Sheep Davis Road Dam

NA· Merrimack, New Hampshire· Built 1990· Earth· 24 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Sheep Davis Road Dam is classified as low hazard in New Hampshire. It was completed in 1990 and is 36 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 24 ft (taller than 79% in NH)
Dam Length250 ft
Dam TypeEarth
Max Storage1.9K acre-ft
Normal Storage13 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge213 cfs
Year Completed1990 (36 years old)
NID IDNH01037

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: October 5, 2017
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

CITY OF CONCORD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sheep Davis Road Dam?

Sheep Davis 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 Sheep Davis Road Dam?

Sheep Davis Road Dam is owned by CITY OF CONCORD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sheep Davis Road Dam built?

Sheep Davis Road Dam was completed in 1990, making it 36 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 Sheep Davis Road Dam?

Sheep Davis Road Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sheep Davis Road Dam?

Sheep Davis Road Dam has a dam height of 24 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 Sheep Davis Road Dam last inspected?

Sheep Davis Road Dam was last inspected on October 5, 2017. 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.