Muddy Guard No. 2 North Dam

EROSION DRAW & GUARD DRAW· Johnson, Wyoming· Built 1976· Earth· 102 ft tall
Significant Hazard Irrigation Fish And Wildlife Pond Private

Key Takeaway

Muddy Guard No. 2 North Dam is classified as significant hazard in Wyoming. It was completed in 1976 and is 50 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 102 ft (taller than 98.5% in WY)
Dam Length1,260 ft
Dam TypeEarth
Max Storage1.9K acre-ft
Normal Storage1.9K acre-ft
Surface Area51 acres
Drainage Area0 sq mi
Max Discharge100 cfs
Year Completed1976 (50 years old)
NID IDWY01333

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 24, 2019
State Regulated: Yes
Regulatory Agency: SEO

Ownership

NORTH FORK IRRIGATION DISTRICT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Muddy Guard No. 2 North Dam?

Muddy Guard No. 2 North Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Muddy Guard No. 2 North Dam?

Muddy Guard No. 2 North Dam is owned by NORTH FORK IRRIGATION DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Muddy Guard No. 2 North Dam built?

Muddy Guard No. 2 North Dam was completed in 1976, making it 50 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 Muddy Guard No. 2 North Dam?

Muddy Guard No. 2 North Dam serves the following purposes: Irrigation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Muddy Guard No. 2 North Dam?

Muddy Guard No. 2 North Dam has a dam height of 102 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 Muddy Guard No. 2 North Dam last inspected?

Muddy Guard No. 2 North Dam was last inspected on April 24, 2019. 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.