PlainWater

Public Water Systems

5,117 active public water systems in IL, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
Centralia Centralia, IL 12,182 23 Clean
Captain James a Lovell Fhcc North Chicago, IL 12,100 98 Clean
IL American-Pontiac Godfrey, IL 11,864 59 Detected
Fox Lake Ingleside, IL 11,780 49 Detected
River Forest River Forest, IL 11,717 17 Clean
Schiller Park Schiller Park, IL 11,709 54 Clean
Washington County Water Company Nashville, IL 11,374 27 Detected
Lake of Egypt Pwd Marion, IL 11,368 172 Clean
Robinson-Palestine Water Commission Robinson, IL 11,331 43 Detected
Sugar Grove Sugar Grove, IL 11,243 80 Detected
Burr Ridge Burr Ridge, IL 11,192 20 Clean
IL American-Chicago Suburban Godfrey, IL 11,187 50 Clean
Columbia Columbia, IL 11,129 6 Detected
Worth Worth, IL 10,970 54 Clean
Summit Summit, IL 10,875 35 Detected
Crestwood Crestwood, IL 10,826 71 Clean
Highland Highland, IL 10,649 66 Detected
Wood River Wood River, IL 10,464 29 Detected
Pingree Grove Pingree Grove, IL 10,365 42 Clean
Manhattan Manhattan, IL 10,340 178 Clean
Barrington Barrington, IL 10,327 16 Clean
Lyons Lyons, IL 10,304 38 Clean
Peru Peru, IL 10,300 37 Clean
River Grove River Grove, IL 10,282 26 Clean
Riverdale Riverdale, IL 10,266 35 Clean
Murphysboro Murphysboro, IL 10,241 55 Detected
Waterloo Waterloo, IL 10,190 116 Detected
Maryville Maryville, IL 10,150 22 Clean
Leyden Twsp Water District Franklin Park, IL 10,000 49 Clean
Advocate Christ Medical Center Libertyville, IL 10,000 56 Clean
Osf St Francis Hospital Peoria, IL 10,000 20 -
Sauk Sauk Village, IL 9,921 687 Clean
Winfield Winfield, IL 9,835 43 Clean
Steger Manteno, IL 9,700 87 Clean
La Salle La Salle, IL 9,700 219 Detected
Itasca Itasca, IL 9,506 36 Detected
Harvard Harvard, IL 9,469 79 Clean
Rochelle Rochelle, IL 9,446 87 Clean
Oak Brook Oak Brook, IL 9,400 54 Clean
Flossmoor Flossmoor, IL 9,371 21 Clean
Riverside Riverside, IL 9,298 49 Clean
Lynwood Lynwood, IL 9,149 51 Clean
Paris Paris, IL 9,100 41 Clean
Harwood Heights Hardwood Heights, IL 9,065 37 Clean
Willowbrook Willowbrook, IL 9,000 33 Clean
Glenwood Glenwood, IL 8,956 55 Clean
Monmouth Monmouth, IL 8,902 269 Clean
Clear Water Service Corp Mattoon, IL 8,900 19 Clean
Olney Olney, IL 8,877 17 Clean
Glencoe Glencoe, IL 8,849 13 Clean
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