Crooked Lake Level Control Structure

Crooked Creek· Montmorency, Michigan· Built 1949· Earth· 18 ft tall
Low Hazard Recreation Private

Key Takeaway

Crooked Lake Level Control Structure is classified as low hazard in Michigan. It was completed in 1949 and is 77 years old. Its primary use is recreation.

Physical Details

Dam Height 18 ft (taller than 63.6% in MI)
Dam Length150 ft
Dam TypeEarth
Max Storage800 acre-ft
Normal Storage460 acre-ft
Surface Area66 acres
Drainage Area22 sq mi
Max Discharge1,240 cfs
Year Completed1949 (77 years old)
NID IDMI00076

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 13, 2018
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Montmorency Co. Drain Commissioner

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crooked Lake Level Control Structure?

Crooked Lake Level Control Structure is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Crooked Lake Level Control Structure?

Crooked Lake Level Control Structure is owned by Montmorency Co. Drain Commissioner (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crooked Lake Level Control Structure built?

Crooked Lake Level Control Structure was completed in 1949, making it 77 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Crooked Lake Level Control Structure?

Crooked Lake Level Control Structure serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Crooked Lake Level Control Structure?

Crooked Lake Level Control Structure has a dam height of 18 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Crooked Lake Level Control Structure last inspected?

Crooked Lake Level Control Structure was last inspected on September 13, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.