Johnson Dam; Howard

Antelope Creek-TR· Grant, North Dakota· Built 2000· Earth· 10 ft tall

Key Takeaway

Johnson Dam; Howard is classified as low hazard in North Dakota. It was completed in 2000 and is 26 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 20% in ND)
Dam Length378 ft
Dam TypeEarth
Max Storage76 acre-ft
Normal Storage19 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Year Completed2000 (26 years old)
NID IDND00890

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

Tim & Andrea Muggli

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Johnson Dam; Howard?

Johnson Dam; Howard 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 Johnson Dam; Howard?

Johnson Dam; Howard is owned by Tim & Andrea Muggli (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Johnson Dam; Howard built?

Johnson Dam; Howard was completed in 2000, making it 26 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 Johnson Dam; Howard?

Johnson Dam; Howard serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Johnson Dam; Howard?

Johnson Dam; Howard 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.