Clark Pond East Dam
Key Takeaway
Clark Pond East Dam is classified as low hazard in New Hampshire. It was completed in 1811 and is 215 years old. Its primary use is water supply.
Physical Details
| Dam Height | 8 ft (taller than 5% in NH) |
| Dam Length | 125 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 1,437 cfs |
| Year Completed | 1811 (215 years old) |
| Year Modified | 2010 |
| NID ID | NH00227 |
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
MANCHESTER WATER WORKS
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Clark Pond East Dam?
Clark Pond East 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 Clark Pond East Dam?
Clark Pond East Dam is owned by MANCHESTER WATER WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clark Pond East Dam built?
Clark Pond East Dam was completed in 1811, making it 215 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 Clark Pond East Dam?
Clark Pond East 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 Clark Pond East Dam?
Clark Pond East 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 Clark Pond East Dam last inspected?
Clark Pond East Dam was last inspected on October 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.