Allen Street Detention Pond Dam

OS-CHADAKOIN RIVER· Chautauqua, New York· Earth· 21 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Allen Street Detention Pond Dam is classified as significant hazard in New York. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 61.3% in NY)
Dam Length180 ft
Dam TypeEarth
Max Storage8 acre-ft
Normal Storage5 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
NID IDNY15041

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: May 18, 2017
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CHAUTAUQUA COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Allen Street Detention Pond Dam?

Allen Street Detention Pond 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 Allen Street Detention Pond Dam?

Allen Street Detention Pond Dam is owned by CHAUTAUQUA COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Allen Street Detention Pond Dam?

Allen Street Detention Pond 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 Allen Street Detention Pond Dam?

Allen Street Detention Pond Dam has a dam height of 21 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 Allen Street Detention Pond Dam last inspected?

Allen Street Detention Pond Dam was last inspected on May 18, 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.