Porsborg Dam; Kenneth

Heart River-TR· Morton, North Dakota· Built 1965· Earth· 30 ft tall
Low Hazard Other Local Government

Key Takeaway

Porsborg Dam; Kenneth is classified as low hazard in North Dakota. It was completed in 1965 and is 61 years old. Its primary use is other.

Physical Details

Dam Height 30 ft (taller than 86.1% in ND)
Dam Length240 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage28 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Year Completed1965 (61 years old)
Year Modified1995
NID IDND00757

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
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

City of Mandan

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Porsborg Dam; Kenneth?

Porsborg Dam; Kenneth 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 Porsborg Dam; Kenneth?

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

When was Porsborg Dam; Kenneth built?

Porsborg Dam; Kenneth 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 Porsborg Dam; Kenneth?

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

How tall is Porsborg Dam; Kenneth?

Porsborg Dam; Kenneth has a dam height of 30 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.

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.