Downing Pond Dam
Key Takeaway
Downing Pond Dam is classified as low hazard in New Hampshire. It was completed in 1921 and is 105 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 47.8% in NH) |
| Dam Length | 80 ft |
| Dam Type | Concrete |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 1,450 cfs |
| Year Completed | 1921 (105 years old) |
| Year Modified | 1992 |
| NID ID | NH00346 |
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
TOWN OF NEW DURHAM
Local Government
Nearby Dams
Jones Dam
Strafford, NH
High Hazard 21 ftClub Pond Dam
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Low Hazard 9 ftWildsong Farm Pond Dam 1
Belknap, NH
Low Hazard 16 ftWildsong Farm Pond Dike
Belknap, NH
Low Hazard 18 ftMerrymeeting Lake Dam
Strafford, NH
High Hazard 22 ftMarchs Pond Dam
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High Hazard 8 ftAlton Power Dam
Belknap, NH
High Hazard 16 ftUpper Recreation Pond Dam
Belknap, NH
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Downing Pond Dam?
Downing Pond 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 Downing Pond Dam?
Downing Pond Dam is owned by TOWN OF NEW DURHAM (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Downing Pond Dam built?
Downing Pond Dam was completed in 1921, making it 105 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 Downing Pond Dam?
Downing Pond 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 Downing Pond Dam?
Downing Pond Dam has a dam height of 15 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 Downing Pond Dam last inspected?
Downing Pond Dam was last inspected on May 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.