Deerfield Reservoir #6 Dam

TR-REALL CREEK· Oneida, New York· Built 1900· Earth· 50 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Deerfield Reservoir #6 Dam is classified as high hazard in New York. It was completed in 1900 and is 126 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 50 ft (taller than 91.9% in NY)
Dam Length3,520 ft
Dam TypeEarth
Max Storage385 acre-ft
Normal Storage321 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Year Completed1900 (126 years old)
NID IDNY01227

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: August 19, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

MOHAWK VALLEY WATER AUTHORITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Deerfield Reservoir #6 Dam?

Deerfield Reservoir #6 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 Deerfield Reservoir #6 Dam?

Deerfield Reservoir #6 Dam is owned by MOHAWK VALLEY WATER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Deerfield Reservoir #6 Dam built?

Deerfield Reservoir #6 Dam was completed in 1900, making it 126 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 Deerfield Reservoir #6 Dam?

Deerfield Reservoir #6 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 Deerfield Reservoir #6 Dam?

Deerfield Reservoir #6 Dam has a dam height of 50 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 Deerfield Reservoir #6 Dam last inspected?

Deerfield Reservoir #6 Dam was last inspected on August 19, 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.