Dashville Dam

WALLKILL RIVER· Ulster, New York· Built 1922· Concrete· 34 ft tall
Low Hazard Hydroelectric Public Utility

Key Takeaway

Dashville Dam is classified as low hazard in New York. It was completed in 1922 and is 104 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 34 ft (taller than 83% in NY)
Dam Length370 ft
Dam TypeConcrete
Max Storage515 acre-ft
Normal Storage92 acre-ft
Surface Area300 acres
Drainage Area765 sq mi
Max Discharge31,600 cfs
Year Completed1922 (104 years old)
NID IDNY00076

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 4, 2008
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Central Hudson Gas & Electric Corp.

Public Utility

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Frequently Asked Questions

What is the hazard classification of Dashville Dam?

Dashville 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 Dashville Dam?

Dashville Dam is owned by Central Hudson Gas & Electric Corp. (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dashville Dam built?

Dashville Dam was completed in 1922, making it 104 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 Dashville Dam?

Dashville Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dashville Dam?

Dashville Dam has a dam height of 34 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 Dashville Dam last inspected?

Dashville Dam was last inspected on September 4, 2008. 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.