Greenwood Pond Dam

MAHONEY BROOK· Worcester, Massachusetts· Gravity· 8 ft tall
Significant Hazard Recreation Private

Key Takeaway

Greenwood Pond Dam is classified as significant hazard in Massachusetts. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 8 ft (taller than 6.7% in MA)
Dam Length500 ft
Dam TypeGravity
Max Storage135 acre-ft
Normal Storage87 acre-ft
Surface Area29 acres
Drainage Area0 sq mi
NID IDMA00640

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: March 9, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

GREGORY A. LINNUS

Private

Nearby Dams

Wayside Pond Dam

Worcester, MA

Significant Hazard 8 ft

Wrights Reservoir Dam

Worcester, MA

High Hazard 18 ft

Minott Pond Dam

Worcester, MA

Significant Hazard 7 ft

Ellis Pond Dam

Worcester, MA

Significant Hazard 7 ft

Mahoney Pond Dam

Worcester, MA

Significant Hazard 10 ft

Upper Reservoir Dam

Worcester, MA

Significant Hazard 12 ft

Burnt Mill Pond Dam

Worcester, MA

Low Hazard 9 ft

Dunn Pond Dam

Worcester, MA

Significant Hazard 13 ft

Frequently Asked Questions

What is the hazard classification of Greenwood Pond Dam?

Greenwood 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 Greenwood Pond Dam?

Greenwood Pond Dam is owned by GREGORY A. LINNUS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Greenwood Pond Dam?

Greenwood 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 Greenwood Pond Dam?

Greenwood Pond Dam has a dam height of 8 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 Greenwood Pond Dam last inspected?

Greenwood Pond Dam was last inspected on March 9, 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.