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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OAK RIDGE MHP
IL0910120 · 75 served
OAK RIDGE SANITARY DISTRICT
IL2035300 · 300 served
OAK RUN CAMPING AREA
IL3085738 · 100 served
OAK RUN CAMPING AREA
IL0085738 · 100 served
OAK RUN MARINA
IL0085720 · 50 served
OAK RUN MARINA
IL3085720 · 50 served
OAK SPRING GOLF CLUB
IL0009779 · 50 served
OAK SPRING GOLF COURSE
IL3009779 · 25 served
OAK SPRING GOLF COURSE HANDPUM
IL3139923 · 50 served
OAK STEAK HOUSE OF SHADY LANE
IL3137190 · 100 served
OAK VALLEY CHURCH
IL0054734 · 25 served
OAK VALLEY CHURCH
IL3054734 · 25 served
OAK VALLEY RECREATION
IL0017301 · 400 served
OAK VIEW ESTATES
IL0730120 · 95 served
OAK WEST OFFICE PLAZA
IL3117911 · 60 served
OAKBROOK ESTATES MHP
IL1115125 · 1,012 served
OAKBROOK EXECUTIVE CLUB
IL0041111 · 100 served
OAKBROOK GOLF CLUB
IL3002428 · 50 served
OAKBROOK GOLF CLUB
IL0002428 · 50 served
OAKBROOK MONTESSORI SCHOOL
IL3132894 · 40 served
OAKBROOK MONTISSORI
IL3124016 · 42 served
OAKBROOK TERRACE
IL0430750 · 1,440 served
OAKBROOK TERRACE MUNICIPAL BLD
IL0038075 · 25 served
OAKBROOK TERRACE MUNICIPAL BLD
IL3038075 · 25 served
OAKDALE ACRES SBDV
IL0915350 · 313 served
OAKDALE SCHOOL
IL0010629 · 123 served
OAKFORD
IL1290150 · 234 served
OAKGROVE EVANGELICAL BIBLE CHU
IL3055574 · 225 served
OAKHAVEN SBDV
IL1795760 · 26 served
OAKHURST FOREST PRESERVE
IL3136093 · 150 served
OAKHURST FOREST PRESERVE
IL0015578 · 25 served
OAKHURST FOREST PRESERVE SHELT
IL3015578 · 25 served
OAKLAND
IL0290300 · 739 served
OAKLAND CHRISTIAN CHURCH
IL0051870 · 50 served
OAKLAND CHRISTIAN CHURCH
IL3051870 · 50 served
OAKLAND ELEM SCHOOL
IL3019711 · 460 served
OAKLAND GRADE SCH'L
IL0019711 · 25 served
OAKLAND NATIONAL BANK
IL0051862 · 25 served
OAKLAND NATIONAL BANK
IL3051862 · 25 served
OAKLANE SBDV
IL0995250 · 63 served
OAKLAWN BOWHUNTER'S FIELD RANG
IL0087346 · 25 served
OAKLAWN BOWHUNTER'S FIELD RANG
IL3087346 · 25 served
OAKLAWN SCHOOL
IL3120097 · 23 served
OAKPARK SPORTSMANS CLUB
IL3132480 · 100 served
OAKRIDGE SUBDIVISION
IL8118494 · 25 served
OAKS RESTAURANT & LOUNGE
IL0047647 · 100 served
OAKS RESTAURANT & LOUNGE
IL3047647 · 100 served
OAKSIDE CENTER
IL3120154 · 50 served
OAKTON ST ANTIQUE CENTRE
IL3108753 · 40 served
OAKVIEW DIESEL-JUDD DANIELS
IL3114660 · 100 served