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 351 of 543 (27,127 systems)
OLD DUQUOIN PWD
IL1455350 · 785 served
OLD ELM CLUB
IL3106310 · 200 served
OLD ELM CLUB
IL3103952 · 50 served
OLD HICKORY INC
IL0057315 · 25 served
OLD HICKORY INN
IL0023432 · 75 served
OLD HICKORY INN
IL3023432 · 100 served
OLD HICKORY WTR ASSN
IL1135200 · 230 served
OLD MAZON MHP
IL0635165 · 25 served
OLD MILL CREEK/BLACKWING
IL3019802 · 25 served
OLD MILL FLOWER GARDEN
IL3104976 · 100 served
OLD MILL PARK
IL3135202 · 250 served
OLD NORTH PANCAKE HOUSE
IL0037481 · 150 served
OLD OAK COUNTRY CLUB
IL0079186 · 100 served
OLD OAK COUNTRY CLUB
IL3079186 · 200 served
OLD OAK CREEK SHOPPING CENTER
IL3103051 · 65 served
OLD ORCHARD COUNTRY CLUB
IL0067421 · 800 served
OLD ORCHARD COUNTRY CLUB
IL0003830 · 25 served
OLD ORCHARD COUNTRY CLUB
IL3003830 · 25 served
OLD ORCHARD COUNTRY CLUB
IL3067421 · 800 served
OLD RIPLEY CAFE
IL0009027 · 25 served
OLD RIVERS INN
IL3109157 · 50 served
OLD SALEM CHAUTAUQUA
IL1295100 · 128 served
OLD SCHOOL SMOKERS
IL3152207 · 200 served
OLD SCHOOL SUPPER CLUB
IL3035253 · 25 served
OLD SETTLERS PARK
IL0044628 · 175 served
OLD SETTLERS PARK
IL3044628 · 175 served
OLD SHADY TREE INC EXCAVATORS
IL3031419 · 25 served
OLD SHAWNEETOWN
IL0590200 · 195 served
OLD SKY RANCH
IL3009795 · 25 served
OLD STARKS TAVERN
IL3066399 · 100 served
OLD STONINGTON BAPTIST CHURCH
IL0051540 · 25 served
OLD STONINGTON BAPTIST CHURCH
IL3051540 · 25 served
OLD STYLE INN
IL3105171 · 50 served
OLD TOP GOLF COURSE
IL3140756 · 25 served
OLD TOWN PUB
IL3112946 · 100 served
OLD UNION CHURCH OF CHRIST
IL0021642 · 25 served
OLD UNION CHURCH OF CHRIST
IL0052456 · 210 served
OLD UNION CHURCH OF CHRIST
IL3021642 · 25 served
OLD UNION CHURCH OF CHRIST
IL3052456 · 210 served
OLD WAYNE GOLF CLUB
IL3041160 · 200 served
OLD WAYNE GOLF CLUB
IL0041160 · 150 served
OLD WAYNE GOLF CLUB (HW #3)
IL3122069 · 100 served
OLD WAYNE GOLF CLUB (HW #4)
IL3122051 · 25 served
OLD WAYNE GOLF CLUB MAINT BLD
IL3122036 · 100 served
OLD WILLOW CLUB
IL3149815 · 0 served
OLD WILLOW COMPLEX
IL3116970 · 520 served
OLD WILLOW MARKET
IL3118240 · 100 served
OLDE NORTH PANCAKE HOUSE
IL3037481 · 375 served
OLDE SAINT PETE'S ANTIQUES
IL3140236 · 80 served
OLDE THYME GENERAL STORE
IL3154468 · 25 served