Melvin River Dam

MELVIN RIVER· Carroll, New Hampshire· Built 1930· Concrete· 17 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Melvin River Dam is classified as significant hazard in New Hampshire. It was completed in 1930 and is 96 years old. Its primary use is recreation. 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 Length150 ft
Dam TypeConcrete
Max Storage33 acre-ft
Normal Storage30 acre-ft
Surface Area3 acres
Drainage Area16 sq mi
Year Completed1930 (96 years old)
Year Modified1952
NID IDNH00887

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 26, 2022
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 Melvin River Dam?

Melvin River 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 Melvin River Dam?

Melvin River 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 Melvin River Dam built?

Melvin River Dam was completed in 1930, making it 96 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 Melvin River Dam?

Melvin River 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 Melvin River Dam?

Melvin River Dam 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 Melvin River Dam last inspected?

Melvin River Dam was last inspected on October 26, 2022. 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.