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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UNITED METHODIST CHURCH ADAIR
IL3003327 · 25 served
UNITED METHODIST CHURCH ADAIR
IL0003327 · 25 served
UNITED OIL PRODUCTS
IL0026997 · 25 served
UNITED OIL PRODUCTS
IL3026997 · 25 served
UNITED PARCEL SERVICE
IL0026559 · 25 served
UNITED PARCEL SERVICE
IL3026559 · 25 served
UNITED PRESBYTERIAN CHURCH
IL0024869 · 200 served
UNITED PRESBYTERIAN CHURCH
IL0006650 · 25 served
UNITED PRESBYTERIAN CHURCH
IL3006650 · 25 served
UNITED PRESBYTERIAN CHURCH
IL3024869 · 200 served
UNITED REGIONAL WATER COOP
IL1670260 · 25 served
UNITED SCHOOL DISTRICT 304
IL3036079 · 480 served
UNITED STATES POST OFFICE
IL0040139 · 60 served
UNITED STATES POST OFFICE
IL0039529 · 25 served
UNITED STATES POST OFFICE
IL0047365 · 50 served
UNITED STATES POST OFFICE
IL3040139 · 60 served
UNITED STATES POST OFFICE
IL3047365 · 50 served
UNITED SUPER DIESEL
IL0027045 · 25 served
UNITED SUPER DIESEL
IL3027045 · 25 served
UNITED SUPPLIERS
IL3079541 · 30 served
UNITED TOOL ENGINEERING CO
IL0047357 · 25 served
UNITED TOOL ENGINEERING CO
IL3047357 · 25 served
UNITY CHRISTIAN SCHOOL
IL3046763 · 150 served
UNITY SCHOOL
IL3003442 · 230 served
UNITY SCHOOL
IL0003442 · 230 served
UNITY WATER CORPORATION
IL1315300 · 93 served
UNIV OF ST MARY OF THE LAKE
IL3131458 · 205 served
UNIVERSAL LCKPT CORP
IL0082339 · 60 served
UNIVERSAL LOCKPORT CORP
IL3082339 · 20 served
UNIVERSITY FLATS MHP
IL1190260 · 203 served
UNIVERSITY OF BARBER STYLING
IL0086785 · 30 served
UNIVERSITY OF BARBER STYLING
IL3086785 · 30 served
UNIVERSITY PARK REGIONAL CO
IL3146886 · 25 served
UNIVERSITY PARK REGIONAL COOP
IL3147827 · 30 served
UNIVERSITY PRIMARY CARE/ROCKTON
IL3096206 · 125 served
UNIVERSITY ST MARY OF THE LAKE
IL0971170 · 365 served
UNNAMED CHURCH
IL0033555 · 25 served
UNNAMED CHURCH
IL3033555 · 25 served
UNNAMED CHURCH OPPOSITE ST PAU
IL0033548 · 25 served
UNNAMED CHURCH OPPOSITE ST PAU
IL3033548 · 25 served
UNOCAL CORP CHICAGO REFINERY
IL1977860 · 50 served
UNOCAL PIPELINE
IL3113811 · 37 served
UP FOOD AND LIQUOR
IL3155457 · 100 served
UPSON'S OUTPOST
IL0091215 · 75 served
UPSON'S OUTPOST
IL3091215 · 75 served
URBAN FRESH
IL3150714 · 25 served
URBAN HILLS COUNTRY CLUB
IL0081521 · 25 served
URBAN WASFARE
IL3156844 · 25 served
URBANA SPORTSMAN CLUB
IL0014720 · 25 served
URLAGENES
IL0070573 · 25 served