Sunset Lake Dam

EAST MONGAUP RIVER· Sullivan, New York· Earth· 18 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Sunset Lake Dam is classified as low hazard in New York. Its primary use is recreation.

Physical Details

Dam Height 18 ft (taller than 49.5% in NY)
Dam Length246 ft
Dam TypeEarth
Max Storage128 acre-ft
Normal Storage51 acre-ft
Surface Area13 acres
Drainage Area0 sq mi
NID IDNY00990

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 17, 2009
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

SULLIVAN COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sunset Lake Dam?

Sunset 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 Sunset Lake Dam?

Sunset Lake Dam is owned by SULLIVAN COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Sunset Lake Dam?

Sunset 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 Sunset Lake Dam?

Sunset Lake Dam has a dam height of 18 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 Sunset Lake Dam last inspected?

Sunset Lake Dam was last inspected on December 17, 2009. 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.