Vassar Lake Dam

TR-DRY CREEK· Yuba, California· Built 1962· Rockfill· 25 ft tall
Significant Hazard Flood Risk Reduction Recreation Federal Government

Key Takeaway

Vassar Lake Dam is classified as significant hazard in California. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 25 ft (taller than 23.6% in CA)
Dam Length600 ft
Dam TypeRockfill
Max Storage70 acre-ft
Normal Storage40 acre-ft
Year Completed1962 (64 years old)
NID IDCA10418

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 15, 2022
State Regulated: No

Ownership

USAF ACC

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Vassar Lake Dam?

Vassar Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Vassar Lake Dam?

Vassar Lake Dam is owned by USAF ACC (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Vassar Lake Dam built?

Vassar Lake Dam was completed in 1962, making it 64 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 Vassar Lake Dam?

Vassar Lake Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Vassar Lake Dam?

Vassar Lake Dam has a dam height of 25 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 Vassar Lake Dam last inspected?

Vassar Lake Dam was last inspected on September 15, 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.