wisconsin | Community | 1,549 |
| KETTLE MORAINE CORRECTIONAL INSTITUTION | WI4600449 | Wisconsin | Community | 1,544 |
| SOMERS SANITARY DISTRICT | WI2300158 | Wisconsin | Community | 1,530 |
| MCDONALDS LAKE MILLS | WI1280315 | Wisconsin | Non-Transient Non-Community | 1,525 |
| MCDONALDS MEQUON | WI2460998 | Wisconsin | Transient Non-Community | 1,524 |
| CLEVELAND WATERWORKS | WI4360426 | Wisconsin | Community | 1,524 |
| BROOKLYN WATERWORKS | WI1230075 | Wisconsin | Community | 1,524 |
| KWIK TRIP #306 LAKE MILLS | WI1280951 | Wisconsin | Transient Non-Community | 1,520 |
| RIVER BEND RESORT | WI1280240 | Wisconsin | Transient Non-Community | 1,520 |
| BANGOR WATERWORKS | WI6320233 | Wisconsin | Community | 1,520 |
| PINE CONE TRAVEL PLAZA | WI1280394 | Wisconsin | Transient Non-Community | 1,519 |
| KWIK TRIP 346 BEAVER DAM | WI1140189 | Wisconsin | Transient Non-Community | 1,518 |
| HURLEY WATERWORKS | WI8260116 | Wisconsin | Community | 1,515 |
| INDEPENDENCE WATERWORKS | WI6620276 | Wisconsin | Community | 1,500 |