Manns Pond Dam

MASSAPOAG BROOK· Norfolk, Massachusetts· Earth· 14 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Manns 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 14 ft (taller than 45.2% in MA)
Dam Length390 ft
Dam TypeEarth
Max Storage54 acre-ft
Normal Storage28 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
NID IDMA01277

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: Yes
Last Inspection: August 19, 2015
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

TOWN OF SHARON, DEPARTMENT OF PUBLIC WORKS

Local Government

Nearby Dams

Hammershop Pond Dam

Norfolk, MA

Significant Hazard 13 ft

Massapoag Lake Dam

Norfolk, MA

Significant Hazard 7 ft

Trowel Shop Pond Dam

Norfolk, MA

Low Hazard 20 ft

Shepard Pond Dam

Norfolk, MA

Significant Hazard 16 ft

Shepard Street Dam

Norfolk, MA

Significant Hazard 11 ft

Revere Street Dam

Norfolk, MA

Significant Hazard 12 ft

Forge Pond Dam

Norfolk, MA

Significant Hazard 11 ft

Spillway Dam At Neponset St.

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Significant Hazard 12 ft

Frequently Asked Questions

What is the hazard classification of Manns Pond Dam?

Manns 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 Manns Pond Dam?

Manns Pond Dam is owned by TOWN OF SHARON, 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 Manns Pond Dam?

Manns 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 Manns Pond Dam?

Manns Pond Dam has a dam height of 14 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 Manns Pond Dam last inspected?

Manns Pond Dam was last inspected on August 19, 2015. 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.