Groff Lake Dam
Key Takeaway
Groff Lake Dam is classified as low hazard in Missouri. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 43 ft (taller than 91.5% in MO) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 301 acre-ft |
| Normal Storage | 245 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,920 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | MO30154 |
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
WILLIAM T GROFF
Private
Nearby Dams
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Groff Lake Dam?
Groff 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 Groff Lake Dam?
Groff Lake Dam is owned by WILLIAM T GROFF (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Groff Lake Dam built?
Groff Lake Dam was completed in 1960, making it 66 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 Groff Lake Dam?
Groff Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Groff Lake Dam?
Groff Lake Dam has a dam height of 43 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 Groff Lake Dam last inspected?
Groff Lake Dam was last inspected on July 31, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.