Icy Gulch Reservoir Dam
Key Takeaway
Icy Gulch Reservoir Dam is classified as significant hazard in New Hampshire. It was completed in 1940 and is 86 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 63.5% in NH) |
| Dam Length | 110 ft |
| Dam Type | Concrete |
| Max Storage | 1 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 932 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 2002 |
| NID ID | NH00998 |
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
TOWN OF GORHAM WATER AND SEWER DEPT
Local Government
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What is the hazard classification of Icy Gulch Reservoir Dam?
Icy Gulch Reservoir 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 Icy Gulch Reservoir Dam?
Icy Gulch Reservoir Dam is owned by TOWN OF GORHAM WATER AND SEWER DEPT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Icy Gulch Reservoir Dam built?
Icy Gulch Reservoir Dam was completed in 1940, making it 86 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 Icy Gulch Reservoir Dam?
Icy Gulch Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Icy Gulch Reservoir Dam?
Icy Gulch Reservoir Dam has a dam height of 18 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 Icy Gulch Reservoir Dam last inspected?
Icy Gulch Reservoir Dam was last inspected on June 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.