Van Dyke Dam

MONOMONAC BROOK· Cheshire, New Hampshire· Built 1982· Earth· 8 ft tall
Low Hazard Recreation Private

Key Takeaway

Van Dyke Dam is classified as low hazard in New Hampshire. It was completed in 1982 and is 44 years old. Its primary use is recreation.

Physical Details

Dam Height 8 ft (taller than 5% in NH)
Dam Length94 ft
Dam TypeEarth
Max Storage66 acre-ft
Normal Storage39 acre-ft
Surface Area18 acres
Drainage Area3 sq mi
Year Completed1982 (44 years old)
Year Modified1991
NID IDNH00853

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: May 20, 2022
State Regulated: Yes
Regulatory Agency: NH DES

Ownership

MS KATHLEEN VANDYKE EXECUTOR

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Van Dyke Dam?

Van Dyke 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 Van Dyke Dam?

Van Dyke Dam is owned by MS KATHLEEN VANDYKE EXECUTOR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Van Dyke Dam built?

Van Dyke Dam was completed in 1982, making it 44 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 Van Dyke Dam?

Van Dyke 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 Van Dyke Dam?

Van Dyke Dam has a dam height of 8 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 Van Dyke Dam last inspected?

Van Dyke Dam was last inspected on May 20, 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.