Bass Lake

Tr Lit Shasta R· Siskiyou, California· Built 1949· Earth· 18 ft tall
Low Hazard Water Supply Irrigation State Government

Key Takeaway

Bass Lake is classified as low hazard in California. It was completed in 1949 and is 77 years old. Its primary use is water supply.

Physical Details

Dam Height 18 ft (taller than 12.6% in CA)
Dam Length1,110 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Surface Area108 acres
Drainage Area0 sq mi
Year Completed1949 (77 years old)
NID IDCA00498

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: February 7, 2023
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

California Department of Fish and Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bass Lake?

Bass Lake 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 Bass Lake?

Bass Lake is owned by California Department of Fish and Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bass Lake built?

Bass Lake was completed in 1949, making it 77 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 Bass Lake?

Bass Lake 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 Bass Lake?

Bass Lake has a dam height of 18 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 Bass Lake last inspected?

Bass Lake was last inspected on February 7, 2023. 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.