Lake Glen Dam

SARGENT RIVER· New Haven, Connecticut· Built 1907· Concrete· 62 ft tall
High Hazard Water Supply Public Utility

Key Takeaway

Lake Glen Dam is classified as high hazard in Connecticut. It was completed in 1907 and is 119 years old. Its primary use is water supply. 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 62 ft (taller than 97% in CT)
Dam Length380 ft
Dam TypeConcrete
Max Storage710 acre-ft
Normal Storage710 acre-ft
Surface Area23 acres
Drainage Area6 sq mi
Max Discharge4,100 cfs
Year Completed1907 (119 years old)
Year Modified2003
NID IDCT00317

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
Last Inspection: November 6, 2019
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

South Central CT RWA

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Glen Dam?

Lake Glen 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 Lake Glen Dam?

Lake Glen Dam is owned by South Central CT RWA (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Glen Dam built?

Lake Glen Dam was completed in 1907, making it 119 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 Lake Glen Dam?

Lake Glen 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 Lake Glen Dam?

Lake Glen Dam has a dam height of 62 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 Lake Glen Dam last inspected?

Lake Glen Dam was last inspected on November 6, 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.