Bni Coal Pond P-21-5

Square Butte Creek· Oliver, North Dakota· Built 2020· Earth· 25 ft tall
Low Hazard Other Private

Key Takeaway

Bni Coal Pond P-21-5 is classified as low hazard in North Dakota. It was completed in 2020 and is 6 years old. Its primary use is other.

Physical Details

Dam Height 25 ft (taller than 79.3% in ND)
Dam Length0 ft
Dam TypeEarth
Max Storage233 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area2 sq mi
Year Completed2020 (6 years old)
NID IDND01183

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

BNI Coal

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bni Coal Pond P-21-5?

Bni Coal Pond P-21-5 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 Bni Coal Pond P-21-5?

Bni Coal Pond P-21-5 is owned by BNI Coal (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bni Coal Pond P-21-5 built?

Bni Coal Pond P-21-5 was completed in 2020, making it 6 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 Bni Coal Pond P-21-5?

Bni Coal Pond P-21-5 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 Bni Coal Pond P-21-5?

Bni Coal Pond P-21-5 has a dam height of 25 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.