Hattertown Pond Dam

LEWIS BROOK· Fairfield, Connecticut· Built 1840· Earth· 11 ft tall
Significant Hazard Recreation Private

Key Takeaway

Hattertown Pond Dam is classified as significant hazard in Connecticut. It was completed in 1840 and is 186 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 11 ft (taller than 37.9% in CT)
Dam Length95 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage70 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Max Discharge121 cfs
Year Completed1840 (186 years old)
NID IDCT00313

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

Newtown Forest Association, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hattertown Pond Dam?

Hattertown 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 Hattertown Pond Dam?

Hattertown Pond Dam is owned by Newtown Forest Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hattertown Pond Dam built?

Hattertown Pond Dam was completed in 1840, making it 186 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 Hattertown Pond Dam?

Hattertown 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 Hattertown Pond Dam?

Hattertown Pond Dam has a dam height of 11 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.