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 951–975 of 1,630
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kepler Lake Dam Stark County | 25 | 1965 | Low | Not Available |
| Kensington Parque Dam Madison County | 12 | 2004 | Significant | Not Available |
| Kenneth Berry Pond Dam Greene County | 30 | 1965 | Undetermined | Not Available |
| Kennel Lake Dam Tazewell County | 27 | 1948 | Low | Not Available |
| Kempton Farm Dam Livingston County | 18 | 2002 | Low | Not Available |
| Kemery Lake Dam Will County | 20 | 1942 | High | Not Available |
| Kellart Lake Dam Iroquois County | 10 | 1965 | Low | Not Available |
| Keeven Lake Dam Monroe County | 25 | 1998 | Significant | Not Available |
| Keeven Lake Dam Madison County | 30 | 1970 | Low | Not Available |
| Keene Lake Dam Cook County | 8 | 1944 | Low | Not Available |
| Kazimer Lake Dam McHenry County | 15 | 1965 | Significant | Not Available |
| Kays Lake Dam Pulaski County | 16 | 1954 | Low | Not Available |
| Kaskaskia Island Wildlife Area Lake Dam St. Clair County | 24 | 1990 | Low | Not Available |
| Karl Lake Dam Mercer County | 50 | 1974 | Significant | Not Available |
| Kankakee Kankakee County | 15 | 1915 | Low | Satisfactory |
| Kaibab Partners Dam Jackson County | 26 | — | Low | Not Available |
| Kahl Bros. Pond Dam 1 Macoupin County | 25 | 1960 | Undetermined | Not Available |
| Justamir Association Lake Dam St. Clair County | 11 | 1931 | Low | Not Available |
| Jurgens Brothers Lake Dam Morgan County | 28 | 1968 | Low | Not Available |
| June Lake Dam Effingham County | 20 | — | Significant | Not Available |
| Jug Lake Dam Adams County | 31 | 1951 | Low | Not Available |
| Joyces Lake Dam Madison County | 24 | 1969 | Low | Not Available |
| Jordan Lake Dam Richland County | 25 | 1950 | Significant | Not Available |
| Joppa Station East Ash Pond Massac County | 26 | — | Significant | Not Available |
| Jones Pond Dam Jersey County | 25 | 1975 | Low | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.