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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ONE MILE IN II
WI2300323 · 25 served
ONE MORE CAST GRILL & BAR
WI7370378 · 50 served
ONE O ONE
WI4190188 · 25 served
ONE STOP
WI1570472 · 51 served
ONE STOP
WI6090658 · 40 served
ONEIDA #1 OR SITE #1
055295703 · 4,393 served
ONEIDA CO ENTERPRISE CPGD 1 EAST WELL
WI7440854 · 30 served
ONEIDA CO ENTERPRISE CPGD 2 WEST WELL
WI7440853 · 30 served
ONEIDA GOLF SNACK SHACK
WI4050970 · 25 served
ONEIDA GOLF TEE 3
WI4051528 · 25 served
ONEIDA LAKE RESORT BAR
WI7440161 · 25 served
ONEIDA LAKE RESORT RESIDENCE
WI7440159 · 25 served
ONEIDA ONE STOP - HWY-54
050595704 · 99 served
ONEIDA TRIBAL BUILDING
050595701 · 99 served
ONEIDA UN METHODIST CHURCH
WI4450579 · 25 served
ONEIL CREEK CMPGD STORE
WI6091433 · 25 served
ONEIL CREEK CMPGD- WEST/STORE
WI6091411 · 25 served
ONEIL CREEK CMPGD-NORTH
WI6090584 · 75 served
ONEIL CREEK CMPGD-SOUTH
WI6090583 · 200 served
ONEILLS
WI4200296 · 56 served
ONION RIVER TAVERN
WI8040344 · 50 served
ONO UNITED METHODIST CHURCH
WI6480027 · 25 served
ONTARIO WATERWORKS
WI6630259 · 554 served
ONWARD ADC
WI4201642 · 56 served
OOSTBURG WATERWORKS
WI4600445 · 3,110 served
OPAL STOKERS
WI7440887 · 25 served
OPEN DOOR BAPTIST CHURCH
WI6420574 · 50 served
OPEN DOOR BIBLE CHURCH
WI2461187 · 25 served
OPEN HEARTH LODGE
WI4150117 · 25 served
OPEN PANTRY
WI2410659 · 154 served
OPEN PANTRY
WI2410706 · 50 served
OPEN PANTRY
WI4710711 · 75 served
OPEN PANTRY STORE
WI4710653 · 25 served
OPERATING ENGINEERS MAINT BLDG
WI4700650 · 25 served
OPERATING ENGINEERS TRAINING CTR
WI4700245 · 370 served
OPIE & TAMMYS KOUNTRY KORNER
WI8610144 · 42 served
OPIS OL PINE ISLE
WI7440466 · 75 served
OPPORTUNITIES UNLIMITED
WI7441347 · 60 served
ORCHARD HILL ASSEMBLY OF GOD
WI2651369 · 25 served
ORCHARD INN
WI2680473 · 33 served
ORCHARD MANOR
WI1220106 · 220 served
ORCHARD VIEW ELEMENTARY
WI6120285 · 45 served
ORCHARDS AT EGG HARBOR
WI4151972 · 34 served
ORCOA
055295707 · 25 served
OREGON WATERWORKS
WI1130251 · 11,200 served
ORFORDVILLE WATERWORKS
WI1540132 · 1,475 served
ORGANIQUE CLINIC SPA CAFE
WI7350361 · 25 served
ORGANIZED CHAOS
WI8660199 · 25 served
ORIENTAL PALACE
WI4710654 · 25 served
ORIENTAL PALACE RESTAURANT
WI4710640 · 50 served