Fairy Lake Dam

UNNAMED· New London, Connecticut· Built 1956· Concrete· 20 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Fairy Lake Dam is classified as significant hazard in Connecticut. It was completed in 1956 and is 70 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 72.5% in CT)
Dam Length50 ft
Dam TypeConcrete
Max Storage637 acre-ft
Normal Storage637 acre-ft
Surface Area98 acres
Drainage Area1 sq mi
Max Discharge368 cfs
Year Completed1956 (70 years old)
NID IDCT00373

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
Last Inspection: October 15, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

City of New London

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Fairy Lake Dam?

Fairy Lake 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 Fairy Lake Dam?

Fairy Lake Dam is owned by City of New London (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fairy Lake Dam built?

Fairy Lake Dam was completed in 1956, making it 70 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 Fairy Lake Dam?

Fairy Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Fairy Lake Dam?

Fairy Lake Dam has a dam height of 20 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 Fairy Lake Dam last inspected?

Fairy Lake Dam was last inspected on October 15, 2019. 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.