Turner

Moosa Canyon· San Diego, California· Built 1971· Earth· 111 ft tall
High Hazard Water Supply Irrigation Public Utility

Key Takeaway

Turner is classified as high hazard in California. It was completed in 1971 and is 55 years old. Its primary use is water supply. 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 111 ft (taller than 84.2% in CA)
Dam Length700 ft
Dam TypeEarth
Max Storage2.0K acre-ft
Surface Area46 acres
Drainage Area10 sq mi
Year Completed1971 (55 years old)
NID IDCA00905

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: April 28, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Valley Center Municipal Water District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Turner?

Turner 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 Turner?

Turner is owned by Valley Center Municipal Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Turner built?

Turner was completed in 1971, making it 55 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 Turner?

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

How tall is Turner?

Turner has a dam height of 111 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 Turner last inspected?

Turner was last inspected on April 28, 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.