Boundary Pond Dam

TR WEST BRANCH MAGALLOWAY· Coos, New Hampshire· Built 1952· Earth· 10 ft tall
Low Hazard Recreation State Government

Key Takeaway

Boundary Pond Dam is classified as low hazard in New Hampshire. It was completed in 1952 and is 74 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 16% in NH)
Dam Length180 ft
Dam TypeEarth
Max Storage85 acre-ft
Normal Storage40 acre-ft
Surface Area20 acres
Drainage Area0 sq mi
Max Discharge130 cfs
Year Completed1952 (74 years old)
Year Modified2012
NID IDNH00576

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: June 25, 2018
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

NH FISH AND GAME DEPARTMENT

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Boundary Pond Dam?

Boundary Pond 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 Boundary Pond Dam?

Boundary Pond 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 Boundary Pond Dam built?

Boundary Pond Dam was completed in 1952, making it 74 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 Boundary Pond Dam?

Boundary Pond 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 Boundary Pond Dam?

Boundary Pond Dam has a dam height of 10 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 Boundary Pond Dam last inspected?

Boundary Pond Dam was last inspected on June 25, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.