Stable Water Systems in Illinois

97 community drinking-water systems in Illinois currently rated Stable (MISI 0–20).

Systems in the Stable band (MISI 0–20) show low structural stress across operational, financial, and governance dimensions. These systems generally have manageable compliance postures, adequate capital investment patterns, and sustainable revenue structures.

SystemPop. ServedMISIBand

IL AMERICAN-WEST SUBURBAN74K7.988Stable

NORMAL53K7.988Stable

ROMEOVILLE50K19.190Stable

DOWNERS GROVE49K17.353Stable

WHEELING40K17.353Stable

OSWEGO38K19.325Stable

VERNON HILLS - LAKE CO PW33K17.121Stable

GALESBURG32K18.476Stable

ALGONQUIN31K19.186Stable

GURNEE30K7.988Stable

E J WATER COOP30K11.462Stable

NEW LENOX28K7.988Stable

IL AMERICAN-HOMER TOWNSHIP25K15.145Stable

LOVES PARK23K17.121Stable

YORKVILLE23K17.349Stable

GREAT LAKES NAVAL TRAINING STATION23K15.145Stable

GRAYSLAKE21K19.186Stable

JACKSONVILLE20K18.154Stable

MOKENA20K17.121Stable

IL AMERICAN-STREATOR19K17.390Stable

PALOS HILLS19K17.353Stable

JUSTICE-WILLOW SPRINGS WATER COMMSSION18K17.353Stable

CHATHAM16K7.988Stable

NORRIDGE15K17.353Stable

DIXON15K11.586Stable

WILDWOOD SUBDIVISION - LAKE CO PW15K17.121Stable

HICKORY HILLS15K17.353Stable

CHICAGO RIDGE14K17.353Stable

RANTOUL13K17.121Stable

JERSEY RWC13K18.249Stable

PLANO13K17.976Stable

WINNETKA12K17.353Stable

EFFINGHAM12K11.586Stable

IL AMERICAN-PONTIAC12K19.590Stable

ROBINSON-PALESTINE WATER COMMISSION11K18.249Stable

COMMONFIELDS OF CAHOKIA PWD11K19.397Stable

CLARK-EDGAR RWD10K3.994Stable

PILOT TRAVEL CENTER10K7.988Stable

HARVARD9K17.188Stable

PARIS9K15.387Stable

OLNEY9K16.719Stable

LAKE VILLA9K17.121Stable

BEACH PARK9K7.988Stable

WEST FRANKFORT9K12.124Stable

ROCK FALLS9K19.520Stable

JERSEYVILLE8K18.724Stable

GREENVILLE8K19.510Stable

SALEM8K18.784Stable

IL AMERICAN-SOUTH BELOIT8K17.937Stable

LONG CREEK TOWNSHIP PWS8K12.124Stable

CLINTON7K18.816Stable

RACCOON WATER COMPANY7K15.321Stable

ABS WATER COOP7K16.321Stable

CURRAN-GARDNER TOWNSHIP PWD7K19.186Stable

BOND/MADISON WATER COMPANY7K13.924Stable

CARLINVILLE7K19.056Stable

GENESEO7K19.785Stable

NORTHERN ILLINOIS UNIVERSITY-DEKALB7K15.124Stable

AQUA ILLINOIS-CANDLEWICK DVN6K3.598Stable

METROPOLIS6K16.656Stable

CARMI6K3.598Stable

FT MASSAC PWD6K14.257Stable

BEARDSTOWN6K7.988Stable

SPRING VALLEY6K15.186Stable

MONTICELLO6K5.996Stable

NORTHEAST MOUNT VERNON WATER COMPANY5K18.122Stable

PARK CITY5K17.121Stable

FLORA5K9.994Stable

EUREKA5K17.917Stable

CATERPILLAR TRAIL PWD5K13.943Stable

NIABI ZOO5K7.988Stable

TUSCOLA5K7.198Stable

PALOS PARK5K17.353Stable

UTL INC-LAKE HOLIDAY5K15.388Stable

SULLIVAN5K18.321Stable

PETERSBURG5K0.000Stable

ATHENS5K7.180Stable

DWIGHT4K17.521Stable

PAXTON4K11.858Stable

PEOTONE4K19.190Stable

CAHOKIA4K19.397Stable

WOODHAVEN4K19.716Stable

COAL VALLEY PWD4K15.321Stable

HAMILTON COUNTY WATER DISTRICT4K7.728Stable

MARSHALL4K18.652Stable

WESTVILLE4K14.856Stable

BYRON4K13.522Stable

LCPW - PEKARA SUBDIVISION4K19.190Stable

FAIRBURY4K18.353Stable

WOODLAWN4K15.123Stable

WESTERN WAYNE WATER DISTRICT4K15.458Stable

ALEDO3K7.906Stable

CASEY3K18.652Stable

VIRDEN3K19.056Stable

NASHVILLE3K3.598Stable

HAVANA3K18.916Stable

VIENNA CORRECTIONAL CENTER50115.456Stable