Mitchell Lake Dam
Mitchell Lake Dam is an earth dam located in Tazewell County, Illinois, built in 1959. It carries a Low hazard potential classification.
About Mitchell Lake Dam
The primary purpose of Mitchell Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Elmer Mitchell (private). It impounds the Trib Mackinaw River near Mackinaw.
The dam stands 58 feet tall and stretches 327 feet across, and has a maximum storage capacity of 238 acre-feet. Completed in 1959, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 05/09/2022.
At 58 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Illinois |
| County | Tazewell |
| Nearest City | Mackinaw |
| River/Stream | Trib Mackinaw River |
| Coordinates | 40.55664, -89.37072 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 58 ft |
| Dam Length | 327 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 238 acre-ft |
| Max Storage | 238 acre-ft |
| Normal Storage | 144 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ELMER MITCHELL |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/09/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00994 |
| Federal ID | IL00994 |
| More Info | State Dam Safety Program |