Dunham Brook

Dunham Brook· Piscataquis, Maine· Built 1973· Earth· 18 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Dunham Brook is classified as high hazard in Maine. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 18 ft (taller than 68.3% in ME)
Dam Length1,960 ft
Dam TypeEarth
Max Storage900 acre-ft
Normal Storage510 acre-ft
Surface Area65 acres
Drainage Area3 sq mi
Max Discharge6,962 cfs
Year Completed1973 (53 years old)
NID IDME96075

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: October 3, 2022
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dunham Brook?

Dunham Brook is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Dunham Brook?

Dunham Brook is owned by information not available (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dunham Brook built?

Dunham Brook was completed in 1973, making it 53 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 Dunham Brook?

Dunham Brook serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dunham Brook?

Dunham Brook has a dam height of 18 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 Dunham Brook last inspected?

Dunham Brook was last inspected on October 3, 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.