Happy Acres Dam

LOWRY BROOK· Windham, Connecticut· Built 1973· Earth· 20 ft tall
Significant Hazard Recreation Private

Key Takeaway

Happy Acres Dam is classified as significant hazard in Connecticut. It was completed in 1973 and is 53 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 Length230 ft
Dam TypeEarth
Max Storage1.0K acre-ft
Normal Storage410 acre-ft
Surface Area90 acres
Drainage Area1 sq mi
Max Discharge230 cfs
Year Completed1973 (53 years old)
Year Modified2013
NID IDCT00464

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: April 22, 2020
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

The Salvation Army

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Happy Acres Dam?

Happy Acres 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 Happy Acres Dam?

Happy Acres Dam is owned by The Salvation Army (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Happy Acres Dam built?

Happy Acres Dam was completed in 1973, making it 53 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 Happy Acres Dam?

Happy Acres 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 Happy Acres Dam?

Happy Acres 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 Happy Acres Dam last inspected?

Happy Acres Dam was last inspected on April 22, 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.