Avery Lake Dam
Avery Lake Dam is an earth dam located in Montmorency County, Michigan, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Avery Lake Dam
The primary purpose of Avery Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Montmorency Co. Drain Commissioner (private). It impounds the Crooked Creek near Crooked Lake.
The dam stands 15 feet tall and stretches 200 feet across, creates a reservoir covering 322 acres, has a maximum storage capacity of 2,420 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1970, 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 09/13/2018.
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Location
| State | Michigan |
| County | Montmorency |
| Nearest City | Crooked Lake |
| River/Stream | Crooked Creek |
| Coordinates | 44.92500, -84.17833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 2,420 acre-ft |
| Max Storage | 2,420 acre-ft |
| Normal Storage | 1,140 acre-ft |
| Surface Area | 322 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 360 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Montmorency Co. Drain Commissioner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/13/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00056 |
| Federal ID | MI00056 |
| More Info | State Dam Safety Program |