Cold Springs Reservoir #1

Cold Spring Creek· Lassen, California· Earth· 17 ft tall
Low Hazard Private

Key Takeaway

Cold Springs Reservoir #1 is classified as low hazard in California.

Physical Details

Dam Height 17 ft (taller than 11.1% in CA)
Dam Length300 ft
Dam TypeEarth
Max Storage2.8K acre-ft
Surface Area640 acres
NID IDCA01488

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: June 22, 2023
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

R.C. Roberts Ranches, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cold Springs Reservoir #1?

Cold Springs Reservoir #1 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 Cold Springs Reservoir #1?

Cold Springs Reservoir #1 is owned by R.C. Roberts Ranches, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Cold Springs Reservoir #1?

Cold Springs Reservoir #1 has a dam height of 17 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 Cold Springs Reservoir #1 last inspected?

Cold Springs Reservoir #1 was last inspected on June 22, 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.