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Contra Costa Watershed Forum

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Rheem Creek

Watershed Size 1789.62 acres
Length of Longest Branch of Creek 3.36 miles
Total Channel Length in Watershed 3.36 miles
Average Annual Rainfall 21.58 inches
Estimated Mean Daily Flow 2.34 cfs
Estimated 100-Year Flood Flow 1060 cfs*
Highest Elevation in Watershed 360 feet
Population (estimated) 13900 people
Estimated Percent Impervious 50.00%
Recognized Pollutants of Concern N/A