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 976–1000 of 1,008
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bartlett Pond Dam 2 Jersey County | 30 | 1969 | Low | Not Available |
| Bartlett Pond Dam 1 Jersey County | 30 | 1968 | Low | Not Available |
| Barths Lake Dam Macoupin County | 29 | 1950 | Low | Not Available |
| Barkhausen Refuge Dam Mason County | 10 | — | Low | Not Available |
| Barger Lake Dam Pope County | 39 | 1958 | Low | Not Available |
| Barclay Station Detention Dam Lake County | 9 | 1993 | Low | Not Available |
| Bails Timberline Lake Dam Fayette County | 33 | 1966 | Low | Not Available |
| Austiff Pond Dam Macoupin County | 34 | 1956 | Low | Not Available |
| Aurora - West Dam Kane County | 7 | 1930 | Low | Not Available |
| Augusta Lake Dam Hancock County | 34 | 1945 | Low | Not Available |
| Atkins Pond Dam Fulton County | 36 | 1975 | Low | Not Available |
| Athey Lake Dam Crawford County | 20 | 1952 | Low | Not Available |
| Arsenal Power Rock Island County | 29 | 1878 | Low | Poor |
| Arrowwood Lake Dam St. Clair County | 28 | 2001 | Low | Not Available |
| Arrowhead Country Club Lake Dam Peoria County | 35 | 1959 | Low | Not Available |
| Armstrong Pond Dam 2 Stark County | 22 | 1950 | Low | Not Available |
| Armstrong Pond Dam Bond County | 26 | 1974 | Low | Not Available |
| Arentsen Pond 2 Dam Hamilton County | 15 | 1976 | Low | Not Available |
| Arboretum of South Barrington Dam Cook County | 8 | — | Low | Not Available |
| Aquaculture Lake Dam Jackson County | 40 | 1991 | Low | Not Available |
| Applebee Pond Dam Morgan County | 37 | 1967 | Low | Not Available |
| ANDERSON POND DAM Rock Island County | 25 | 1979 | Low | Not Available |
| American Coal/Galatia/Slurry Pond Dam Saline County | 95 | 1993 | Low | Not Available |
| American Coal/Galatia/Sed Pond 2 Dam Saline County | 15 | 1982 | Low | Not Available |
| American Coal/Galatia/Chloride Water Pond Dam Saline County | 15 | 1991 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.