Howard Jeffrey Dam

TR-THOMPSON CREEK· Chenango, New York· Built 1963· Earth· 19 ft tall
Significant Hazard Other State Government

Key Takeaway

Howard Jeffrey Dam is classified as significant hazard in New York. It was completed in 1963 and is 63 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 53.6% in NY)
Dam Length300 ft
Dam TypeEarth
Max Storage118 acre-ft
Normal Storage47 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge862 cfs
Year Completed1963 (63 years old)
NID IDNY01008

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: Yes
Last Inspection: July 15, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

NYS DEC DIVISION OF LANDS & FORESTS

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Howard Jeffrey Dam?

Howard Jeffrey 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 Howard Jeffrey Dam?

Howard Jeffrey Dam is owned by NYS DEC DIVISION OF LANDS & FORESTS (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Howard Jeffrey Dam built?

Howard Jeffrey Dam was completed in 1963, making it 63 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 Howard Jeffrey Dam?

Howard Jeffrey Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Howard Jeffrey Dam?

Howard Jeffrey Dam has a dam height of 19 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 Howard Jeffrey Dam last inspected?

Howard Jeffrey Dam was last inspected on July 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.