Reducing Sediment and Pathogens in North Bay Watersheds

Sediment and pathogens pollute some key Bay Area watersheds, including lands draining to the Napa River, Sonoma Creek, and Richardson Bay. The SF Bay Regional Water Quality Control Board has adopted action plans to address these issues (“Total Maximum Daily Loads,” or TMDLs). SFEP is working with a number of partners, coordinated by the North Bay Watershed Association, reducing sediment and pathogens in stormwater and urban runoff. Partners have implemented restoration projects in and around the stream channels of concern, conducted workshops for officials and land managers, proposed model policies, programs, and ordinances to reduce sediment and pathogen pollution and continue to monitor how these projects impact the surrounding watersheds.

The following projects are underway or completed in North Bay watersheds:

Marin County

Marin County (project completed) – Richardson Bay tributary at Boyle Park

  • Reduce pathogen delivery through a riparian restoration project at a Richardson Bay tributary – Warner Creek at Boyle Park.
  • Inform the public about sources and impacts of pathogens
  • Improve waste management and monitoring at houseboat marinas in Richardson’s Bay, and address other bayside sources of pathogens in stormwater

VIDEO above: Boyle Park Creek Upper Reach during rain event on 2/9/14

VIDEO link: STRAW (Students and Teachers Restoring A Watershed) working and learning at Boyle Park in Mill Valley, CA

Napa County

Napa Resource Conservation District (project underway) – Napa River watershed

  • Reduce sediment in the Napa River by repairing rural roads at critical erosion sites in the Heath Canyon watershed
  • Reduce pathogens in the Napa River working with the Napa County Livestock Council to implement stormwater management practices on private property
  • Inform the public about the sources and impacts of pathogens and sediment
  • Improve water quality monitoring in the Napa River basin
In Sonoma County

Sonoma Resource Conservation District (project underway) – Sonoma Creek tributary

  • Inform the public about sediment pollution
  • Provide resources such as technical assistance, referrals, and educational materials to help property owners implement land management practices to reduce erosion and runoff
  • Reduce sediment delivery through riparian restoration and rural residential stormwater detention – Turkey Road vineyard site
  • Monitor project implementation and watershed health
  • Conduct workshops for elected officials and land managers on innovative techniques to reduce sediment and implement the North Bay TMDLs
  • Develop a template Conservation Ranch Plan in line with the criteria set in the Sonoma Creek sediment TMDL

Sonoma Ecology Center (project completed) – Sonoma Creek watershed

  • Increase awareness of sediment pollution
  • Provide resources such as technical assistance, referrals, and
    educational materials to help property owners implement land management practices to reduce erosion
    and runoff
  • Reduce sediment delivery through riparian restoration and rural residential stormwater detention – several sites throughout watershed (see photos directly below)
  • Monitor project implementation and watershed health.

Sediment and pathogens pollute some key Bay Area watersheds, including lands draining to the Napa River, Sonoma Creek, and Richardson Bay. The SF Bay Regional Water Quality Control Board has adopted action plans to address these issues (“Total Maximum Daily Loads,” or TMDLs). SFEP is working with a number of partners, coordinated by the North Bay Watershed Association, reducing sediment and pathogens in stormwater and urban runoff. Partners have implemented restoration projects in and around the stream channels of concern, conducted workshops for officials and land managers, proposed model policies, programs, and ordinances to reduce sediment and pathogen pollution and continue to monitor how these projects impact the surrounding watersheds.

The following projects are underway or completed in North Bay watersheds:

Marin County

Marin County (project completed) – Richardson Bay tributary at Boyle Park

  • Reduce pathogen delivery through a riparian restoration project at a Richardson Bay tributary – Warner Creek at Boyle Park.
  • Inform the public about sources and impacts of pathogens
  • Improve waste management and monitoring at houseboat marinas in Richardson’s Bay, and address other bayside sources of pathogens in stormwater

Video: Boyle Park Creek Upper Reach during rain event on 2/9/14. (STRAW (Students and Teachers Restoring A Watershed) working and learning at Boyle Park in Mill Valley, CA)

 
Napa County

Napa Resource Conservation District (project underway) – Napa River watershed

  • Reduce sediment in the Napa River by repairing rural roads at critical erosion sites in the Heath Canyon watershed
  • Reduce pathogens in the Napa River working with the Napa County Livestock Council to implement stormwater management practices on private property
  • Inform the public about the sources and impacts of pathogens and sediment
  • Improve water quality monitoring in the Napa River basin
 
Sonoma County

Sonoma Resource Conservation District (project underway) – Sonoma Creek tributary

  • Inform the public about sediment pollution
  • Provide resources such as technical assistance, referrals, and educational materials to help property owners implement land management practices to reduce erosion and runoff
  • Reduce sediment delivery through riparian restoration and rural residential stormwater detention – Turkey Road vineyard site
  • Monitor project implementation and watershed health
  • Conduct workshops for elected officials and land managers on innovative techniques to reduce sediment and implement the North Bay TMDLs
  • Develop a template Conservation Ranch Plan in line with the criteria set in the Sonoma Creek sediment TMDL

Sonoma Ecology Center (project completed) – Sonoma Creek watershed

  • Increase awareness of sediment pollution
  • Provide resources such as technical assistance, referrals, and
    educational materials to help property owners implement land management practices to reduce erosion
    and runoff
  • Reduce sediment delivery through riparian restoration and rural residential stormwater detention – several sites throughout watershed (see photos directly below)
  • Monitor project implementation and watershed health.