Agua Chinon

Agua Chinon Wash· Orange, California· Built 1998· Earth· 41 ft tall
High Hazard Debris Control Flood Risk Reduction Local Government

Key Takeaway

Agua Chinon is classified as high hazard in California. It was completed in 1998 and is 28 years old. Its primary use is debris control. 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 41 ft (taller than 49.2% in CA)
Dam Length480 ft
Dam TypeEarth
Max Storage256 acre-ft
Surface Area16 acres
Drainage Area2 sq mi
Year Completed1998 (28 years old)
NID IDCA01361

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 23, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

County of Orange

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Agua Chinon?

Agua Chinon 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 Agua Chinon?

Agua Chinon is owned by County of Orange (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Agua Chinon built?

Agua Chinon was completed in 1998, making it 28 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 Agua Chinon?

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

How tall is Agua Chinon?

Agua Chinon has a dam height of 41 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 Agua Chinon last inspected?

Agua Chinon was last inspected on February 23, 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.