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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WALNUT GROVE MHC
IL0195425 · 40 served
WALNUT GROVE PRODUCTS
IL3109231 · 25 served
WALNUT HILL
IL1210600 · 1,180 served
WALNUT HILL AUCTION
IL0054437 · 60 served
WALNUT HILL AUCTION
IL3054437 · 60 served
WALNUT HILL ORCHARD
IL3120162 · 25 served
WALNUT HILL ORCHARD
IL3121020 · 25 served
WALNUT HILL WELL ASSN
IL1835150 · 25 served
WALNUT POINT SP CAMPGRD-SHOWERHSE
IL3139345 · 50 served
WALNUT POINT STATE PARK
IL3125757 · 50 served
WALNUT POINT STATE PARK 1
IL0094508 · 100 served
WALNUT POINT STATE PARK 2
IL0003020 · 100 served
WALNUT POINT STT PK
IL0419550 · 25 served
WALNUT PT SP WELL2 CONCESSIONS/CAMPGRND
IL3003020 · 100 served
WALONA MOTEL
IL0024893 · 25 served
WALONA MOTEL
IL3024893 · 30 served
WALONA PARK
IL3148155 · 25 served
WALSH LOCKER
IL3024901 · 25 served
WALSH LOCKER COLD STORAGE
IL0024901 · 25 served
WALT'S FOOD CENTER
IL3144832 · 25 served
WALT'S SUPER MARKET
IL3133868 · 30 served
WALTER KNOCKE BUILDING
IL0072298 · 25 served
WALTER KNOCKE BUILDING
IL3072298 · 25 served
WALTER LARSEN
IL0028456 · 25 served
WALTER LARSEN LARSEN IND
IL3028456 · 25 served
WALTER MFG
IL0027870 · 25 served
WALTER MFG
IL3027870 · 25 served
WALTER SCOTT CAMP & LEARNING
IL3034629 · 95 served
WALTER TATAR-D&W FISHING LAKE
IL3014860 · 50 served
WALTER WELLMAN
IL8078462 · 25 served
WALTHAM CONSOL COMM SCHOOL 185
IL0096164 · 160 served
WALTHAM CONSOL COMM SCHOOL 185
IL3096164 · 160 served
WALTHAM PRESBYTERIAN CHURCH
IL0096156 · 25 served
WALTHAM PRESBYTERIAN CHURCH
IL3096156 · 25 served
WALTON SCHOOL
IL3006676 · 50 served
WALTON SCHOOL
IL0006676 · 25 served
WALTON TAP
IL0013912 · 25 served
WALTONVILLE
IL0810400 · 1,901 served
WALTS FOOD CENTER
IL3127738 · 25 served
WALTS FOOD CENTER (128470)
IL3128470 · 50 served
WALTS FOOD CENTER (141531)
IL3141531 · 25 served
WALTS FOOD CENTER #1
IL3144717 · 25 served
WALTS FOOD CENTER #2
IL3144725 · 25 served
WALTS FOOD CENTER #3
IL3144733 · 25 served
WALTS FOOD STORE
IL3128439 · 40 served
WAMAC
IL1214920 · 1,030 served
WAMPUM LAKE 6277
IL3069872 · 400 served
WAMPUM LAKE HP 6244
IL3101832 · 25 served
WAMPUM LAKE HP 6276
IL3069880 · 25 served
WAMPUM LAKE HP 6278
IL3101816 · 25 served