Patterson

Alameda County, California

River/Stream: Offstream

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Earth
Height
100 ft
Dam Length
1,306 ft
Reservoir Storage
46 acre-ft
Year Completed
1962
Primary Purpose
Water Supply
Owner Type
Local Government
Max Discharge
—

Condition Assessment

FairLast inspected: 2024-02-08

Hazard Classification: Significant — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Fair — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
CA00895
State
California (CA)
Coordinates
37.54170, -122.08470
Age
64 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.