Bigelow Pond Dam

BIGELOW BROOK· Tolland, Connecticut· Built 1941· Earth· 21 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Bigelow Pond Dam is classified as significant hazard in Connecticut. It was completed in 1941 and is 85 years old. Its primary use is recreation. 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 Length320 ft
Dam TypeEarth
Max Storage175 acre-ft
Normal Storage175 acre-ft
Surface Area19 acres
Drainage Area1 sq mi
Max Discharge713 cfs
Year Completed1941 (85 years old)
NID IDCT00361

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: Yes
Regulatory Agency: DEEP

Ownership

Connecticut DEEP

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bigelow Pond Dam?

Bigelow 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 Bigelow Pond Dam?

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

When was Bigelow Pond Dam built?

Bigelow Pond Dam was completed in 1941, making it 85 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 Bigelow Pond Dam?

Bigelow 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 Bigelow Pond Dam?

Bigelow 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.

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.