Skip to content. | Skip to navigation

Contra Costa Watershed Forum

Personal tools
You are here: Home Resources Watersheds East County Delta Drainages
Document Actions

East County Delta Drainages

East County Delta Drainages
Watershed Size 56222.7 acres
Length of Longest Branch of Creek miles
Total Channel Length in Watershed 31.23 miles
Average Annual Rainfall 10.81 inches
Estimated Mean Daily Flow 23.44 cfs
Estimated 100-Year Flood Flow N/A cfs*
Highest Elevation in Watershed 100 feet
Population (estimated) 33100 people
Estimated Percent Impervious 10.00%
Recognized Pollutants of Concern N/A
East County Delta Drainages