Upper Detention Basin Dam

21 ft tall
Significant Hazard Private

Key Takeaway

Upper Detention Basin Dam is classified as significant hazard in Connecticut. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 76.6% in CT)
Dam Length1,100 ft
Max Storage24 acre-ft
Normal Storage14 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
NID IDCT01810

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
State Regulated: No

Ownership

Private

Frequently Asked Questions

What is the hazard classification of Upper Detention Basin Dam?

Upper Detention Basin 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 Upper Detention Basin Dam?

Upper Detention Basin Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Upper Detention Basin Dam?

Upper Detention Basin 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.

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.