Mallory Pond Dam

MALLORY BROOK· Sullivan, New York· Built 1950· Earth· 7 ft tall
Low Hazard Recreation Private

Key Takeaway

Mallory Pond Dam is classified as low hazard in New York. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 0.9% in NY)
Dam Length310 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage51 acre-ft
Surface Area38 acres
Max Discharge265 cfs
Year Completed1950 (76 years old)
NID IDNY01283

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: December 31, 1901
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CHEROKEE PRESERVE CLUB

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mallory Pond Dam?

Mallory Pond 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 Mallory Pond Dam?

Mallory Pond Dam is owned by CHEROKEE PRESERVE CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mallory Pond Dam built?

Mallory Pond Dam was completed in 1950, making it 76 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 Mallory Pond Dam?

Mallory Pond 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 Mallory Pond Dam?

Mallory Pond Dam has a dam height of 7 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 Mallory Pond Dam last inspected?

Mallory Pond Dam was last inspected on December 31, 1901. 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.