Upper Settling Basin

Un-named· Santa Clara, California· Earth· 58 ft tall
Low Hazard Water Supply Tailings Private

Key Takeaway

Upper Settling Basin is classified as low hazard in California. Its primary use is water supply.

Physical Details

Dam Height 58 ft (taller than 66.2% in CA)
Dam Length120 ft
Dam TypeEarth
Max Storage40 acre-ft
NID IDCA10372

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 9, 2023
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Stevens Creek Quarry, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Settling Basin?

Upper Settling Basin 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 Settling Basin?

Upper Settling Basin is owned by Stevens Creek Quarry, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Upper Settling Basin?

Upper Settling Basin serves the following purposes: Water Supply, Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Upper Settling Basin?

Upper Settling Basin has a dam height of 58 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 Settling Basin last inspected?

Upper Settling Basin was last inspected on May 9, 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.