Tisdale Pond Dam

ASSONET RIVER· Bristol, Massachusetts· Built 1974· Rockfill· 9 ft tall
Significant Hazard Fire Protection Stock Or Small Fish Pond Recreation Private

Key Takeaway

Tisdale Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1974 and is 52 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 9 ft (taller than 12.4% in MA)
Dam Length133 ft
Dam TypeRockfill
Max Storage16 acre-ft
Normal Storage9 acre-ft
Surface Area3 acres
Drainage Area22 sq mi
Year Completed1974 (52 years old)
NID IDMA03049

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: July 6, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

RIVERFRONT BUSINESS PARK LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tisdale Pond Dam?

Tisdale 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 Tisdale Pond Dam?

Tisdale Pond Dam is owned by RIVERFRONT BUSINESS PARK LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tisdale Pond Dam built?

Tisdale Pond Dam was completed in 1974, making it 52 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 Tisdale Pond Dam?

Tisdale Pond Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tisdale Pond Dam?

Tisdale Pond Dam has a dam height of 9 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 Tisdale Pond Dam last inspected?

Tisdale Pond Dam was last inspected on July 6, 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.