Twitchell Reservoir Dam

BEACON HILL BROOK· New Haven, Connecticut· Earth· 7 ft tall
Significant Hazard Water Supply Public Utility

Key Takeaway

Twitchell Reservoir Dam is classified as significant hazard in Connecticut. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 7 ft (taller than 13.2% in CT)
Dam Length200 ft
Dam TypeEarth
Surface Area1 acres
Drainage Area3 sq mi
NID IDCT00699

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: Yes
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Twitchell Reservoir Dam?

Twitchell Reservoir 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 Twitchell Reservoir Dam?

Twitchell Reservoir Dam is owned by information not available (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Twitchell Reservoir Dam?

Twitchell Reservoir 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 Twitchell Reservoir Dam?

Twitchell Reservoir Dam has a dam height of 7 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.