Social distancing is in effect due to the COVID-19 pandemic. Most copermittee staff are teleworking and available by email. To email the watershed representative for your jurisdiction, please visit our contact us page. For more information and resources on COVID-19 in the San Diego region, please visit

San Diego Bioretention Media Survey White Paper Now Available

This White Paper is a study of regionally available Bioretention Soil Media (BSM) that lead to the County-wide refinement of BSM specifications. The paper is available for download.