Browse Water Systems

23,977 public water systems in WI.

Public Water Systems Database

Browse 23,977 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
ST JOHNS EV LUTHERAN CHURCH OAK CREEK WI2410767 Wisconsin Transient Non-Community 400
GLEN OAKS OFFICE PARK WI2461154 Wisconsin Non-Transient Non-Community 400
ABRAMS ELEMENTARY SCHOOL WI4430588 Wisconsin Non-Transient Non-Community 400
WI DNR HARRINGTON BEACH SHOWER BLDG WI2461584 Wisconsin Transient Non-Community 400
ELCHO SANITARY DISTRICT 1 WI7340117 Wisconsin Community 400
CAMP JUNIPER KNOLL WI2650440 Wisconsin Transient Non-Community 400
WI DNR KMSFNU LONG LAKE PUMPHOUSE WI4200544 Wisconsin Transient Non-Community 400
CASCADE MTN SKI - DAISY RESTAURANT WELL WI1110006 Wisconsin Transient Non-Community 400
PIONEER ESTATES OF DELAVAN WI2650116 Wisconsin Community 400
SUNSET RIDGE ELEMENTARY SCHOOL WI1132847 Wisconsin Non-Transient Non-Community 400
GRASSLAND DAIRY PROD INC WI6100259 Wisconsin Non-Transient Non-Community 400
PORT WING SANITARY DISTRICT WI8040094 Wisconsin Community 400
ST BONIFACE CATHOLIC CHURCH WI1570323 Wisconsin Transient Non-Community 400
CHRISTIAN EDUCATION LEADERSHIP ACADEMY WI2686490 Wisconsin Non-Transient Non-Community 400
MILLBURN SCHOOL IL3019562 Wisconsin Non-Transient Non-Community 400
RESERVE 055295302 Wisconsin Community 399
SCHLITZ AUDUBON NATURE CENTER WI3411152 Wisconsin Non-Transient Non-Community 399
TRINITY LUTHERAN CHURCH & SCHOOL WI2520415 Wisconsin Non-Transient Non-Community 398
BLOUNT INC WI8510333 Wisconsin Transient Non-Community 396
DELAVAN CLUB CONDOS WI2650929 Wisconsin Community 395
READSTOWN WATERWORKS WI6630261 Wisconsin Community 395
TREVOR WILMOT CONSOLIDATED SCHOOL WI2300223 Wisconsin Non-Transient Non-Community 394
TREVOR WILMOT CONSOLIDATED SCHOOL ADDITION WI2302047 Wisconsin Non-Transient Non-Community 394
TREMPEALEAU CO HEALTH CARE WI6620334 Wisconsin Community 392
PLEASANT VIEW SCHOOL WI2410675 Wisconsin Non-Transient Non-Community 391
TYROL BASIN CHALET WI1130383 Wisconsin Transient Non-Community 390
CHAPMAN OIL INC WI2686118 Wisconsin Non-Transient Non-Community 386
CUDDS MOBILE HOME CT INC WI6480203 Wisconsin Community 385
HOWARDS GROVE MIDDLE SCHOOL WI4600482 Wisconsin Non-Transient Non-Community 385
SHEPHERD OF THE HILLS SCH WI4200343 Wisconsin Non-Transient Non-Community 385
SARGENTO CHEESE INC BAKER PLANT WI4201393 Wisconsin Non-Transient Non-Community 385
BROWN STREET MARKET PLACE WI2682416 Wisconsin Transient Non-Community 384
OKAUCHEE SCHOOL WI2680676 Wisconsin Non-Transient Non-Community 382
ARMSTRONG PARK DAY CARE & JMBA CENTER WI2521273 Wisconsin Non-Transient Non-Community 380
WI DNR GOV DODGE TWIN VALLEY 200 WI1250100 Wisconsin Transient Non-Community 375
NELSON WATER & SEWER DEPT WI6060232 Wisconsin Community 375
SOLON SPRINGS SCHOOL WI8160178 Wisconsin Non-Transient Non-Community 375
ROCKFIELD SCHOOL WI2670332 Wisconsin Non-Transient Non-Community 375
LINCOLN ERDMAN SCHOOL WI4600656 Wisconsin Non-Transient Non-Community 373
PIZZARIA UNO WI2681923 Wisconsin Transient Non-Community 372
CONGREGATIONAL HOME WI2680185 Wisconsin Community 372
GILMAN WATERWORKS WI8610124 Wisconsin Community 372
CULVERS - ELM GROVE WI2686315 Wisconsin Transient Non-Community 372
ST GABRIEL SCHOOL WI2670481 Wisconsin Non-Transient Non-Community 371
STILLSON ELEMENTARY SCHOOL WI6091441 Wisconsin Non-Transient Non-Community 371
MEQUON BUSINESS PARK WI2460839 Wisconsin Non-Transient Non-Community 370
TIKI BEACH RESORT KML WI4201629 Wisconsin Transient Non-Community 370
OPERATING ENGINEERS TRAINING CTR WI4700245 Wisconsin Transient Non-Community 370
LYSTER LUTHERAN CHURCH WI6060242 Wisconsin Transient Non-Community 370
PLEASANT HILL SCHOOL WI2680665 Wisconsin Non-Transient Non-Community 369