Keenan Reservoir Dam

CLENDON BROOK· Warren, New York· Built 1892· Earth· 30 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Keenan Reservoir Dam is classified as high hazard in New York. It was completed in 1892 and is 134 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 30 ft (taller than 78.3% in NY)
Dam Length479 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage1.0K acre-ft
Surface Area115 acres
Year Completed1892 (134 years old)
NID IDNY01164

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: July 22, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CITY OF GLENS FALLS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Keenan Reservoir Dam?

Keenan Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Keenan Reservoir Dam?

Keenan Reservoir Dam is owned by CITY OF GLENS FALLS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Keenan Reservoir Dam built?

Keenan Reservoir Dam was completed in 1892, making it 134 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 Keenan Reservoir Dam?

Keenan Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Keenan Reservoir Dam?

Keenan Reservoir Dam has a dam height of 30 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 Keenan Reservoir Dam last inspected?

Keenan Reservoir Dam was last inspected on July 22, 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.