Little Mud Lake Dam
Little Mud Lake Dam is an earth dam located in Roscommon County, Michigan, built in 1957. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Little Mud Lake Dam
The primary purpose of Little Mud Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Wildlife (state). It impounds the Backus Creek near Markey Twp.
The dam stands 10 feet tall and stretches 210 feet across, creates a reservoir covering 780 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/01/2017.
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Location
| State | Michigan |
| County | Roscommon |
| Nearest City | Markey Twp |
| River/Stream | Backus Creek |
| Coordinates | 44.35874, -84.61173 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 210 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 1,500 acre-ft |
| Surface Area | 780 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 430 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MDNR Wildlife |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/01/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00344 |
| Federal ID | MI00344 |
| More Info | State Dam Safety Program |