Pawtuckaway Lake/ Drowns Dike
Key Takeaway
Pawtuckaway Lake/ Drowns Dike is classified as low hazard in New Hampshire. It was completed in 1842 and is 184 years old. Its primary use is recreation.
Physical Details
| Dam Height | 12 ft (taller than 28.2% in NH) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 4.3K acre-ft |
| Normal Storage | 3.6K acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 21 sq mi |
| Year Completed | 1842 (184 years old) |
| NID ID | NH01011 |
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 DES WATER DIVISION
State Government
Nearby Dams
Pawtuckaway Lake /Drowns Dam
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High Hazard 31 ftDeer Pond Dam
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Pawtuckaway Lake/ Drowns Dike?
Pawtuckaway Lake/ Drowns Dike 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 Pawtuckaway Lake/ Drowns Dike?
Pawtuckaway Lake/ Drowns Dike is owned by NH DES WATER DIVISION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pawtuckaway Lake/ Drowns Dike built?
Pawtuckaway Lake/ Drowns Dike was completed in 1842, making it 184 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 Pawtuckaway Lake/ Drowns Dike?
Pawtuckaway Lake/ Drowns Dike 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 Pawtuckaway Lake/ Drowns Dike?
Pawtuckaway Lake/ Drowns Dike has a dam height of 12 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 Pawtuckaway Lake/ Drowns Dike last inspected?
Pawtuckaway Lake/ Drowns Dike was last inspected on March 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.