Misselbeck

Nfk Cottonwood Cr· Shasta, California· Built 1920· Earth· 96 ft tall
High Hazard Other Irrigation Water Supply Public Utility

Key Takeaway

Misselbeck is classified as high hazard in California. It was completed in 1920 and is 106 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 96 ft (taller than 81.2% in CA)
Dam Length470 ft
Dam TypeEarth
Max Storage3.6K acre-ft
Surface Area113 acres
Year Completed1920 (106 years old)
NID IDCA01027

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: August 14, 2023
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Igo-Ono Community Services District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Misselbeck?

Misselbeck is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Misselbeck?

Misselbeck is owned by Igo-Ono Community Services District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Misselbeck built?

Misselbeck was completed in 1920, making it 106 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 Misselbeck?

Misselbeck serves the following purposes: Other, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Misselbeck?

Misselbeck has a dam height of 96 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 Misselbeck last inspected?

Misselbeck was last inspected on August 14, 2023. 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.