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.

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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