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 551–575 of 1,008
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Indian Hills Dam Jackson County | 36 | 1980 | Low | Not Available |
| Lake Holiday Dam Peoria County | 40 | 1953 | Low | Not Available |
| Lake Henry Dam Jackson County | 13 | 1963 | Low | Not Available |
| Lake Helen Dam Hamilton County | 26 | 1959 | Low | Not Available |
| Lake Galena Sed Pond 1 Dam Jo Daviess County | 25 | 1989 | Low | Not Available |
| Lake Emmett Dam Monroe County | 23 | 1949 | Low | Not Available |
| Lake Edward Dam Macoupin County | 20 | 1949 | Low | Not Available |
| Lake Echon Dam Johnson County | 16 | 1968 | Low | Not Available |
| Lake Coulterville Dam Randolph County | 18 | 1917 | Low | Not Available |
| Lake Chautauqua Upper Dam Mason County | 21 | 1916 | Low | Poor |
| Lake Chautauqua Lower Dam Fulton County | 20 | 1920 | Low | Poor |
| Lake Catatoga Dam Macoupin County | 52 | 1972 | Low | Not Available |
| Lake Carroll Sedimentation Pond 3 Dam Carroll County | 23 | 1989 | Low | Not Available |
| Lake Carroll Sedimentation Pond 2 Dam Carroll County | 14 | 1988 | Low | Not Available |
| Lake Carroll Sedimentation Disposal Dam 5 Carroll County | 21 | 1992 | Low | Not Available |
| Lake Carlinville Dam Macoupin County | 34 | 1938 | Low | Not Available |
| Lake Avon Country Club Reservoir Dam Fulton County | 23 | 1957 | Low | Not Available |
| Lake Amy Dam Lake County | 18 | 1969 | Low | Not Available |
| Lagg Lake 2 Jefferson County | 32 | 1976 | Low | Not Available |
| Lagg Lake 1 Dam Jefferson County | 18 | 1976 | Low | Not Available |
| Labuy Lake Dam Cook County | 7 | — | Low | Not Available |
| Kress Creek Regional Flood Control Dam DuPage County | 15 | 2006 | Low | Not Available |
| Krause Pond Dam Bureau County | 32 | 1955 | Low | Not Available |
| Krajec Lake Dam Edwards County | 11 | 1950 | Low | Not Available |
| Koster Pond Dam Greene County | 27 | 1963 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.