Lower Unionville Reservoir Dam

Hawley Brook tributary to Farmington River· Hartford, Connecticut· Earth· 16 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

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

Physical Details

Dam Height 16 ft (taller than 63.7% in CT)
Dam Length175 ft
Dam TypeEarth
Max Storage1 acre-ft
Normal Storage5 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
NID IDCT00687

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

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lower Unionville Reservoir Dam?

Lower Unionville 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 Lower Unionville Reservoir Dam?

Lower Unionville Reservoir Dam is owned by information not available (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lower Unionville Reservoir Dam?

Lower Unionville Reservoir Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lower Unionville Reservoir Dam?

Lower Unionville Reservoir Dam has a dam height of 16 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.