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 101–125 of 251
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hidden Point Dam Peoria County | 39 | — | High | Not Available |
| High Hill Farms Dam McHenry County | 23 | 1977 | High | Not Available |
| Highland Community College Lake Dam Stephenson County | 20 | 1970 | High | Not Available |
| Hillboro Energy/Deer Run/Crd 2 Dam Montgomery County | 77 | — | High | Not Available |
| Hill Lake Dam Monroe County | 30 | 1968 | High | Not Available |
| Hillsboro Energy/Deer Run/CRD 1 Dam Montgomery County | 80 | — | High | Not Available |
| Holiday Lake Dam LaSalle County | 41 | 1965 | High | Not Available |
| Hollis Park Dam Peoria County | 51 | 1982 | High | Not Available |
| Horton Lake Dam Hancock County | 50 | 1967 | High | Not Available |
| International Coal/Viper/North Slurry Impoundment Dam Logan County | 105 | — | High | Not Available |
| International Coal/Viper/Slurry Impoundment Logan County | 109 | 1984 | High | Not Available |
| Kemery Lake Dam Will County | 20 | 1942 | High | Not Available |
| Kinkaid Lake Dam Jackson County | 96 | 1972 | High | Not Available |
| Kinmundy New Lake Dam Marion County | 38 | 1998 | High | Not Available |
| Lake Camelot Dam Peoria County | 56 | 1970 | High | Not Available |
| Lake Carlton Dam Whiteside County | 41 | 1969 | High | Not Available |
| Lake Charles Dam Lake County | 9 | 1962 | High | Not Available |
| Lake Christine Dam St. Clair County | 20 | 1894 | High | Not Available |
| Lake Decatur Dam Macon County | 33 | 1922 | High | Not Available |
| Lake George Dam Rock Island County | 78 | 1962 | High | Not Available |
| Lake George Dam Cook County | 20 | 1969 | High | Not Available |
| Lake In The Hills Dam 1 McHenry County | 40 | 1926 | High | Not Available |
| Lake Kakusha Dam LaSalle County | 29 | 1981 | High | Not Available |
| Lake Lancelot Dam Peoria County | 54 | 1971 | High | Not Available |
| Lake Long Bow Dam Peoria County | 12 | 1964 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.