Cook County, Illinois

132 active water systems in this county.

Water SystemPopulation ServedSourceViolationsHealth-Based
Lemont 17,500 Groundwater 17 10
South Holland 22,000 Surface Water Purchased 23 8
Bartlett 41,500 Surface Water Purchased 6 5
Phoenix 1,994 Surface Water Purchased 66 4
Ford Heights 1,813 Surface Water Purchased 26 4
Riverside 9,298 Surface Water Purchased 9 4
Lyons 10,304 Surface Water Purchased 7 4
North Riverside 7,071 Surface Water Purchased 7 4
Dixmoor 2,973 Surface Water Purchased 25 3
Berwyn 57,250 Surface Water Purchased 17 3
Steger 9,700 Groundwater 14 3
Broadview 7,847 Surface Water Purchased 12 3
Bellwood 19,156 Surface Water Purchased 10 3
Schiller Park 11,709 Surface Water Purchased 8 3
Riverdale 10,266 Surface Water Purchased 6 3
Richton Park 12,504 Groundwater 193 2
Calumet City 37,000 Surface Water Purchased 14 2
Cicero 83,000 Surface Water Purchased 13 2
Homewood 19,463 Surface Water Purchased 13 2
Westchester 16,241 Surface Water Purchased 13 2
Oak Lawn 58,362 Surface Water Purchased 11 2
Posen 5,331 Surface Water Purchased 11 2
Morton Grove 25,297 Surface Water Purchased 7 2
Glenview 47,856 Surface Water Purchased 6 2
East Hazel Crest 1,500 Surface Water Purchased 6 2
Palatine 70,875 Surface Water Purchased 4 2
Wheeling 39,725 Surface Water Purchased 4 2
Oak Park 54,583 Surface Water Purchased 2 2
Park Forest 21,975 Groundwater 134 1
Stickney 6,902 Surface Water Purchased 40 1
Burnham 3,989 Surface Water Purchased 25 1
Maywood 24,090 Surface Water Purchased 22 1
Park Ridge 39,800 Surface Water Purchased 18 1
Calumet Park 8,442 Surface Water Purchased 15 1
Blue Island 21,494 Surface Water Purchased 14 1
Melrose Park 24,206 Surface Water Purchased 9 1
Northbrook 34,407 Surface Water 7 1
Hazel Crest 13,098 Surface Water Purchased 7 1
Harwood Heights 9,065 Surface Water Purchased 7 1
Midlothian 14,819 Surface Water Purchased 6 1
River Grove 10,282 Surface Water Purchased 5 1
South Stickny Sd 30,000 Surface Water Purchased 4 1
Lincolnwood 13,463 Surface Water Purchased 4 1
River Forest 11,717 Surface Water Purchased 4 1
Worth 10,970 Surface Water Purchased 4 1
Prospect Heights 2,280 Surface Water Purchased 4 1
Elmwood Park 25,000 Surface Water Purchased 3 1
La Grange Park 13,011 Surface Water Purchased 3 1
Northfield 5,470 Surface Water Purchased 3 1
Berkeley 5,214 Surface Water Purchased 3 1
South Chicago Heights 3,924 Surface Water Purchased 3 1
Evanston 74,486 Surface Water 1 1
Sauk 9,921 Groundwater 556 0
Robbins 5,415 Surface Water Purchased 77 0
Arlington Heights 73,320 Surface Water Purchased 45 0
Crestwood 10,826 Surface Water Purchased 42 0
Dolton 20,510 Surface Water Purchased 35 0
Sterling Estates Mhp 1,954 Surface Water Purchased 34 0
Mount Prospect 41,000 Surface Water Purchased 31 0
Matteson 18,293 Surface Water Purchased 30 0
Alpine Village Mhp 994 Surface Water Purchased 26 0
Olympia Fields 4,922 Surface Water Purchased 23 0
Western Springs 13,274 Groundwater 20 0
Markham 12,500 Surface Water Purchased 20 0
Merrionette Park 1,969 Surface Water Purchased 18 0
Harbor Point Estates Mhp 950 Surface Water Purchased 17 0
Skokie 66,422 Surface Water Purchased 16 0
