Posey Lake Level Control Structure
Posey Lake Level Control Structure is a gravity dam located in Lenawee County, Michigan, built in 1955. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Posey Lake Level Control Structure
The primary purpose of Posey Lake Level Control Structure is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lenawee County Drain Commissioner (private). It impounds the Posey Lake Drain near Hudson.
The dam stands 7 feet tall and stretches 15 feet across, creates a reservoir covering 150 acres, and has a maximum storage capacity of 715 acre-feet. Completed in 1955, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/23/2020.
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Location
| State | Michigan |
| County | Lenawee |
| Nearest City | Hudson |
| River/Stream | Posey Lake Drain |
| Coordinates | 41.89667, -84.30833 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 15 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 715 acre-ft |
| Max Storage | 715 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 150 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lenawee County Drain Commissioner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/23/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI02265 |
| Federal ID | MI02265 |
| More Info | State Dam Safety Program |