Glen Road
Key Takeaway
Glen Road is classified as significant hazard in New Hampshire. It was completed in 1988 and is 38 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 59.6% in NH) |
| Dam Length | 175 ft |
| Dam Type | Concrete |
| Max Storage | 10 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 194 sq mi |
| Max Discharge | 8,970 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | NH00159 |
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
Green Mountain Power
Private
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High Hazard 182 ftFrequently Asked Questions
What is the hazard classification of Glen Road?
Glen Road 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 Glen Road?
Glen Road is owned by Green Mountain Power (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Glen Road built?
Glen Road was completed in 1988, making it 38 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 Glen Road?
Glen Road serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Glen Road?
Glen Road has a dam height of 17 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 Glen Road last inspected?
Glen Road was last inspected on September 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.