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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HOPEWELL BAPTIST CHURCH
IL3053298 · 25 served
HOPEWELL BAPTIST CHURCH
IL3060418 · 25 served
HOPKINS PARK
IL0910040 · 579 served
HOPKINS PARK VILLAGE HALL
IL3078428 · 100 served
HOPKINS WELDING SHOP
IL0050088 · 25 served
HOPKINS WELDING SHOP
IL3050088 · 25 served
HORACE MANN SCHOOL
IL0048561 · 425 served
HORACE MANN SCHOOL
IL3048561 · 405 served
HORIZONS CHILD CARE
IL3129536 · 170 served
HORIZONTALS SALOON
IL3062968 · 50 served
HORNBILL ASIAN GROCERY
IL3165597 · 25 served
HORNERS PARK
IL0002493 · 25 served
HORNET NEST RADIO
IL0039586 · 25 served
HORNET NEST RADIO
IL3039586 · 25 served
HORNFIELD CAMPUS WIU
IL3103531 · 25 served
HORSE CENTER
IL0087080 · 25 served
HORSE CENTER
IL3087080 · 25 served
HORSE FAIR PARK
IL3131763 · 50 served
HORSE SHOE INN
IL0022442 · 40 served
HORSE SHOE INN
IL3022442 · 40 served
HORSEMAN ASSOCIATION CLUB
IL3041046 · 40 served
HORSEMEN STABLES LTD
IL0084939 · 100 served
HORSEMEN STABLES LTD
IL3084939 · 100 served
HORSESHOE LAKE CONS AREA
IL3005967 · 25 served
HORSESHOE LAKE ST PARK WELL #3
IL3116913 · 35 served
HORSESHOE LAKE STATE PARK
IL3116863 · 35 served
HORSESHOE LAKE STATE PARK
IL3116905 · 35 served
HORSESHOE LAKE STT PK
IL1199520 · 25 served
HORSESHOW STATE PARK
IL0005967 · 100 served
HORSETAIL LAKE 5044
IL3102293 · 25 served
HORSETAIL LAKE 5044
IL0102293 · 25 served
HOSANNA LUTHERAN CHURCH
IL3154179 · 25 served
HOSANNA| LUTHERN CHURCH
IL3116830 · 400 served
HOT ROD NELLIES
IL3161919 · 25 served
HOT ROD SHOP
IL3027110 · 25 served
HOTDOG EXPRESS
IL3109736 · 100 served
HOUSE GROVE FOREST PRESERVE
IL0015180 · 25 served
HOUSE GROVE FOREST PRESERVE
IL3015180 · 25 served
HOUSE OF BOTTLES
IL0062828 · 25 served
HOUSE OF BOTTLES
IL3062828 · 25 served
HOUSE OF LAWRENCE
IL3063529 · 25 served
HOUSE OF LAWRENCE
IL0063529 · 25 served
HOUSE OF LYNWOOD
IL0092312 · 100 served
HOWARD B THOMAS GRADE SCHOOL
IL3135145 · 575 served
HOWARD MOTORS
IL0027763 · 50 served
HOWARD MOTORS
IL3027763 · 50 served
HOWARD PIPE & CONCRETE CO
IL0038422 · 50 served
HOWARD PLAZA
IL3103143 · 56 served
HOWARD PRINTING INC
IL3017822 · 25 served
HOWARD VIRGIN TIMBER PARK
IL3113282 · 150 served