Moose Falls Dam

CONNECTICUT RIVER· Coos, New Hampshire· Built 1950· Earth· 10 ft tall
Significant Hazard Fish And Wildlife Pond State Government

Key Takeaway

Moose Falls Dam is classified as significant hazard in New Hampshire. It was completed in 1950 and is 76 years old. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 16% in NH)
Dam Length250 ft
Dam TypeEarth
Max Storage190 acre-ft
Normal Storage86 acre-ft
Surface Area25 acres
Drainage Area8 sq mi
Year Completed1950 (76 years old)
Year Modified1990
NID IDNH00456

Safety Information

Significant Hazard

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?

Emergency Action Plan: Yes
Last Inspection: October 4, 2021
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

NH DNCR

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Moose Falls Dam?

Moose Falls 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 Moose Falls Dam?

Moose Falls Dam is owned by NH DNCR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Moose Falls Dam built?

Moose Falls Dam was completed in 1950, making it 76 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 Moose Falls Dam?

Moose Falls Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Moose Falls Dam?

Moose Falls 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 Moose Falls Dam last inspected?

Moose Falls Dam was last inspected on October 4, 2021. 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.