Hanks Corner Dam

Tongue River-TR· Cavalier, North Dakota· Built 1955· Earth· 58 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Hanks Corner Dam is classified as significant hazard in North Dakota. It was completed in 1955 and is 71 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 58 ft (taller than 97% in ND)
Dam Length850 ft
Dam TypeEarth
Max Storage282 acre-ft
Normal Storage12 acre-ft
Surface Area2 acres
Drainage Area1 sq mi
Year Completed1955 (71 years old)
NID IDND00050

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: September 25, 2019
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

Pembina County WRB

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hanks Corner Dam?

Hanks Corner 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 Hanks Corner Dam?

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

When was Hanks Corner Dam built?

Hanks Corner Dam was completed in 1955, making it 71 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 Hanks Corner Dam?

Hanks Corner Dam 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 Hanks Corner Dam?

Hanks Corner Dam has a dam height of 58 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 Hanks Corner Dam last inspected?

Hanks Corner Dam was last inspected on September 25, 2019. 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.