Somersville Pond Dam

SCANTIC RIVER· Tolland, Connecticut· Built 1890· Earth· 22 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Somersville Pond Dam is classified as significant hazard in Connecticut. It was completed in 1890 and is 136 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 78.5% in CT)
Dam Length185 ft
Dam TypeEarth
Max Storage533 acre-ft
Normal Storage350 acre-ft
Surface Area45 acres
Drainage Area57 sq mi
Max Discharge3,165 cfs
Year Completed1890 (136 years old)
NID IDCT00273

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
Last Inspection: April 21, 2015
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Connecticut DEEP

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Somersville Pond Dam?

Somersville 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 Somersville Pond Dam?

Somersville Pond Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Somersville Pond Dam built?

Somersville Pond Dam was completed in 1890, making it 136 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 Somersville Pond Dam?

Somersville Pond 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 Somersville Pond Dam?

Somersville Pond Dam has a dam height of 22 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 Somersville Pond Dam last inspected?

Somersville Pond Dam was last inspected on April 21, 2015. 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.