Grubb Lake Dam
Key Takeaway
Grubb Lake Dam is classified as low hazard in Ohio. It was completed in 1974 and is 52 years old. Its primary use is recreation.
Physical Details
| Dam Height | 21 ft (taller than 31.1% in OH) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 116 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | OH00921 |
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
WJG Management LLC
Private
Nearby Dams
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Significant Hazard 22 ftSunbury Upground Reservoir No. 2
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High Hazard 20 ftSunbury Upground Reservoir No. 1
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High Hazard 17 ftSomoco Wwt Lagoon
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Significant Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Grubb Lake Dam?
Grubb 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 Grubb Lake Dam?
Grubb Lake Dam is owned by WJG Management LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grubb Lake Dam built?
Grubb Lake Dam was completed in 1974, making it 52 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 Grubb Lake Dam?
Grubb 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 Grubb Lake Dam?
Grubb Lake Dam has a dam height of 21 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 Grubb Lake Dam last inspected?
Grubb Lake Dam was last inspected on November 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.