Leonards Pond Dam

SIPPICAN RIVER· Plymouth, Massachusetts· Earth· 15 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Leonards Pond 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 15 ft (taller than 48.8% in MA)
Dam Length275 ft
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage135 acre-ft
Surface Area43 acres
Drainage Area9 sq mi
NID IDMA00369

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: September 28, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

SIPPICAN MILL LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Leonards Pond Dam?

Leonards 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 Leonards Pond Dam?

Leonards Pond Dam is owned by SIPPICAN MILL LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Leonards Pond Dam?

Leonards Pond 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 Leonards Pond Dam?

Leonards Pond Dam has a dam height of 15 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 Leonards Pond Dam last inspected?

Leonards Pond Dam was last inspected on September 28, 2017. 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.