Kiamesha Lake Dam

KIAMESHA CREEK· Sullivan, New York· Built 1914· Masonry· 8 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Kiamesha Lake Dam is classified as low hazard in New York. It was completed in 1914 and is 112 years old. Its primary use is recreation.

Physical Details

Dam Height 8 ft (taller than 5.1% in NY)
Dam Length215 ft
Dam TypeMasonry
Max Storage1.3K acre-ft
Normal Storage156 acre-ft
Surface Area156 acres
Drainage Area1 sq mi
Year Completed1914 (112 years old)
NID IDNY12768

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

Ownership

TOWN OF THOMPSON

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Kiamesha Lake Dam?

Kiamesha 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 Kiamesha Lake Dam?

Kiamesha Lake Dam is owned by TOWN OF THOMPSON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Kiamesha Lake Dam built?

Kiamesha Lake Dam was completed in 1914, making it 112 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 Kiamesha Lake Dam?

Kiamesha 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 Kiamesha Lake Dam?

Kiamesha Lake Dam has a dam height of 8 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 Kiamesha Lake Dam last inspected?

Kiamesha Lake Dam was last inspected on August 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.