Metz Road Debris Basin

Tr San Jacinto Riv· Riverside, California· Built 1981· Earth· 12 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Metz Road Debris Basin is classified as high hazard in California. It was completed in 1981 and is 45 years old. Its primary use is flood risk reduction. 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 12 ft (taller than 4% in CA)
Dam Length4,505 ft
Dam TypeEarth
Max Storage88 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Year Completed1981 (45 years old)
NID IDCA01197

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: March 10, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Riverside County Flood Control and Water Conservation District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Metz Road Debris Basin?

Metz Road Debris Basin 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 Metz Road Debris Basin?

Metz Road Debris Basin is owned by Riverside County Flood Control and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Metz Road Debris Basin built?

Metz Road Debris Basin was completed in 1981, making it 45 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 Metz Road Debris Basin?

Metz Road Debris Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Metz Road Debris Basin?

Metz Road Debris Basin has a dam height of 12 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 Metz Road Debris Basin last inspected?

Metz Road Debris Basin was last inspected on March 10, 2022. 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.