Headworks Reservoir East

Headworks Reservoir East is an other dam located in Los Angeles County, California, built in 2016. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Headworks Reservoir East

The primary purpose of Headworks Reservoir East is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Los Angeles Department Of Water And Power (local government). It impounds the Offstream.

The dam stands 32 feet tall and stretches 2,095 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 165 acre-feet. Completed in 2016, the structure is relatively new.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/19/2025.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateCalifornia
CountyLos Angeles
River/StreamOffstream
Coordinates34.15320, -118.31340

Physical Characteristics

Dam TypeOther
NID Height32 ft
Dam Height32 ft
Dam Length2,095 ft
Year Completed2016 (10 years old)

Storage & Hydraulics

NID Storage165 acre-ft
Max Storage165 acre-ft
Surface Area6 acres

Ownership & Safety

PurposeWater Supply
OwnerCity of Los Angeles Department of Water and Power
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection08/19/2025
Emergency Action PlanNo

Identifiers

NID IDCA01510
Federal IDCA01510
More InfoState Dam Safety Program

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