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 101–125 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Billingsley Pond Dam 3 Schuyler County | 33 | 1979 | Low | Not Available |
| Birchlers Lake Dam Randolph County | 22 | 1950 | Low | Not Available |
| Birkey Lake Dam Tazewell County | 28 | 1965 | Low | Not Available |
| Black Tern Marsh Dam McHenry County | 7 | 1992 | Low | Not Available |
| Blandinsville City Reservoir Dam McDonough County | 20 | 1940 | High | Not Available |
| Blandinsville Storage 2 Dam McDonough County | 37 | 1992 | Low | Not Available |
| Bleyar Lake Dam Williamson County | 20 | 1974 | Low | Not Available |
| Boettcher Lake Dam Madison County | 30 | 2003 | Low | Not Available |
| Bolen Pond Dam Fayette County | 17 | 1929 | Low | Not Available |
| Bolton Lakes Dam Bureau County | 26 | 1974 | Low | Not Available |
| Bond Christian Camp Lake Dam Bond County | 19 | 1957 | Significant | Not Available |
| Borgsmiller Lake Dam Jackson County | 20 | 1970 | Significant | Not Available |
| Boyles Lake Dam Tazewell County | 63 | 1972 | Low | Not Available |
| Boy Scout Lake Dam Shelby County | 30 | 1975 | Low | Not Available |
| Braidwood Station Cooling Pond Dam Will County | 22 | 1979 | High | Not Available |
| Brandon Kimbro Dam Sangamon County | — | 2016 | High | Not Available |
| Brandon Road Lock and Dam Will County | 45 | 1933 | High | Not Available |
| Braun Pond Dam Sangamon County | 26 | 1952 | Significant | Not Available |
| Breese Perched Reservoir Dam Clinton County | 11 | 1990 | Low | Not Available |
| Brentwood Townehome Dam Cook County | 14 | 1960 | High | Not Available |
| Brian Lake Dam McLean County | 25 | 1954 | Significant | Not Available |
| Briar Patch Club Dam Wayne County | 15 | 1955 | Low | Not Available |
| Briarwood Lake Dam Macoupin County | 30 | — | Low | Not Available |
| Brighton Lake Dam Macoupin County | 25 | — | High | Not Available |
| Briney Lake 1 Dam Schuyler County | 36 | 1971 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.