Day Creek Debris Basin

Day Creek· San Bernardino, California· Built 1988· Earth· 90 ft tall
High Hazard Debris Control Local Government

Key Takeaway

Day Creek Debris Basin is classified as high hazard in California. It was completed in 1988 and is 38 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 90 ft (taller than 79.3% in CA)
Dam Length975 ft
Dam TypeEarth
Max Storage140 acre-ft
Surface Area13 acres
Drainage Area5 sq mi
Year Completed1988 (38 years old)
NID IDCA01232

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 17, 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 Day Creek Debris Basin?

Day Creek 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 Day Creek Debris Basin?

Day Creek Debris 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 Day Creek Debris Basin built?

Day Creek Debris Basin was completed in 1988, making it 38 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 Day Creek Debris Basin?

Day Creek Debris Basin serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Day Creek Debris Basin?

Day Creek Debris Basin has a dam height of 90 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 Day Creek Debris Basin last inspected?

Day Creek Debris Basin was last inspected on February 17, 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.