Whitman Dam

Middle Branch Forest River· Nelson, North Dakota· Built 1965· Earth· 49 ft tall
Significant Hazard Flood Risk Reduction Recreation Local Government

Key Takeaway

Whitman Dam is classified as significant hazard in North Dakota. It was completed in 1965 and is 61 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 49 ft (taller than 95.3% in ND)
Dam Length1,200 ft
Dam TypeEarth
Max Storage9.4K acre-ft
Normal Storage1.4K acre-ft
Surface Area143 acres
Drainage Area85 sq mi
Year Completed1965 (61 years old)
NID IDND00207

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 9, 2017
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

Walsh County WRB

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Whitman Dam?

Whitman 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 Whitman Dam?

Whitman Dam is owned by Walsh County WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Whitman Dam built?

Whitman Dam was completed in 1965, making it 61 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 Whitman Dam?

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

How tall is Whitman Dam?

Whitman Dam has a dam height of 49 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 Whitman Dam last inspected?

Whitman Dam was last inspected on August 9, 2017. 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.