Lower Comstock Dam
Key Takeaway
Lower Comstock Dam is classified as high hazard in Michigan. It was completed in 1850 and is 176 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 63.6% in MI) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 334 cfs |
| Year Completed | 1850 (176 years old) |
| NID ID | MI00136 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Comstock Township
Local Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Lower Comstock Dam?
Lower Comstock Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lower Comstock Dam?
Lower Comstock Dam is owned by Comstock Township (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Comstock Dam built?
Lower Comstock Dam was completed in 1850, making it 176 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 Lower Comstock Dam?
Lower Comstock 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 Lower Comstock Dam?
Lower Comstock Dam 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 Lower Comstock Dam last inspected?
Lower Comstock Dam was last inspected on November 29, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.