Phillips Pond Dam

WEST BRANCH PHILLIPS BROOK· Coos, New Hampshire· Built 1926· Earth· 15 ft tall
Low Hazard Recreation Private

Key Takeaway

Phillips Pond Dam is classified as low hazard in New Hampshire. It was completed in 1926 and is 100 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 47.8% in NH)
Dam Length60 ft
Dam TypeEarth
Max Storage472 acre-ft
Normal Storage117 acre-ft
Surface Area71 acres
Drainage Area3 sq mi
Max Discharge445 cfs
Year Completed1926 (100 years old)
NID IDNH00375

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 16, 2020
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

URSA MAJOR LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Phillips Pond Dam?

Phillips 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 Phillips Pond Dam?

Phillips Pond Dam is owned by URSA MAJOR LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Phillips Pond Dam built?

Phillips Pond Dam was completed in 1926, making it 100 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 Phillips Pond Dam?

Phillips 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 Phillips Pond Dam?

Phillips Pond Dam has a dam height of 15 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 Phillips Pond Dam last inspected?

Phillips Pond Dam was last inspected on September 16, 2020. 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.