Electra Diversion

North Fork Mokelumne River· Amador, California· Concrete· 45 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Electra Diversion is classified as low hazard in California. Its primary use is hydroelectric.

Physical Details

Dam Height 45 ft (taller than 54% in CA)
Dam Length188 ft
Dam TypeConcrete
Max Storage36 acre-ft
Normal Storage1 acre-ft
Surface Area7 acres
Drainage Area7 sq mi
NID IDCA00408

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: July 7, 2022
State Regulated: Yes
Regulatory Agency: DWR, Safety of Dams

Ownership

Pacific Gas and Electric Company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Electra Diversion?

Electra Diversion 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 Electra Diversion?

Electra Diversion is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Electra Diversion?

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

How tall is Electra Diversion?

Electra Diversion has a dam height of 45 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 Electra Diversion last inspected?

Electra Diversion was last inspected on July 7, 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.