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 126–150 of 1,008
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Clarifiers Saline County | 36 | — | Low | Not Available |
| Clayton Reservoir Dam Adams County | 34 | 1940 | Low | Not Available |
| Clevenger Pond Dam 1 Macoupin County | 27 | 1977 | Low | Not Available |
| Clinton Power Station/Dredge Disposal Pond Dam De Witt County | 15 | 1990 | Low | Not Available |
| Clover Leaf Ranch Lake Dam Bureau County | 34 | 1965 | Low | Not Available |
| Clovertowne Lake Dam St. Clair County | 32 | 1984 | Low | Not Available |
| Coal and Crane Creek Structure 1 Schuyler County | 40 | 1971 | Low | Not Available |
| Coal and Crane Creek Structure 13 Schuyler County | 32 | 1969 | Low | Not Available |
| Coal and Crane Creek Structure 15 Schuyler County | 44 | 1969 | Low | Not Available |
| Coal and Crane Creek Structure 2 Schuyler County | 38 | 1972 | Low | Not Available |
| Coal and Crane Creek Structure 6 Schuyler County | 23 | 1971 | Low | Not Available |
| Coal and Crane Creek Structure 7 Schuyler County | 49 | 1971 | Low | Not Available |
| Coal and Crane Creek Structure 9 Schuyler County | 41 | 1970 | Low | Not Available |
| Coal and Crane WS Str 14 Schuyler County | 41 | 1970 | Low | Not Available |
| Coal & Crane Creek Structure 11 Schuyler County | 48 | 1975 | Low | Not Available |
| Cobblestone Lake Dam Peoria County | 64 | 1993 | Low | Not Available |
| Coens Pond Dam Richland County | 18 | 1974 | Low | Not Available |
| Coffeen East Fork Shoal Creek Gate Dam Montgomery County | 12 | 2010 | Low | Not Available |
| Coffeen Gmf Recycle Pond Dam Montgomery County | 16 | — | Low | Not Available |
| Coffeen Southwest Detention Pond Dam Montgomery County | 23 | 2010 | Low | Not Available |
| Coles Lake Dam Greene County | 22 | 1923 | Low | Not Available |
| Colette Highlands Dam Cook County | 10 | — | Low | Not Available |
| Columbia Farm Pond Dam Pike County | 31 | 1965 | Low | Not Available |
| Columbus Dry Gulch Club Lake Dam Adams County | 39 | 1953 | Low | Not Available |
| Comlara Park Pond Dam McLean County | 15 | 1996 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.