SCWA begins stream maintenance
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The Sonoma County Water Agency (SCWA) on June 15 began stream maintenance activities in or near more than 50 streams throughout Sonoma County to restore conveyance capacity and maintain proper function of SCWA flood control channels and retain or enhance appropriate habitat.  

A complete list of streams included in this year’s Stream Maintenance Program is available online at

“Our beautiful streams play a multi-functional role that includes habitat for wildlife, recreation for our residents, and flood control for our communities during the wet winter months,” said SCWA Director Shirlee Zane. “Now that summer has arrived, our work crews will be busy removing invasive vegetation that clog our streams and prevent optimum flood control from taking place.”

The SCWA maintains approximately 75 miles of flood control channels. 

Each spring the SCWA performs an assessment using a database and geographic information system to monitor stream conditions, prioritize work and document maintenance activities.

The SCWA has worked in conjunction with the California Department of Fish and Wildlife, U.S. Army Corps of Engineers and the North Coast and San Francisco Regional Water Quality Control Boards to obtain water quality certifications and permits for the program.  

The permits allow the SCWA to continue implementing its program, which ensures all maintenance activities are done in a manner that is protective and beneficial to the environment, and that maintenance activities are only conducted when necessary.  

In accordance with permitting requirements, SCWA biologists and arborists survey the maintenance sites for nesting birds and oversee vegetation removal activities.

Portions of the maintenance activities will be conducted by young adults employed through this summer’s Sonoma County Youth Ecology Corps (SCYEC).  The youth will help remove invasive plants and clear trails.  

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