Union Meadows Dam
Key Takeaway
Union Meadows Dam is classified as significant hazard in New Hampshire. It was completed in 1935 and is 91 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 16% in NH) |
| Dam Length | 67 ft |
| Dam Type | Concrete |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 690 acre-ft |
| Surface Area | 210 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 1,374 cfs |
| Year Completed | 1935 (91 years old) |
| Year Modified | 1975 |
| NID ID | NH00222 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NH DES WATER DIVISION
State Government
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Low Hazard 11 ftJones Pond Dam
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High Hazard 19 ftKingswood Lake Dam
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Low Hazard 10 ftJones Pond Dike
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Union Meadows Dam?
Union Meadows Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Union Meadows Dam?
Union Meadows Dam is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Union Meadows Dam built?
Union Meadows Dam was completed in 1935, making it 91 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 Union Meadows Dam?
Union Meadows 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 Union Meadows Dam?
Union Meadows Dam has a dam height of 10 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 Union Meadows Dam last inspected?
Union Meadows Dam was last inspected on April 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.