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 1276–1300 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Duck Creek Recycle Pond Dam Fulton County | 41 | — | Low | Not Available |
| Duck Creek Gypsum Stack Dam Fulton County | 45 | — | Low | Not Available |
| Duck Creek Bottom Ash Pond Dam Fulton County | 10 | — | Significant | Not Available |
| Duck Creek Ash Pond 2 Dam Fulton County | 50 | 1984 | Low | Not Available |
| Duck Creek Ash Pond 1 Dam Fulton County | 28 | — | Significant | Not Available |
| Drumm Farm Weir Dam Will County | 7 | — | Low | Not Available |
| Drost Park Lake Dam Madison County | 15 | 1900 | Significant | Not Available |
| Dresden Island Lock and Dam Grundy County | 33 | 1933 | Significant | Not Available |
| Dresden Cooling Lake Dam Grundy County | 25 | 1971 | High | Not Available |
| Drake Lake Dam Cass County | 44 | 2003 | High | Not Available |
| Doyle Lake Dam Will County | 14 | 1973 | Low | Not Available |
| Doyle Lake Dam Adams County | 62 | 1994 | High | Not Available |
| Downing Pond Dam Madison County | 32 | 1967 | Low | Not Available |
| Donoho Pond Dam 1 Jefferson County | 27 | 1979 | Low | Not Available |
| Donnelly Pond Dam Rock Island County | 28 | 1965 | Low | Not Available |
| Don Johnson Pond Dam Peoria County | 29 | 1974 | Low | Not Available |
| Dongola Lake Dam Union County | 34 | 1970 | High | Not Available |
| Dolan Lake Dam Hamilton County | 30 | 1962 | High | Not Available |
| Dixon Pond Dam Brown County | 25 | 1966 | Low | Not Available |
| Dixon Lee County | 17 | 1924 | Low | Satisfactory |
| Diepholz Pond Dam Cumberland County | 20 | 1960 | High | Not Available |
| Diebert-Hortsman Lake Dam Clinton County | 31 | 1974 | Low | Not Available |
| Dhom Lake Dam 1 Jasper County | 27 | 1975 | Low | Not Available |
| De Wees Lake Dam Adams County | 31 | 1965 | Low | Not Available |
| Devil`s Kitchen Dam Williamson County | 121 | 1959 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.