Bayley Reservoir

Crooks Canyon· Modoc, California· Built 1954· Earth· 20 ft tall
Low Hazard Water Supply Irrigation Private

Key Takeaway

Bayley Reservoir is classified as low hazard in California. It was completed in 1954 and is 72 years old. Its primary use is water supply.

Physical Details

Dam Height 20 ft (taller than 15.3% in CA)
Dam Length710 ft
Dam TypeEarth
Max Storage2.4K acre-ft
Surface Area328 acres
Drainage Area34 sq mi
Year Completed1954 (72 years old)
NID IDCA00920

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: May 25, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Alturas Ranches, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bayley Reservoir?

Bayley Reservoir 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 Bayley Reservoir?

Bayley Reservoir is owned by Alturas Ranches, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bayley Reservoir built?

Bayley Reservoir was completed in 1954, making it 72 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 Bayley Reservoir?

Bayley Reservoir 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 Bayley Reservoir?

Bayley Reservoir has a dam height of 20 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 Bayley Reservoir last inspected?

Bayley Reservoir was last inspected on May 25, 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.