Utilities in Wisconsin
24,823 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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OLSEN FEED MILL FLOWING WELL
WI4700320 · 25 served
OLSENS HAYLOFT OF BOULDER
WI7641426 · 30 served
OLSON COTTAGES
WI4151009 · 25 served
OLSON FLOOR COVERING INC
WI7370356 · 25 served
OLSON HOME
WI4151111 · 25 served
OLSON KOUNTRY MOTORS
WI6320482 · 35 served
OLSON TOON LANDSCAPING
WI1134070 · 35 served
OLSON TRAILER COURT
WI4590693 · 25 served
OLSONS
WI8070415 · 25 served
OLSONS CAMPGROUND
WI7640245 · 30 served
OLSONS COTTAGE
WI4151088 · 25 served
OLSONS DE LAVEL
WI1220205 · 25 served
OLSONS GROCERY
WI1540237 · 25 served
OLSONS HOME
WI4150627 · 25 served
OLYMPIA BROWN SCHOOL
WI2520872 · 400 served
OLYMPIA MOTEL
WI1570390 · 100 served
OLYMPIA SPORTS VILLAGE
WI8260232 · 25 served
OLYMPIC SPORTS CAMP 4
WI4080324 · 25 served
OMA COMMUNITY CENTER
WI8260146 · 25 served
OMA TOWN SUPPLEMENTAL WELL
WI8260286 · 25 served
OMAHA TRAIL WAYSIDE
WI7290586 · 25 served
OMALLEYS MINI MART
WI4430775 · 25 served
OMARS BAR & GRILL
WI8510222 · 25 served
OMEGA FAMILY RESTAURANT
WI2410646 · 100 served
OMEGA FAMILY RESTAURANT
WI7500157 · 25 served
OMERS STANDARD STATION
WI6420351 · 200 served
OMNIFLIGHT HELICOPTERS
WI1540790 · 25 served
OMNIFLIGHT HELICOPTERS 1 WEST
WI1540292 · 25 served
OMRO DAIRY LLC
WI4710026 · 22 served
OMRO JUNCTION SCHOOL
WI4710604 · 100 served
OMRO TN SANITARY DIST NO 1
WI4711642 · 75 served
OMRO WATERWORKS
WI4710357 · 3,629 served
ON A WHIM SWEET TREATS
WI4360325 · 25 served
ON DECK CLOTHING CO
WI4150223 · 110 served
ON MILL POND
WI4390369 · 25 served
ON THE BORDER
WI2410897 · 303 served
ON THE ROCKS KAMPGROUND
WI4590296 · 25 served
ON THE ROCKS KAMPGROUND 300S NORTH
WI4590405 · 25 served
ON THE ROCKS KAMPGROUND 300S SOUTH
WI4590406 · 25 served
ON THE ROCKS KAMPGROUND HOUSE WELL
WI4590329 · 25 served
ON THE ROCKS KAMPGROUND PAVILION
WI4590297 · 25 served
ON THE ROCKS RESORT
WI4150920 · 25 served
ON THE ROX
WI1130707 · 70 served
ONALASKA WATERWORKS
WI6320327 · 18,000 served
ONANGUISSE COTTAGES HOUSE
WI4150598 · 25 served
ONANGUISSE COTTAGES SVENSK
WI4150582 · 25 served
ONDOSSAGON HIGH & ELEMENTARY
WI8040169 · 25 served
ONDOSSAGON KINDERGARTEN
WI8040347 · 25 served
ONE BARREL BREWING
WI4150441 · 25 served
ONE FIFTY-ONE EXPRESS
WI1250320 · 162 served