Emery Road Dam

Merrimack, New Hampshire· Built 1910· Earth· 10 ft tall
Low Hazard Fish And Wildlife Pond Local Government

Key Takeaway

Emery Road Dam is classified as low hazard in New Hampshire. It was completed in 1910 and is 116 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 16% in NH)
Dam Length90 ft
Dam TypeEarth
Max Storage113 acre-ft
Normal Storage2 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge140 cfs
Year Completed1910 (116 years old)
NID IDNH03844

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: January 19, 2023
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

TOWN OF ANDOVER

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Emery Road Dam?

Emery Road 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 Emery Road Dam?

Emery Road Dam is owned by TOWN OF ANDOVER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Emery Road Dam built?

Emery Road Dam was completed in 1910, making it 116 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 Emery Road Dam?

Emery Road 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 Emery Road Dam?

Emery Road 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 Emery Road Dam last inspected?

Emery Road Dam was last inspected on January 19, 2023. 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.