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 1176–1200 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Freeman/ /East Lake Dam Jefferson County | 23 | 1961 | Significant | Not Available |
| Freedom Farm Lake Dam St. Clair County | 22 | 1954 | Low | Not Available |
| Frank Pond Dam 1 Macoupin County | 28 | 1977 | Low | Not Available |
| Franklin Waverly Outing Club Lake Dam Morgan County | 25 | 1900 | Low | Not Available |
| Frankfort Flow Equalization Pond Dam Will County | 12 | — | Significant | Not Available |
| Franciscan Prairie Pointe Dam Peoria County | 11 | — | High | Not Available |
| Fraley Pond Greene County | 29 | 1966 | Undetermined | Not Available |
| Fox Ridge Lake Dam Coles County | 36 | 1941 | Low | Not Available |
| Fox Mill Storage Lagoon 2 Dam Kane County | 26 | — | Low | Not Available |
| Fox Mill Lagoon 1 Dam Kane County | 26 | 1998 | Low | Not Available |
| Four H Memorial Lake Dam Piatt County | 32 | 1950 | Low | Not Available |
| Fort Jesse Detention Pond Dam McLean County | — | — | High | Not Available |
| Fort Chartres Sportsmans Club Lake Dam Randolph County | 26 | 1970 | Low | Not Available |
| Forest Lemon Dam Woodford County | 26 | 1965 | Low | Not Available |
| Forest Lake Dam Lake County | 11 | 1935 | High | Not Available |
| Forest Lake Club Lake Dam Macoupin County | 30 | 1904 | Low | Not Available |
| Fordam Station Dam Winnebago County | 12 | 1852 | Low | Not Available |
| Fools Lake Dam Mercer County | 28 | 1960 | Low | Not Available |
| Fondulac Dam Tazewell County | 74 | 1949 | High | Not Available |
| Foerich Pond Dam Perry County | 21 | 1953 | Low | Not Available |
| F. Meyer Pond Dam Greene County | 24 | 1969 | Low | Not Available |
| Flying M Ranch Lake Dam Washington County | 11 | 1963 | Low | Not Available |
| Floyd Wombles Pond Dam Pike County | 30 | 1973 | Low | Not Available |
| Flamms Lake Dam Union County | 29 | — | Low | Not Available |
| Fitzjarrell Lake Dam Greene County | 38 | 1998 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.