Echo Lake Dam
Key Takeaway
Echo Lake Dam is classified as low hazard in New Hampshire. It was completed in 1990 and is 36 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.4% in NH) |
| Dam Length | 40 ft |
| Dam Type | Earth |
| Max Storage | 725 acre-ft |
| Normal Storage | 570 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1990 (36 years old) |
| Year Modified | 2015 |
| NID ID | NH01048 |
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
NH DNCR
State Government
Nearby Dams
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Low Hazard 29 ftPemigewasset River Levee
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Echo Lake Dam?
Echo 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 Echo Lake Dam?
Echo Lake Dam is owned by NH DNCR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Echo Lake Dam built?
Echo Lake Dam was completed in 1990, making it 36 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 Echo Lake Dam?
Echo 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 Echo Lake Dam?
Echo Lake Dam has a dam height of 7 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 Echo Lake Dam last inspected?
Echo Lake Dam was last inspected on September 27, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.