Silver Lake Dam
Key Takeaway
Silver Lake Dam is classified as low hazard in New Hampshire. It was completed in 1926 and is 100 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 5% in NH) |
| Dam Length | 60 ft |
| Dam Type | Concrete |
| Max Storage | 5.5K acre-ft |
| Normal Storage | 3.0K acre-ft |
| Surface Area | 995 acres |
| Drainage Area | 22 sq mi |
| Max Discharge | 1,345 cfs |
| Year Completed | 1926 (100 years old) |
| NID ID | NH00287 |
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 MADISON
Local Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Silver Lake Dam?
Silver 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 Silver Lake Dam?
Silver Lake Dam is owned by TOWN OF MADISON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silver Lake Dam built?
Silver Lake Dam was completed in 1926, making it 100 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 Silver Lake Dam?
Silver 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 Silver Lake Dam?
Silver Lake Dam has a dam height of 8 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 Silver Lake Dam last inspected?
Silver Lake Dam was last inspected on June 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.