Conewango Creek Site 1 Dam

DAVIS BROOK· Cattaraugus, New York· Built 1969· Earth· 48 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Conewango Creek Site 1 Dam is classified as high hazard in New York. It was completed in 1969 and is 57 years old. Its primary use is flood risk reduction. 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 48 ft (taller than 91.6% in NY)
Dam Length794 ft
Dam TypeEarth
Max Storage273 acre-ft
Normal Storage85 acre-ft
Surface Area4 acres
Drainage Area2 sq mi
Max Discharge7,000 cfs
Year Completed1969 (57 years old)
NID IDNY00564

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: December 11, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CATTARAUGUS COUNTY;Cattaraugus County

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Conewango Creek Site 1 Dam?

Conewango Creek Site 1 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 Conewango Creek Site 1 Dam?

Conewango Creek Site 1 Dam is owned by CATTARAUGUS COUNTY;Cattaraugus County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Conewango Creek Site 1 Dam built?

Conewango Creek Site 1 Dam was completed in 1969, making it 57 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 Conewango Creek Site 1 Dam?

Conewango Creek Site 1 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Conewango Creek Site 1 Dam?

Conewango Creek Site 1 Dam has a dam height of 48 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 Conewango Creek Site 1 Dam last inspected?

Conewango Creek Site 1 Dam was last inspected on December 11, 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.