Rogers Lake Dam

MILL BROOK· New London, Connecticut· Built 1822· Earth· 7 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Rogers Lake Dam is classified as significant hazard in Connecticut. It was completed in 1822 and is 204 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 7 ft (taller than 13.2% in CT)
Dam Length125 ft
Dam TypeEarth
Max Storage1.3K acre-ft
Normal Storage600 acre-ft
Surface Area270 acres
Drainage Area8 sq mi
Max Discharge344 cfs
Year Completed1822 (204 years old)
NID IDCT00418

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: October 22, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Town of Old Lyme

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rogers Lake Dam?

Rogers 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 Rogers Lake Dam?

Rogers Lake Dam is owned by Town of Old Lyme (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rogers Lake Dam built?

Rogers Lake Dam was completed in 1822, making it 204 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 Rogers Lake Dam?

Rogers 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 Rogers Lake Dam?

Rogers Lake Dam has a dam height of 7 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 Rogers Lake Dam last inspected?

Rogers Lake Dam was last inspected on October 22, 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.