Lake Mosier Upground Reservoir
Key Takeaway
Lake Mosier Upground Reservoir is classified as high hazard in Ohio. It was completed in 1941 and is 85 years old. Its primary use is water supply. 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 | 25 ft (taller than 42.1% in OH) |
| Dam Length | 8,125 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 740 acre-ft |
| Surface Area | 91 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | OH00784 |
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
City of Fostoria
Local Government
Nearby Dams
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High Hazard 32 ftFostoria Upground Reservoir No. 5
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High Hazard 36 ftFindlay Upground Reservoir No. 1
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High Hazard 28 ftFindlay Upground Reservoir No. 2
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High Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Lake Mosier Upground Reservoir?
Lake Mosier Upground Reservoir 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 Lake Mosier Upground Reservoir?
Lake Mosier Upground Reservoir is owned by City of Fostoria (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mosier Upground Reservoir built?
Lake Mosier Upground Reservoir was completed in 1941, making it 85 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 Lake Mosier Upground Reservoir?
Lake Mosier Upground Reservoir serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Mosier Upground Reservoir?
Lake Mosier Upground Reservoir has a dam height of 25 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 Lake Mosier Upground Reservoir last inspected?
Lake Mosier Upground Reservoir was last inspected on June 24, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.