Mirror Lake Dam

Roberts Brook· Tolland, Connecticut· Earth· 12 ft tall

High Hazard Recreation State Government

Key Takeaway

Mirror Lake 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	12 ft (taller than 42.4% in CT)
Dam Length	390 ft
Dam Type	Earth

Surface Area	5 acres
Drainage Area	0 sq mi
NID ID	CT01829

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: Yes

State Regulated: Yes

Regulatory Agency: DEEP

Ownership

State Government

Nearby Dams

Hanks Hill Pond Dam

Tolland, CT

Significant Hazard 9 ft

Bone Mill Pond Dam

Tolland, CT

Significant Hazard 15 ft

Mansfield Recreation Pond

Tolland, CT

Significant Hazard 25 ft

Eagleville Dam

Tolland, CT

High Hazard 18 ft

Decew South Coventry Pond Dam

Tolland, CT

Significant Hazard 11 ft

Mansfield Training Dam #1

Tolland, CT

Significant Hazard 10 ft

Mansfield Training Dam #2

Tolland, CT

Significant Hazard 12 ft

Lower Pelican Road Pond Dam

Tolland, CT

Significant Hazard 4 ft

Frequently Asked Questions

What is the hazard classification of Mirror Lake Dam?

Mirror Lake 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 Mirror Lake Dam?

Mirror Lake Dam is owned by information not available (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

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 12 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.