Robert Alcorn Dam

TR-OWASCO LAKE OUTLET· Cayuga, New York· Built 1998· Earth· 40 ft tall
Low Hazard Recreation Private

Key Takeaway

Robert Alcorn Dam is classified as low hazard in New York. It was completed in 1998 and is 28 years old. Its primary use is recreation.

Physical Details

Dam Height 40 ft (taller than 88.1% in NY)
Dam Length5,000 ft
Dam TypeEarth
Max Storage107 acre-ft
Normal Storage84 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge463 cfs
Year Completed1998 (28 years old)
NID IDNY01527

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: June 7, 2012
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

ALLISON WELCH

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Robert Alcorn Dam?

Robert Alcorn 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 Robert Alcorn Dam?

Robert Alcorn Dam is owned by ALLISON WELCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Robert Alcorn Dam built?

Robert Alcorn Dam was completed in 1998, making it 28 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 Robert Alcorn Dam?

Robert Alcorn 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 Robert Alcorn Dam?

Robert Alcorn Dam has a dam height of 40 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 Robert Alcorn Dam last inspected?

Robert Alcorn Dam was last inspected on June 7, 2012. 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.