Street Sweeping and Storm Drain Cleaning

Street Sweeping
Street sweeping is an important tool for keeping pollutants out of the storm drain system. It also keeps our neighborhoods clean! Street sweeping removes four major types of pollutants:
  • Natural (dirt, leaves)
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  • Litter (trash, bottles, paper)
  • Sediment (dirt, soil)
  • Contaminants (oils, combustion byproducts, particles from tires and brake pads)

You can help keep our street sweeping program effective and efficient by following our street sweeping tips and reviewing the street sweeping schedule for your neighborhood.

If you live in Bay Point, your street sweeping program is managed by Delta Diablo Sanitation District. For more information call (925) 756-1900 or visit DDSD's website for a route map.

If you live in unincorporated Contra Costa County and would like to report problems with your schedule or missed service, please call theCounty Watershed Program's (CWP) Street Sweeping Manager at (925) 313-2236.

Storm Drain Cleaning


The CWP is also responsible for overseeing other aspects of municipal maintenance, including keeping storm drains, catch basins and drainage inlets free of pollutants such as trash and leaves, which also ensures that they function optimally and prevent localized flooding. Routine cleaning also reduces the amount of pollutants reaching our waterways.

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CountyPublic Works Maintenance road crews maintain the storm drain inlets through a program of annual inspection and cleaning. Road culverts generally are not cleaned as part of this particular program. To report a clogged catch basin or drainage inlet please call Public Works Maintenance at (925) 313-7000.

The CWP also works with other Public Works Divisions to ensure thatroads are constructed and maintained using Best Management Practices (BMPs) for erosion and sediment control and to avoid introduction of pollutants into waterways.

Maps of the County's Municipal Separate Storm Sewer (MS4)/stormdrain system are available to the public for viewing at the Contra Costa County Public Works Department, 255 Glacier Drive, Martinez, CA 94553.