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 1226–1250 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Fairwood Lake Dam St. Clair County | 27 | 1969 | High | Not Available |
| Fairfield Side Channel Reservoir Dam Wayne County | 16 | 1979 | Low | Not Available |
| Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 Clinton County | 56 | 1990 | High | Not Available |
| Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 1 Clinton County | 47 | — | High | Not Available |
| Exxonmobil Coal Usa/Mine 2/Recirculation Lake Dam Clinton County | 18 | 1975 | Low | Not Available |
| Exxonmobil Coal Usa/Mine 2/Freshwater Lake Dam Clinton County | 15 | 1975 | Low | Not Available |
| Evergreen Lake Dam Woodford County | 69 | 1971 | High | Not Available |
| Evergreen Lake Dam Macoupin County | 34 | 1953 | Low | Not Available |
| Evelen Lake Dam Fulton County | 48 | 1958 | Low | Not Available |
| Eureka Lake Dam Woodford County | 33 | 1942 | Significant | Not Available |
| Ettlebrick Lake Dam Cumberland County | 19 | 1900 | Significant | Not Available |
| "E" Pond Treatment Jefferson County | 13 | — | Low | Not Available |
| Enke Pond Dam 1 Macoupin County | 25 | 1968 | Undetermined | Not Available |
| England Reservoir Dam Fayette County | 21 | 1904 | Low | Not Available |
| Elmore Stock Farm Pond Dam Peoria County | 21 | 1970 | Low | Not Available |
| Elliot Golf Course Dam Winnebago County | 11 | 1970 | Significant | Not Available |
| Elkville Country Club Reservoir Dam Jackson County | 11 | 1947 | Low | Not Available |
| Elim Springs Park Lake 4 Dam Moultrie County | 32 | 1964 | Significant | Not Available |
| Elim Lake Dam Moultrie County | 18 | 1975 | Low | Not Available |
| Eldorado Reservoir Dam Saline County | 20 | 1920 | Significant | Not Available |
| Ekiss Pond Dam 1 Montgomery County | 29 | 1978 | Low | Not Available |
| Eilers Lake Dam Adams County | 25 | 1965 | Low | Not Available |
| Edwards Lake Dam Henry County | 34 | 1974 | Significant | Not Available |
| Edward Schirz Pond Dam Greene County | 25 | 1963 | Undetermined | Not Available |
| E. D. Edwards Station Ash Pond Peoria County | 25 | — | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.