Evas Marsh Dam
Key Takeaway
Evas Marsh Dam is classified as low hazard in New Hampshire. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 9 ft (taller than 10.9% in NH) |
| Dam Length | 170 ft |
| Dam Type | Earth |
| Max Storage | 130 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 133 cfs |
| Year Completed | 1962 (64 years old) |
| Year Modified | 1997 |
| NID ID | NH00710 |
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 FISH AND GAME DEPARTMENT
State Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Evas Marsh Dam?
Evas Marsh 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 Evas Marsh Dam?
Evas Marsh Dam is owned by NH FISH AND GAME DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Evas Marsh Dam built?
Evas Marsh Dam was completed in 1962, making it 64 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 Evas Marsh Dam?
Evas Marsh 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 Evas Marsh Dam?
Evas Marsh Dam has a dam height of 9 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 Evas Marsh Dam last inspected?
Evas Marsh Dam was last inspected on October 3, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.