Movable Dam At Mays Point

CLYDE RIVER· Seneca, New York· Built 1915· Other· 10 ft tall
Low Hazard Flood Risk Reduction Navigation State Government

Key Takeaway

Movable Dam At Mays Point is classified as low hazard in New York. It was completed in 1915 and is 111 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 10 ft (taller than 12.4% in NY)
Dam Length165 ft
Dam TypeOther
Max Storage504 acre-ft
Normal Storage504 acre-ft
Drainage Area864 sq mi
Year Completed1915 (111 years old)
NID IDNY00958

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: August 22, 2013
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

New York State Canal Corporation

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Movable Dam At Mays Point?

Movable Dam At Mays Point 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 Movable Dam At Mays Point?

Movable Dam At Mays Point is owned by New York State Canal Corporation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Movable Dam At Mays Point built?

Movable Dam At Mays Point was completed in 1915, making it 111 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 Movable Dam At Mays Point?

Movable Dam At Mays Point serves the following purposes: Flood Risk Reduction, Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Movable Dam At Mays Point?

Movable Dam At Mays Point 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 Movable Dam At Mays Point last inspected?

Movable Dam At Mays Point was last inspected on August 22, 2013. 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.