Mirror Lake Dam

CROW HOLLOW BROOK· New Haven, Connecticut· Built 1949· Earth· 20 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Mirror Lake Dam is classified as significant hazard in Connecticut. It was completed in 1949 and is 77 years old. Its primary use is recreation. 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 Length500 ft
Dam TypeEarth
Max Storage66 acre-ft
Normal Storage66 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Max Discharge315 cfs
Year Completed1949 (77 years old)
Year Modified2003
NID IDCT01049

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: March 26, 2020
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

City of Meriden

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mirror Lake Dam?

Mirror 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 Mirror Lake Dam?

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

When was Mirror Lake Dam built?

Mirror Lake Dam was completed in 1949, making it 77 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 Mirror Lake Dam?

Mirror Lake 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 Mirror Lake Dam?

Mirror 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 Mirror Lake Dam last inspected?

Mirror Lake Dam was last inspected on March 26, 2020. 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.