Glenwood 8,956 Surface Water Purchased 16 0
Lansing 29,076 Surface Water Purchased 14 0
Chicago Heights 26,184 Surface Water Purchased 14 0
Summit 10,875 Surface Water Purchased 14 0
Hanover Park 37,470 Surface Water Purchased 13 0
Franklin Park 18,467 Surface Water Purchased 12 0
Schaumburg 75,750 Surface Water Purchased 11 0
Oak Forest 27,478 Surface Water Purchased 11 0
Stone Park 4,576 Surface Water Purchased 11 0
Indian Head Park 3,240 Surface Water Purchased 11 0
Lynwood 9,149 Surface Water Purchased 10 0
Rolling Meadows 23,329 Surface Water Purchased 9 0
Buffalo Grove 43,212 Surface Water Purchased 8 0
Flossmoor 9,371 Surface Water Purchased 8 0
Tinley Park 56,703 Surface Water Purchased 7 0
Harvey 25,000 Surface Water Purchased 7 0
Northlake 12,840 Surface Water Purchased 7 0
Thornton 2,333 Surface Water Purchased 7 0
Hodgkins 1,472 Surface Water Purchased 7 0
Golf 497 Surface Water Purchased 7 0
Brookfield 18,776 Surface Water Purchased 6 0
Country Club Hills 16,500 Surface Water Purchased 6 0
La Grange Estates Mhp 440 Surface Water Purchased 6 0
Streamwood 39,577 Surface Water Purchased 5 0
Alsip 19,063 Surface Water Purchased 5 0
Justice-willow Springs Water Commission 18,457 Surface Water Purchased 5 0
La Grange 16,200 Surface Water Purchased 5 0
Hometown 4,240 Surface Water Purchased 5 0
Sunrise Senior Living 100 Groundwater 5 0
Des Plaines 60,675 Surface Water Purchased 4 0
Elk Grove Village 34,700 Surface Water Purchased 4 0
Niles 29,350 Surface Water Purchased 3 0
Forest Park 14,340 Surface Water Purchased 3 0
Hillside 8,200 Surface Water Purchased 3 0
Rosemont 3,952 Surface Water Purchased 3 0
Kenilworth 2,514 Surface Water Purchased 3 0
Orland Park 58,862 Surface Water Purchased 2 0
Palos Hills 18,530 Surface Water Purchased 2 0
Palos Heights 15,500 Surface Water Purchased 2 0
Chicago Ridge 14,130 Surface Water Purchased 2 0
Countryside 6,420 Surface Water Purchased 2 0
Mc Cook 280 Surface Water Purchased 2 0
Wilmette 27,087 Surface Water 1 0
Evergreen Park 19,943 Surface Water Purchased 1 0
Bridgeview 16,467 Surface Water Purchased 1 0
Norridge 15,251 Surface Water Purchased 1 0
Winnetka 12,475 Surface Water 1 0
Palos Park 4,873 Surface Water Purchased 1 0
Forest View 800 Surface Water Purchased 1 0
Franciscan Sisters of Chicago 505 Groundwater Purchased 1 0
Oak Lane Mhc 388 Surface Water Purchased 1 0
Hoffman Estates 50,179 Surface Water Purchased 0 0
Hickory Hills 14,505 Surface Water Purchased 0 0
Glencoe 8,849 Surface Water 0 0
Il American-fernway 5,223 Surface Water Purchased 0 0
Aqua Illinois-timber Ridge 2,322 Groundwater Purchased 0 0
River Oaks Estates Mhp 677 Surface Water Purchased 0 0
Bedford Park 602 Surface Water Purchased 0 0
Weatherstone Lakes Mhp 221 Groundwater Purchased 0 0
Aqua Illinois-summerdale 145 Surface Water Purchased 0 0
Brookfield-north Riverside Water Comm. 1 Surface Water Purchased 0 0
Northwest Water Commission 1 Surface Water Purchased 0 0
Hillside Berkeley Water Commission 1 Surface Water Purchased 0 0
Broadview-westchester Joint Water Agency 1 Surface Water Purchased 0 0
Morton Grove - Niles Water Commission 0 Surface Water Purchased 0 0