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Contra Costa Watershed Forum

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Upper Marsh Creek

Upper Marsh Creek
Watershed Size 33006.71 acres
Length of Longest Branch of Creek miles
Total Channel Length in Watershed 107.72 miles
Average Annual Rainfall 18.66 inches
Estimated Mean Daily Flow 10.47 cfs
Estimated 100-Year Flood Flow N/A cfs*
Highest Elevation in Watershed feet
Population (estimated) 1300 people
Estimated Percent Impervious <5%
Recognized Pollutants of Concern N/A
Upper Marsh Creek