Central

Offstream· Alameda, California· Built 1910· Earth· 55 ft tall
High Hazard Water Supply Public Utility

Key Takeaway

Central is classified as high hazard in California. It was completed in 1910 and is 116 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 55 ft (taller than 63.8% in CA)
Dam Length929 ft
Dam TypeEarth
Max Storage485 acre-ft
Surface Area19 acres
Year Completed1910 (116 years old)
NID IDCA00162

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 17, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

East Bay Municipal Utility District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Central?

Central 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 Central?

Central is owned by East Bay Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Central built?

Central was completed in 1910, making it 116 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 Central?

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

How tall is Central?

Central has a dam height of 55 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 Central last inspected?

Central was last inspected on March 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.