Hemlock Carpenter and Long Lake Dam
Key Takeaway
Hemlock Carpenter and Long Lake Dam is classified as low hazard in Michigan. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.3% in MI) |
| Dam Length | 40 ft |
| Dam Type | Gravity |
| Max Storage | 112 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 386 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | MI01634 |
Safety Information
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?
Ownership
Hillsdale County Drain Commissioner
Private
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Hemlock Carpenter and Long Lake Dam?
Hemlock Carpenter and Long Lake Dam 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 Hemlock Carpenter and Long Lake Dam?
Hemlock Carpenter and Long Lake Dam is owned by Hillsdale County Drain Commissioner (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hemlock Carpenter and Long Lake Dam built?
Hemlock Carpenter and Long Lake Dam was completed in 1962, making it 64 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 Hemlock Carpenter and Long Lake Dam?
Hemlock Carpenter and Long Lake Dam 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 Hemlock Carpenter and Long Lake Dam?
Hemlock Carpenter and Long Lake Dam has a dam height of 7 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 Hemlock Carpenter and Long Lake Dam last inspected?
Hemlock Carpenter and Long Lake Dam was last inspected on October 2, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.