Island Brook Lagoon Dam

ISLAND BROOK· Fairfield, Connecticut· Earth· 19 ft tall
High Hazard Recreation Private

Key Takeaway

Island Brook Lagoon Dam is classified as high hazard in Connecticut. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 19 ft (taller than 71.2% in CT)
Dam Length145 ft
Dam TypeEarth
Max Storage105 acre-ft
Normal Storage105 acre-ft
Surface Area5 acres
Drainage Area2 sq mi
Max Discharge780 cfs
NID IDCT00073

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 30, 2008
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Charcoal Pond Associates

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Island Brook Lagoon Dam?

Island Brook Lagoon Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Island Brook Lagoon Dam?

Island Brook Lagoon Dam is owned by Charcoal Pond Associates (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Island Brook Lagoon Dam?

Island Brook Lagoon 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 Island Brook Lagoon Dam?

Island Brook Lagoon Dam has a dam height of 19 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 Island Brook Lagoon Dam last inspected?

Island Brook Lagoon Dam was last inspected on September 30, 2008. 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.