Frog Pond Dam

INDIAN HOLLOW BROOK· Windham, Connecticut· Built 1870· Earth· 10 ft tall
Significant Hazard Recreation Private

Key Takeaway

Frog Pond Dam is classified as significant hazard in Connecticut. It was completed in 1870 and is 156 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 29.6% in CT)
Dam Length130 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage50 acre-ft
Surface Area17 acres
Drainage Area2 sq mi
Max Discharge287 cfs
Year Completed1870 (156 years old)
NID IDCT00195

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: No
Last Inspection: November 30, 2015
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Edelman

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Frog Pond Dam?

Frog Pond 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 Frog Pond Dam?

Frog Pond Dam is owned by Edelman (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frog Pond Dam built?

Frog Pond Dam was completed in 1870, making it 156 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 Frog Pond Dam?

Frog Pond 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 Frog Pond Dam?

Frog Pond Dam has a dam height of 10 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 Frog Pond Dam last inspected?

Frog Pond Dam was last inspected on November 30, 2015. 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.