Mott City Dam

Cannonball River· Hettinger, North Dakota· Built 1910· Other· 18 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Mott City Dam is classified as low hazard in North Dakota. It was completed in 1910 and is 116 years old. Its primary use is recreation.

Physical Details

Dam Height 18 ft (taller than 60.6% in ND)
Dam Length124 ft
Dam TypeOther
Max Storage348 acre-ft
Normal Storage348 acre-ft
Surface Area87 acres
Drainage Area720 sq mi
Year Completed1910 (116 years old)
Year Modified1913
NID IDND00527

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: June 13, 2005
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

City of Mott

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mott City Dam?

Mott City 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 Mott City Dam?

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

When was Mott City Dam built?

Mott City Dam was completed in 1910, making it 116 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 Mott City Dam?

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

How tall is Mott City Dam?

Mott City Dam 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 Mott City Dam last inspected?

Mott City Dam was last inspected on June 13, 2005. 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.