Manns Dam

Heart River· Stark, North Dakota· Built 1930· Other· 12 ft tall
Low Hazard Irrigation Local Government

Key Takeaway

Manns Dam is classified as low hazard in North Dakota. It was completed in 1930 and is 96 years old. Its primary use is irrigation.

Physical Details

Dam Height 12 ft (taller than 32.4% in ND)
Dam Length100 ft
Dam TypeOther
Max Storage53 acre-ft
Normal Storage53 acre-ft
Surface Area6 acres
Drainage Area430 sq mi
Year Completed1930 (96 years old)
NID IDND00420

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: No
Last Inspection: May 6, 2013
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

City of Dickinson

Local Government

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East Broadway Dam

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Meyer Dam; Ivan

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Frenzel Dam; Joe

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Snyder Dam; Dan 4

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Green River Dam

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Frequently Asked Questions

What is the hazard classification of Manns Dam?

Manns Dam 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 Manns Dam?

Manns Dam is owned by City of Dickinson (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Manns Dam built?

Manns Dam was completed in 1930, making it 96 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 Manns Dam?

Manns Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Manns Dam?

Manns Dam has a dam height of 12 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 Manns Dam last inspected?

Manns Dam was last inspected on May 6, 2013. 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.