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 401–425 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Exxonmobil Coal Usa/Mine 2/Recirculation Lake Dam Clinton County | 18 | 1975 | Low | Not Available |
| Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 1 Clinton County | 47 | — | High | Not Available |
| Exxonmobil Coal Usa/Mine 2/Refuse Disposal Area 2 Clinton County | 56 | 1990 | High | Not Available |
| Fairfield Side Channel Reservoir Dam Wayne County | 16 | 1979 | Low | Not Available |
| Fairwood Lake Dam St. Clair County | 27 | 1969 | High | Not Available |
| Faivre Pond Dam 4 DeKalb County | 22 | 1977 | Undetermined | Not Available |
| Faries Park Dredge Disposal Dam Macon County | 29 | 1994 | High | Not Available |
| Farmdale Dam Tazewell County | 90 | 1951 | High | Not Available |
| Farmland Industries Lake Dam Wayne County | 20 | 1996 | Low | Not Available |
| Far Oaks Lake Dam St. Clair County | 26 | 1901 | Significant | Not Available |
| Fawell Dam DuPage County | 26 | 1972 | High | Not Available |
| Feller Lake Dam Fayette County | 24 | 1930 | Low | Not Available |
| Fennell Farm Pond Dam Pike County | 27 | 1973 | Low | Not Available |
| Fennell Pond Dam - IL00930 Pike County | 31 | 1972 | Low | Not Available |
| Fermilab Main Injector Dam Kane County | 18 | 1997 | Low | Not Available |
| Ferne Clyffe Lake Dam Johnson County | 33 | 1960 | Low | Not Available |
| Fetter Lake Dam Johnson County | 24 | 1958 | Low | Not Available |
| Feyerbrand Pond Dam Jersey County | 26 | 1970 | Low | Not Available |
| Fieldstone Subdivision Twin Dams-North Dam Adams County | 50 | 2001 | Low | Not Available |
| Fieldstone Subdivision Twin Dams-South Dam Adams County | 59 | 2001 | Low | Not Available |
| Fillmore Lake Dam Montgomery County | 22 | 1970 | Low | Not Available |
| Fine Refuse Pond Macoupin County | 23 | — | Low | Not Available |
| Finger Lake Dam Cass County | 27 | 1968 | Low | Not Available |
| Finn's Lake Dam Monroe County | 23 | — | Significant | Not Available |
| Fisher Lake Dam Monroe County | 28 | 1952 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.