Edgewood Lake Lower Dam

TR-BEAVER KILL· Sullivan, New York· Built 1945· Stone· 15 ft tall
Significant Hazard Recreation Private

Key Takeaway

Edgewood Lake Lower Dam is classified as significant hazard in New York. It was completed in 1945 and is 81 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 37.1% in NY)
Dam Length60 ft
Dam TypeStone
Max Storage156 acre-ft
Normal Storage104 acre-ft
Surface Area21 acres
Drainage Area1 sq mi
Max Discharge30 cfs
Year Completed1945 (81 years old)
NID IDNY01252

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: December 1, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

DT Mance & Associates

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Edgewood Lake Lower Dam?

Edgewood Lake Lower Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Edgewood Lake Lower Dam?

Edgewood Lake Lower Dam is owned by DT Mance & Associates (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Edgewood Lake Lower Dam built?

Edgewood Lake Lower Dam was completed in 1945, making it 81 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 Edgewood Lake Lower Dam?

Edgewood Lake Lower 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 Edgewood Lake Lower Dam?

Edgewood Lake Lower Dam has a dam height of 15 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 Edgewood Lake Lower Dam last inspected?

Edgewood Lake Lower Dam was last inspected on December 1, 2020. 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.