Leoni Dam
Leoni Dam is an earth dam located in Jackson County, Michigan, built in 1913. It carries a Low hazard potential classification and has a poor condition assessment.
About Leoni Dam
The primary purpose of Leoni Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leoni Township (local government). It impounds the Leoni Creek near Leoni.
The dam stands 10 feet tall and stretches 325 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1913, the structure is over a century 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/24/2015. That was over 10 years ago.
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Location
| State | Michigan |
| County | Jackson |
| Nearest City | Leoni |
| River/Stream | Leoni Creek |
| Coordinates | 42.24383, -84.26655 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 325 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 235 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Leoni Township |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/24/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00125 |
| Federal ID | MI00125 |
| More Info | State Dam Safety Program |