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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OLYMPIA FIELDS COUNTRY CLUB N
IL0079855 · 500 served
OLYMPIA FIELDS COUNTRY CLUB N
IL3079848 · 500 served
OLYMPIA FIELDS COUNTRY CLUB N
IL3079855 · 500 served
OLYMPIA FIELDS COUNTRY CLUB RE
IL0080895 · 500 served
OLYMPIA FIELDS COUNTRY CLUB S
IL0079863 · 500 served
OLYMPIA FIELDS COUNTRY CLUB S
IL0079871 · 500 served
OLYMPIA FIELDS COUNTRY CLUB S
IL3079863 · 500 served
OLYMPIA FIELDS COUNTRY CLUB S
IL3079871 · 500 served
OLYMPIA FLDS CC 12 TEE SOUTH
IL3122135 · 25 served
OLYMPIA HIGH SCHOOL
IL0057844 · 1,200 served
OLYMPIA SCHOOL
IL3057844 · 918 served
OMAHA
IL0590250 · 234 served
OMANA CAFE & TRUCKSTOP
IL0052670 · 50 served
OMEGA GROCERY
IL3054338 · 25 served
OMEGA PARTNERS JOLIET LLC
IL3123331 · 30 served
OMEGA PRES CHURCH
IL0054320 · 35 served
OMEGA PRES CHURCH
IL3054320 · 35 served
OMNI FOOD STORE
IL3130435 · 100 served
ON THE ROCKS
IL0023374 · 45 served
ON THE ROCKS
IL3116046 · 50 served
ONARGA
IL0750700 · 1,409 served
ONARGA NURSERY
IL3007021 · 20 served
ONARGA NURSERY
IL0007021 · 35 served
ONE GOAL WELLNESS
IL3140137 · 25 served
ONE HUNDRED ACRE ORCHARD AND MARKET
IL3155598 · 25 served
ONE LAND MARK PLAZA
IL1130010 · 25 served
ONE MORE AT OAK HILL
IL3020636 · 100 served
ONE MORE INC.
IL3136614 · 100 served
ONE STOP PHARMACY 13937
IL3146001 · 25 served
ONE STOP SERVICE
IL3033175 · 50 served
ONEAL AIRPORT
IL0026567 · 60 served
ONEAL AIRPORT/VINCENNES UNIV
IL3110734 · 75 served
ONEIDA
IL0950400 · 644 served
ONEIL FUNERAL HOME
IL3040782 · 75 served
ONNIE'S NUGGET
IL3024620 · 50 served
ONTARIO CONGREGATIONAL CHURCH
IL0077578 · 25 served
ONTARIO CONGREGATIONAL CHURCH
IL3077578 · 25 served
OPEN BIBLE CHURCH OF BELVIDERE
IL3154476 · 100 served
OPEN DOOR DAY CENTER
IL0051052 · 27 served
OPEN DOOR DAY CENTER
IL3051052 · 27 served
OPEN DOOR TAVERN
IL0023721 · 25 served
OPEN HEARTS FOURSQUARE CHURCH
IL3147587 · 75 served
OPHIEM PWS
IL0735150 · 110 served
OPHIR COMM CONSOL SCHOOL 235
IL0097592 · 100 served
OPHIR CONSOLIDATED SCHOOL
IL3097592 · 100 served
OPPOLD MARINA
IL3035113 · 25 served
OPPOLD MARINA PARK
IL0035113 · 25 served
OPPY SUBDIVISION
IL7991263 · 25 served
OPSAHLS
IL3045716 · 100 served
OQUAWKA
IL0710300 · 1,125 served