Sterling Pond Dam

MOOSUP RIVER· Windham, Connecticut· Built 1870· Earth· 19 ft tall
High Hazard Recreation Local Government

Key Takeaway

Sterling Pond Dam is classified as high hazard in Connecticut. It was completed in 1870 and is 156 years old. Its primary use is recreation. 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 19 ft (taller than 71.2% in CT)
Dam Length1,010 ft
Dam TypeEarth
Max Storage125 acre-ft
Normal Storage50 acre-ft
Surface Area16 acres
Drainage Area43 sq mi
Max Discharge2,940 cfs
Year Completed1870 (156 years old)
NID IDCT00610

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 12, 2020
State Regulated: Yes
Regulatory Agency: DEEP

Ownership

Town of Sterling

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sterling Pond Dam?

Sterling Pond 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 Sterling Pond Dam?

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

When was Sterling Pond Dam built?

Sterling 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 Sterling Pond Dam?

Sterling 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 Sterling Pond Dam?

Sterling Pond Dam has a dam height of 19 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 Sterling Pond Dam last inspected?

Sterling Pond Dam was last inspected on November 12, 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.