Jurupa Basin

San Sevaine Creek· San Bernardino, California· Built 2001· Earth· 29 ft tall
High Hazard Flood Risk Reduction Other Irrigation Water Supply Local Government

Key Takeaway

Jurupa Basin is classified as high hazard in California. It was completed in 2001 and is 25 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 29 ft (taller than 29% in CA)
Dam Length7,000 ft
Dam TypeEarth
Max Storage1.7K acre-ft
Surface Area56 acres
Year Completed2001 (25 years old)
NID IDCA01405

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: February 16, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

County of San Bernardino Department of Public Works

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jurupa Basin?

Jurupa 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 Jurupa Basin?

Jurupa Basin is owned by County of San Bernardino Department of Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jurupa Basin built?

Jurupa Basin was completed in 2001, making it 25 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 Jurupa Basin?

Jurupa Basin serves the following purposes: Flood Risk Reduction, 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 Jurupa Basin?

Jurupa Basin has a dam height of 29 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 Jurupa Basin last inspected?

Jurupa Basin was last inspected on February 16, 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.