Illinois Dams
1,630 dams tracked by the National Inventory of Dams
Total Dams
1,630
High Hazard
251
15.4%
Poor / Unsatisfactory
6
Average Age
61 yrs
Hazard Classification
High251 (15.4%)
Significant360 (22.1%)
Low1,008 (61.8%)
Condition Assessment
Satisfactory8 (0.5%)
Fair6 (0.4%)
Poor / Unsatisfactory6 (0.4%)
Not Rated1,610 (98.8%)
Federal
48
State
68
Local
286
Private
1,153
Tallest Dams
- Refuse Disposal Area175 ft
- Shelbyville Dam138 ft
- Duck Creek Station Dams123 ft
- Devil`s Kitchen Dam121 ft
- Macoupin Energy Refuse Disposal Area 6117 ft
High Hazard Dams
Poor Condition Dams
- Whoopie CatPoor
- Arsenal Power Poor
- Dam A-41Poor
- Lake Chautauqua Upper DamPoor
- Lake Chautauqua Lower DamPoor
All Dams in Illinois
Showing 201–225 of 360
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Glendale Pope County | 38 | 1938 | Significant | Satisfactory |
| Lake Ellyn Dam DuPage County | 12 | 1991 | Significant | Not Available |
| Lake Duquoin Dam Perry County | 18 | 1937 | Significant | Not Available |
| Lake Como Dam Johnson County | 41 | 1966 | Significant | Not Available |
| Lake Charleston Dam Coles County | 29 | 1981 | Significant | Not Available |
| Lake Centralia Dam Marion County | 31 | 1911 | Significant | Not Available |
| Lake Camp A Lot Dam Randolph County | 15 | 1930 | Significant | Not Available |
| Lake Bracken Dam Knox County | 47 | 1922 | Significant | Not Available |
| Lake Bloomington Dam McLean County | 51 | 1930 | Significant | Not Available |
| Lake Benton Dam Franklin County | 22 | 1939 | Significant | Not Available |
| Lake Arispie Dam Bureau County | 14 | 1966 | Significant | Not Available |
| Laharpe Reservoir Dam Hancock County | 15 | 1949 | Significant | Not Available |
| LaGrange Lock and Dam Brown County | 21 | 1939 | Significant | Not Available |
| Knight Hawk/Prairie Eagle/Slurry 012c Dam Perry County | 77 | 2016 | Significant | Not Available |
| Knight Hawk/Prairie Eagle/North Refuse Area Dam Perry County | 50 | — | Significant | Not Available |
| Knight Hawk Coal/Praire Eagle Mine/010b Slurry Dam Perry County | 66 | 2006 | Significant | Not Available |
| Klaus Lake Dam Madison County | 17 | 1960 | Significant | Not Available |
| Kiowa Crossing Dam Winnebago County | 18 | 1980 | Significant | Not Available |
| Kincaid Station Slag Pond Christian County | 25 | — | Significant | Not Available |
| Kincaid City Lake Dam Christian County | 37 | 1940 | Significant | Not Available |
| Kimball Street Dam Kane County | 13 | 1884 | Significant | Not Available |
| Kensington Parque Dam Madison County | 12 | 2004 | Significant | Not Available |
| Keeven Lake Dam Monroe County | 25 | 1998 | Significant | Not Available |
| Kazimer Lake Dam McHenry County | 15 | 1965 | Significant | Not Available |
| Karl Lake Dam Mercer County | 50 | 1974 | Significant | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.