Hartwick Reservoir Dam

TR-OTEGO CREEK· Otsego, New York· Built 1924· Arch· 23 ft tall
Significant Hazard Recreation Private

Key Takeaway

Hartwick Reservoir Dam is classified as significant hazard in New York. It was completed in 1924 and is 102 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 23 ft (taller than 66% in NY)
Dam Length100 ft
Dam TypeArch
Max Storage213 acre-ft
Normal Storage173 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Max Discharge394 cfs
Year Completed1924 (102 years old)
NID IDNY01000

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: January 7, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

WAYNE SEELEY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hartwick Reservoir Dam?

Hartwick Reservoir 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 Hartwick Reservoir Dam?

Hartwick Reservoir Dam is owned by WAYNE SEELEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hartwick Reservoir Dam built?

Hartwick Reservoir Dam was completed in 1924, making it 102 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 Hartwick Reservoir Dam?

Hartwick Reservoir 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 Hartwick Reservoir Dam?

Hartwick Reservoir Dam has a dam height of 23 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 Hartwick Reservoir Dam last inspected?

Hartwick Reservoir Dam was last inspected on January 7, 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.