Thayer Pond Dam

MILL BROOK· Worcester, Massachusetts· Built 1930· Earth· 3 ft tall
Low Hazard Other State Government

Key Takeaway

Thayer Pond Dam is classified as low hazard in Massachusetts. It was completed in 1930 and is 96 years old. Its primary use is other.

Physical Details

Dam Height 3 ft
Dam Length300 ft
Dam TypeEarth
Max Storage109 acre-ft
Normal Storage78 acre-ft
Surface Area0 acres
Drainage Area3 sq mi
Year Completed1930 (96 years old)
NID IDMA01249

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: December 11, 2009
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DFG - DEPT. OF FISH AND GAME

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thayer Pond Dam?

Thayer Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Thayer Pond Dam?

Thayer Pond Dam is owned by DFG - DEPT. OF FISH AND GAME (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thayer Pond Dam built?

Thayer Pond Dam was completed in 1930, making it 96 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 Thayer Pond Dam?

Thayer Pond Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Thayer Pond Dam?

Thayer Pond Dam has a dam height of 3 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 Thayer Pond Dam last inspected?

Thayer Pond Dam was last inspected on December 11, 2009. 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.