Chase Reservoir Dam

WHETSTONE BROOK TRIBUTARY· Windham, Connecticut· Built 1870· Earth· 13 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Chase Reservoir 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 13 ft (taller than 50.2% in CT)
Dam Length555 ft
Dam TypeEarth
Normal Storage240 acre-ft
Surface Area60 acres
Drainage Area1 sq mi
Year Completed1870 (156 years old)
NID IDCT00177

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: December 14, 2016
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Town of Killingly

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chase Reservoir Dam?

Chase Reservoir 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 Chase Reservoir Dam?

Chase Reservoir Dam is owned by Town of Killingly (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chase Reservoir Dam built?

Chase Reservoir 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 Chase Reservoir Dam?

Chase Reservoir 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 Chase Reservoir Dam?

Chase Reservoir Dam has a dam height of 13 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 Chase Reservoir Dam last inspected?

Chase Reservoir Dam was last inspected on December 14, 2016. 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.