Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
Is your public water system listed? Claim your free listing →
Claim Your Listing →Showing page 100 of 543 (27,127 systems)
COLUMBIA QUARRY CO
IL0031179 · 50 served
COLUMBIA QUARRY COMPANY
IL3031179 · 25 served
COLUMBIA SPORTSMAN'S CLUB
IL3002303 · 30 served
COLUMBIA SPORTSMAN'S CLUB
IL0002303 · 30 served
COLUMBIA WOODS 5287
IL3073312 · 25 served
COLUMBIA WOODS 5288
IL3073304 · 25 served
COLUMBIA WOODS 5287
IL0073312 · 25 served
COLUMBIA WOODS 5288
IL0073304 · 25 served
COLUMBUS SOUTHERN BAPTIST CHUR
IL0050013 · 25 served
COLUMBUS SOUTHERN BAPTIST CHUR
IL3050013 · 25 served
COLWELL SYSTEMS
IL3077917 · 128 served
COM ED MAZON EMERGENCY OPER
IL3112961 · 25 served
COM ED PRODUCTION TRAINING CTR
IL3112979 · 25 served
COM-ED BRAIDWOOD GENRATNG PLNT
IL3103358 · 25 served
COM-ED GLENBARD AREA HEADQRTRS
IL3040402 · 600 served
COM-ED JOLIET AREA HEADQUARTRS
IL3082206 · 300 served
COMB CURL BEAUTY SHOP
IL0061648 · 100 served
COMB CURL BEAUTY SHOP
IL3061648 · 100 served
COMFORT SUITES
IL3119636 · 210 served
COMLARA EVERGREEN LAKE
IL0014514 · 25 served
COMLARA PARK (#4 HANDPUMP)
IL3054692 · 150 served
COMLARA PARK BEACH WELL
IL3014514 · 300 served
COMLARA PARK CAMPGROUND
IL3056440 · 300 served
COMLARA PARK HQ
IL3055335 · 300 served
COMLARA PARK SHOWERHOUSE
IL3134403 · 50 served
COMM EDISON COMPUTER CENTER
IL3122820 · 34 served
COMM UNIT SCHOOL DIST 205
IL0019760 · 67 served
COMM-ED COMPUTER-CENTER
IL3122812 · 200 served
COMMERCE PARK
IL3152827 · 50 served
COMMERCIAL PROPERTIES
IL3128728 · 50 served
COMMERCIAL STREET DF
IL3152660 · 25 served
COMMISSIONERS PARK
IL0087817 · 100 served
COMMISSIONERS PARK
IL3087817 · 100 served
COMMONFIELDS OF CAHOKIA PWD
IL1635030 · 11,030 served
COMMONWEALTH EDISON
IL0051284 · 70 served
COMMONWEALTH EDISON
IL0083196 · 520 served
COMMONWEALTH EDISON
IL0083246 · 300 served
COMMONWEALTH EDISON
IL3051284 · 70 served
COMMONWEALTH EDISON
IL3131482 · 48 served
COMMONWEALTH EDISON BELVIDERE
IL3110825 · 25 served
COMMONWEALTH EDISON BRAITED #2
IL3114207 · 400 served
COMMONWEALTH EDISON CO
IL0062349 · 25 served
COMMONWEALTH EDISON CO
IL0006882 · 25 served
COMMONWEALTH EDISON CO
IL0020453 · 215 served
COMMONWEALTH EDISON CO
IL0040402 · 125 served
COMMONWEALTH EDISON CO
IL0055541 · 25 served
COMMONWEALTH EDISON CO
IL0081869 · 25 served
COMMONWEALTH EDISON CO
IL0082198 · 25 served
COMMONWEALTH EDISON CO
IL0084475 · 15 served
COMMONWEALTH EDISON CO
IL0093054 · 25 served