Frankfort Reservoir Dam

TR-MOHAWK RIVER· Herkimer, New York· Built 1908· Earth· 45 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Frankfort Reservoir Dam is classified as significant hazard in New York. It was completed in 1908 and is 118 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 45 ft (taller than 90.4% in NY)
Dam Length415 ft
Dam TypeEarth
Max Storage30 acre-ft
Normal Storage20 acre-ft
Surface Area2 acres
Year Completed1908 (118 years old)
NID IDNY14970

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: June 30, 2017
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

VILLAGE OF FRANKFORT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Frankfort Reservoir Dam?

Frankfort 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 Frankfort Reservoir Dam?

Frankfort Reservoir Dam is owned by VILLAGE OF FRANKFORT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frankfort Reservoir Dam built?

Frankfort Reservoir Dam was completed in 1908, making it 118 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 Frankfort Reservoir Dam?

Frankfort 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 Frankfort Reservoir Dam?

Frankfort Reservoir Dam has a dam height of 45 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 Frankfort Reservoir Dam last inspected?

Frankfort Reservoir Dam was last inspected on June 30, 2017. 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.