Hendrickson Dam; Alan 2

Knife River-TR· Dunn, North Dakota· Built 1998· Earth· 10 ft tall

Key Takeaway

Hendrickson Dam; Alan 2 is classified as low hazard in North Dakota. It was completed in 1998 and is 28 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 20% in ND)
Dam Length365 ft
Dam TypeEarth
Max Storage81 acre-ft
Normal Storage20 acre-ft
Surface Area13 acres
Drainage Area4 sq mi
Year Completed1998 (28 years old)
NID IDND00833

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

Alan Hendrickson

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hendrickson Dam; Alan 2?

Hendrickson Dam; Alan 2 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 Hendrickson Dam; Alan 2?

Hendrickson Dam; Alan 2 is owned by Alan Hendrickson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hendrickson Dam; Alan 2 built?

Hendrickson Dam; Alan 2 was completed in 1998, making it 28 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 Hendrickson Dam; Alan 2?

Hendrickson Dam; Alan 2 serves the following purposes: Fish And Wildlife Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hendrickson Dam; Alan 2?

Hendrickson Dam; Alan 2 has a dam height of 10 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.