East Mountain Lake Dam

TROUT CREEK· Putnam, New York· Built 1932· Concrete· 7 ft tall
Low Hazard Recreation Private

Key Takeaway

East Mountain Lake Dam is classified as low hazard in New York. It was completed in 1932 and is 94 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 0.9% in NY)
Dam Length50 ft
Dam TypeConcrete
Max Storage78 acre-ft
Normal Storage20 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge50 cfs
Year Completed1932 (94 years old)
NID IDNY13541

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 15, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Roy Leonard

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Mountain Lake Dam?

East Mountain Lake 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 East Mountain Lake Dam?

East Mountain Lake Dam is owned by Roy Leonard (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Mountain Lake Dam built?

East Mountain Lake Dam was completed in 1932, making it 94 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 East Mountain Lake Dam?

East Mountain Lake 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 East Mountain Lake Dam?

East Mountain Lake 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 East Mountain Lake Dam last inspected?

East Mountain Lake Dam was last inspected on May 15, 2019. 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.