Upper Plaskett

PLASKETT CREEK· Glenn, California· Built 1955· Earth· 28 ft tall
Low Hazard Recreation Federal Government

Key Takeaway

Upper Plaskett is classified as low hazard in California. It was completed in 1955 and is 71 years old. Its primary use is recreation.

Physical Details

Dam Height 28 ft (taller than 27.2% in CA)
Dam Length210 ft
Dam TypeEarth
Normal Storage21 acre-ft
Drainage Area0 sq mi
Year Completed1955 (71 years old)
NID IDCA10360

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 9, 2014
State Regulated: No

Ownership

USDA FS

Federal Government

Frequently Asked Questions

What is the hazard classification of Upper Plaskett?

Upper Plaskett 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 Upper Plaskett?

Upper Plaskett is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Plaskett built?

Upper Plaskett was completed in 1955, making it 71 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 Upper Plaskett?

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

How tall is Upper Plaskett?

Upper Plaskett has a dam height of 28 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 Upper Plaskett last inspected?

Upper Plaskett was last inspected on June 9, 2014. 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.