Fragile Water Systems in Illinois

40 community drinking-water systems in Illinois currently rated Fragile (MISI 41–60).

Systems in the Fragile band (MISI 41–60) face meaningful structural challenges across multiple risk families. Typical patterns include concurrent operational stress and capital pressure, or revenue fragility paired with governance risk.

SystemPop. ServedMISIBand

CHICAGO2.7M49.000Fragile

JOLIET160K44.000Fragile

ELGIN115K47.000Fragile

GLENVIEW48K41.000Fragile

CALUMET CITY37K45.000Fragile

SOUTH STICKNY SD30K41.000Fragile

BATAVIA26K45.000Fragile

MELROSE PARK24K43.000Fragile

MAYWOOD24K43.000Fragile

SOUTH ELGIN24K43.000Fragile

CARBONDALE22K44.000Fragile

PARK FOREST22K45.000Fragile

HOMEWOOD19K42.000Fragile

FRANKLIN PARK18K41.000Fragile

CARY18K42.000Fragile

LEMONT18K45.000Fragile

TROY17K45.000Fragile

MORRIS15K45.000Fragile

LINCOLNWOOD13K41.000Fragile

HAZEL CREST13K45.000Fragile

RICHTON PARK13K47.000Fragile

WARRENVILLE12K45.000Fragile

SUMMIT11K42.000Fragile

HIGHLAND11K49.000Fragile

STEGER10K47.000Fragile

RIVERSIDE9K47.000Fragile

DUQUOIN7K41.000Fragile

MOUNT CARMEL7K45.000Fragile

PINCKNEYVILLE6K44.000Fragile

COAL CITY6K49.000Fragile

COAL VALLEY4K42.000Fragile

RED BUD4K45.000Fragile

BENTON4K47.000Fragile

DIXMOOR3K45.000Fragile

FORD HEIGHTS2K43.000Fragile

MILAN14744.000Fragile

DES PLAINES143.000Fragile

WESTCHESTER145.000Fragile

ELK GROVE VILLAGE141.000Fragile

MURPHYSBORO150.000Fragile

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