Headworks Reservoir East

Offstream· Los Angeles, California· Built 2016· Other· 32 ft tall
Low Hazard Water Supply Tailings Local Government

Key Takeaway

Headworks Reservoir East is classified as low hazard in California. It was completed in 2016 and is 10 years old. Its primary use is water supply.

Physical Details

Dam Height 32 ft (taller than 34.2% in CA)
Dam Length2,095 ft
Dam TypeOther
Max Storage165 acre-ft
Surface Area6 acres
Year Completed2016 (10 years old)
NID IDCA01510

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 5, 2021
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

City of Los Angeles Department of Water And Power

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Headworks Reservoir East?

Headworks Reservoir East is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Headworks Reservoir East?

Headworks Reservoir East is owned by City of Los Angeles Department of Water And Power (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Headworks Reservoir East built?

Headworks Reservoir East was completed in 2016, making it 10 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 Headworks Reservoir East?

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

How tall is Headworks Reservoir East?

Headworks Reservoir East has a dam height of 32 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 Headworks Reservoir East last inspected?

Headworks Reservoir East was last inspected on October 5, 2021. 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.