Stone Dam - Dike 5

West Branch Penobscot River· Penobscot, Maine· Built 1900· Earth· 9 ft tall

Key Takeaway

Stone Dam - Dike 5 is classified as low hazard in Maine. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 9 ft (taller than 13% in ME)
Dam Length45 ft
Dam TypeEarth
Max Storage8.1K acre-ft
Normal Storage8.1K acre-ft
Surface Area1,344 acres
Drainage Area1,890 sq mi
Max Discharge0 cfs
Year Completed1900 (126 years old)
NID IDME83042

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: August 9, 2022
State Regulated: No

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stone Dam - Dike 5?

Stone Dam - Dike 5 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Stone Dam - Dike 5?

Stone Dam - Dike 5 is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Stone Dam - Dike 5 built?

Stone Dam - Dike 5 was completed in 1900, making it 126 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 Stone Dam - Dike 5?

Stone Dam - Dike 5 serves the following purposes: Hydroelectric, Navigation, Fish And Wildlife Pond, Recreation, Water Supply, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Stone Dam - Dike 5?

Stone Dam - Dike 5 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 Stone Dam - Dike 5 last inspected?

Stone Dam - Dike 5 was last inspected on August 9, 2022. 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.