Clinton Power Station/clinton Lake Dam
Clinton Power Station/clinton Lake Dam is an earth dam located in De Witt County, Illinois, built in 1977. It carries a High hazard potential classification.
About Clinton Power Station/clinton Lake Dam
The primary purpose of Clinton Power Station/clinton Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Exelon Geberation Company, Llc (private). It impounds the Salt Creek near Kenney.
The dam stands 65 feet tall and stretches 2,980 feet across, creates a reservoir covering 4,895 acres, has a maximum storage capacity of 250,000 acre-feet, and collects water from a drainage area of 291 square miles. Completed in 1977, the structure is 49 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 11/23/2025.
At 65 feet, this dam is taller than 96% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | De Witt |
| Nearest City | Kenney |
| River/Stream | Salt Creek |
| Coordinates | 40.13892, -88.87827 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 2,980 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 250,000 acre-ft |
| Max Storage | 250,000 acre-ft |
| Normal Storage | 74,200 acre-ft |
| Surface Area | 4,895 acres |
| Drainage Area | 291 sq mi |
| Max Discharge | 200,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | EXELON GEBERATION COMPANY, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 11/23/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL01073 |
| Federal ID | IL01073 |
| More Info | State Dam Safety Program |