Bristol Blake State Reservoir Dam

STONY BROOK· Norfolk, Massachusetts· Built 1961· Concrete· 15 ft tall
Significant Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Bristol Blake State Reservoir Dam is classified as significant hazard in Massachusetts. It was completed in 1961 and is 65 years old. Its primary use is fish and wildlife pond. 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 Length250 ft
Dam TypeConcrete
Max Storage154 acre-ft
Normal Storage22 acre-ft
Surface Area76 acres
Drainage Area3 sq mi
Year Completed1961 (65 years old)
NID IDMA00749

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: January 13, 2018
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DCR - DEPT. OF CONSERVATION & RECREATION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bristol Blake State Reservoir Dam?

Bristol Blake State 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 Bristol Blake State Reservoir Dam?

Bristol Blake State Reservoir Dam is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bristol Blake State Reservoir Dam built?

Bristol Blake State Reservoir Dam was completed in 1961, making it 65 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 Bristol Blake State Reservoir Dam?

Bristol Blake State Reservoir Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bristol Blake State Reservoir Dam?

Bristol Blake State Reservoir 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 Bristol Blake State Reservoir Dam last inspected?

Bristol Blake State Reservoir Dam was last inspected on January 13, 2018. 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.