Birch Hill Dam - Winchenden Dike

MILLERS RIVER· Worcester, Massachusetts· Built 1942· Rockfill· 49 ft tall
High Hazard Flood Risk Reduction Federal Government

Key Takeaway

Birch Hill Dam - Winchenden Dike is classified as high hazard in Massachusetts. It was completed in 1942 and is 84 years old. Its primary use is flood risk reduction. 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 49 ft (taller than 95.4% in MA)
Dam Length1,400 ft
Dam TypeRockfill
Max Storage76.0K acre-ft
Normal Storage0 acre-ft
Surface Area1 acres
Drainage Area175 sq mi
Max Discharge56,600 cfs
Year Completed1942 (84 years old)
NID IDMA00963

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: October 19, 2021
State Regulated: No

Ownership

USACE - New England District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Birch Hill Dam - Winchenden Dike?

Birch Hill Dam - Winchenden Dike 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 Birch Hill Dam - Winchenden Dike?

Birch Hill Dam - Winchenden Dike is owned by USACE - New England District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Birch Hill Dam - Winchenden Dike built?

Birch Hill Dam - Winchenden Dike was completed in 1942, making it 84 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 Birch Hill Dam - Winchenden Dike?

Birch Hill Dam - Winchenden Dike serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Birch Hill Dam - Winchenden Dike?

Birch Hill Dam - Winchenden Dike has a dam height of 49 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 Birch Hill Dam - Winchenden Dike last inspected?

Birch Hill Dam - Winchenden Dike was last inspected on October 19, 2021. 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.