Nys Atomic Development Dam #2

TR-BUTTERMILK CREEK· Cattaraugus, New York· Built 1963· Earth· 45 ft tall
Low Hazard Water Supply State Government

Key Takeaway

Nys Atomic Development Dam #2 is classified as low hazard in New York. It was completed in 1963 and is 63 years old. Its primary use is water supply.

Physical Details

Dam Height 45 ft (taller than 90.4% in NY)
Dam Length360 ft
Dam TypeEarth
Max Storage98 acre-ft
Normal Storage79 acre-ft
Surface Area15 acres
Drainage Area3 sq mi
Max Discharge500 cfs
Year Completed1963 (63 years old)
NID IDNY00838

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: October 15, 2015
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

NYS ENERGY RESEARCH & DEVELOPMENT AUTHORITY

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Nys Atomic Development Dam #2?

Nys Atomic Development Dam #2 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Nys Atomic Development Dam #2?

Nys Atomic Development Dam #2 is owned by NYS ENERGY RESEARCH & DEVELOPMENT AUTHORITY (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Nys Atomic Development Dam #2 built?

Nys Atomic Development Dam #2 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 Nys Atomic Development Dam #2?

Nys Atomic Development Dam #2 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 Nys Atomic Development Dam #2?

Nys Atomic Development Dam #2 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 Nys Atomic Development Dam #2 last inspected?

Nys Atomic Development Dam #2 was last inspected on October 15, 2015. 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.