Garside Reservoir Dam

SOUTH RIVER· Plymouth, Massachusetts· Earth· 5 ft tall
Significant Hazard Irrigation Local Government

Key Takeaway

Garside Reservoir Dam is classified as significant hazard in Massachusetts. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 5 ft (taller than 0.5% in MA)
Dam Length490 ft
Dam TypeEarth
Max Storage110 acre-ft
Normal Storage34 acre-ft
Surface Area38 acres
Drainage Area0 sq mi
NID IDMA00479

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 21, 2014
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

TOWN OF DUXBURY, DEPARTMENT OF PUBLIC WORKS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Garside Reservoir Dam?

Garside 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 Garside Reservoir Dam?

Garside Reservoir Dam is owned by TOWN OF DUXBURY, DEPARTMENT OF PUBLIC WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Garside Reservoir Dam?

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

How tall is Garside Reservoir Dam?

Garside Reservoir Dam has a dam height of 5 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 Garside Reservoir Dam last inspected?

Garside Reservoir Dam was last inspected on March 21, 2014. 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.