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 926–950 of 1,008
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Upper Sterling Whiteside County | 10 | 1907 | Low | Satisfactory |
| Valley Friends Lake Dam Rock Island County | 47 | 1965 | Low | Not Available |
| Valley View Club Lake Dam Henry County | 24 | 1965 | Low | Not Available |
| Valley View Dam Macon County | 12 | — | Low | Not Available |
| Vance Lake Dam De Witt County | 20 | 1955 | Low | Not Available |
| Vancil Pond Dam 1 Montgomery County | 30 | 1955 | Low | Not Available |
| Vandalia Wastewater Treatment Lagoon Fayette County | 16 | 1986 | Low | Not Available |
| Van Der Molen Dam DuPage County | 8 | 1984 | Low | Not Available |
| Vesper Lake Dam Madison County | 24 | 1955 | Low | Not Available |
| Vienna Correctional Center Lake Dam Johnson County | 29 | 1964 | Low | Not Available |
| Vienna Correctional Center W. Lake Johnson County | 28 | 1980 | Low | Not Available |
| Vienna Reservoir Dam Johnson County | 13 | 1968 | Low | Not Available |
| Village of Valmeyer Dam Monroe County | 68 | 1995 | Low | Not Available |
| Virden Recreation Club Lake Dam Macoupin County | 21 | 1954 | Low | Not Available |
| Visitor Center Dam Williamson County | 26 | 2009 | Low | Satisfactory |
| Wabash Valley Club Conservation Lake Dam Wabash County | 18 | 1950 | Low | Not Available |
| Waddell Dam Schuyler County | 33 | 1998 | Low | Not Available |
| Wagner Lake Dam Bond County | 28 | 2012 | Low | Not Available |
| Wahelo Pond Dam Tazewell County | 43 | 1959 | Low | Not Available |
| Walnut Point Dam Peoria County | 58 | — | Low | Not Available |
| Walnut Point State Park Lake Dam Douglas County | 46 | 1967 | Low | Not Available |
| Walnut Pond Dam Ogle County | 13 | 1963 | Low | Not Available |
| Walter Pence Pond Dam Greene County | 30 | 1968 | Low | Not Available |
| Walton Park Lake Dam Montgomery County | 37 | 1870 | Low | Not Available |
| Waltonville Manufacturing Lake Dam Jefferson County | 20 | 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.