Shiawassee Flats Dam
Key Takeaway
Shiawassee Flats Dam is classified as low hazard in Michigan. It was completed in 1964 and is 62 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 32.7% in MI) |
| Dam Length | 15,000 ft |
| Max Storage | 9.1K acre-ft |
| Normal Storage | 2.5K acre-ft |
| Surface Area | 1,600 acres |
| Drainage Area | 626 sq mi |
| Max Discharge | 8,000 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | MI01819 |
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
MDNR Wildlife
State Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Shiawassee Flats Dam?
Shiawassee Flats 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 Shiawassee Flats Dam?
Shiawassee Flats Dam is owned by MDNR Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shiawassee Flats Dam built?
Shiawassee Flats Dam was completed in 1964, making it 62 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 Shiawassee Flats Dam?
Shiawassee Flats 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 Shiawassee Flats Dam?
Shiawassee Flats Dam has a dam height of 12 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 Shiawassee Flats Dam last inspected?
Shiawassee Flats Dam was last inspected on May 23, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.