Ragged Mountain Snow Pond Dam

TR DANBURY BOG MARSH· Merrimack, New Hampshire· Built 1988· Earth· 49 ft tall
Low Hazard Fish And Wildlife Pond Private

Key Takeaway

Ragged Mountain Snow Pond Dam is classified as low hazard in New Hampshire. It was completed in 1988 and is 38 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 49 ft (taller than 94.9% in NH)
Dam Length250 ft
Dam TypeEarth
Max Storage17 acre-ft
Normal Storage10 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge129 cfs
Year Completed1988 (38 years old)
Year Modified1996
NID IDNH00952

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: September 30, 2022
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

RAGGED MOUNTAIN RESORT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ragged Mountain Snow Pond Dam?

Ragged Mountain Snow 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 Ragged Mountain Snow Pond Dam?

Ragged Mountain Snow Pond Dam is owned by RAGGED MOUNTAIN RESORT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ragged Mountain Snow Pond Dam built?

Ragged Mountain Snow Pond Dam was completed in 1988, making it 38 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 Ragged Mountain Snow Pond Dam?

Ragged Mountain Snow Pond 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 Ragged Mountain Snow Pond Dam?

Ragged Mountain Snow Pond Dam has a dam height of 49 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 Ragged Mountain Snow Pond Dam last inspected?

Ragged Mountain Snow Pond Dam was last inspected on September 30, 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.