Robert L. Matheson

Napa County, California (near St. Helena)

River/Stream: Elder Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
32 ft
Dam Length
390 ft
Reservoir Storage
90 acre-ft
Year Completed
1954
Primary Purpose
Water Supply
Owner Type
Private
Max Discharge

Condition Assessment

SatisfactoryLast inspected: 2024-03-27

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

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

Location

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Quick Stats

NID ID
CA00982
State
California (CA)
Coordinates
38.51240, -122.27790
Age
72 years

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.