Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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CATERPILLAR INC R ANDERSON
IL3055889 · 6,500 served
CATERPILLAR PEORIA PROVING GRD
IL3055871 · 535 served
CATERPILLAR PROVING GROUNDS
IL0020008 · 100 served
CATERPILLAR PROVING GROUNDS
IL0055871 · 25 served
CATERPILLAR TRACTOR CMPNY
IL1439110 · 25 served
CATERPILLAR TRACTOR CO
IL0055889 · 25 served
CATERPILLAR TRACTOR CO
IL0082271 · 6,000 served
CATERPILLAR TRAIL PWD
IL2035030 · 5,125 served
CATERPILLER - PEORIA PROVING GROUNDS
IL3161992 · 31 served
CATFISH CHALET
IL3008466 · 25 served
CATFISH CHALET
IL0008466 · 25 served
CATHEDRAL BAPTIST CHURCH
IL0096859 · 200 served
CATHEDRAL BAPTIST CHURCH
IL3096859 · 200 served
CATHEDRAL BAPTIST CHURCH
IL3116202 · 20 served
CATHOLIC WAR VETERAN'S FARM
IL0002618 · 35 served
CATHOLIC WAR VETERANS
IL3002618 · 100 served
CATHYS CUE AND BREW
IL3019919 · 150 served
CATLIN
IL1830150 · 2,380 served
CATLIN IGA R/O UNIT
IL3124024 · 25 served
CATLIN PARK BATH HOUSE
IL3165746 · 28 served
CATTAIL CAFE
IL0013813 · 25 served
CATTAIL SLOUGH
IL0016535 · 25 served
CATTAWI CONSTRUCTION
IL0089151 · 25 served
CATTY CORPORATION
IL3141267 · 49 served
CAVE IN ROCK STT PK
IL0699500 · 25 served
CAVE-IN-ROCK
IL0690050 · 228 served
CAVE-IN-ROCK STATE PARK
IL3093682 · 25 served
CAZENOVIA MENNONITE CHURCH
IL3070623 · 75 served
CAZENOVIA MENNONITE CHURCH
IL0070623 · 30 served
CBRE WEST PLAZA
IL3147801 · 600 served
CCI MANUFACTURING
IL3161240 · 57 served
CD AND ME
IL3148809 · 100 served
CECCHIN PLBG HTG INC
IL0040113 · 25 served
CECCHIN PLBG HTG INC
IL3040113 · 25 served
CECO RECREATION ASSOCIATION
IL3138016 · 125 served
CEDAR BROOK CAMPGROUND
IL0002170 · 50 served
CEDAR BROOK ESTATES SUBDIVISION
IL1615170 · 450 served
CEDAR CREEK - CAMPGROUND WELL(729)
IL3000729 · 25 served
CEDAR CREEK -MAIN WELL
IL3113647 · 25 served
CEDAR CREEK- REC CENTER(489)
IL3000489 · 25 served
CEDAR GRILL
IL3128348 · 70 served
CEDAR HLS HOMEOWNERS ASSN
IL2035040 · 25 served
CEDAR INN
IL3103697 · 50 served
CEDAR JUNCTION
IL3121269 · 50 served
CEDAR LAKE RESORT
IL0002857 · 100 served
CEDAR LAKES CAMPING & FISHING
IL0003293 · 25 served
CEDAR PARK CEMETARY
IL0095703 · 25 served
CEDAR PATH NURSERIES
IL3053157 · 30 served
CEDAR POINT WATER COMPANY
IL0995040 · 266 served
CEDARBROOK RV CAMPGROUNDS
IL3002170 · 35 served