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Sanitary Sewer


Wastewater collection services in the City of Clayton are performed by the City of Concord. Concord’s wastewater collection system conveys wastewater to Central Contra Costa Sanitation District’s wastewater treatment plant. For services issues, connections, or other questions regarding sanitary sewer service, please contact the City of Concord.

  • City of Clayton Wastewater maps

    • City of Concord Public Works
      City of Concord Public Works

      Address: 1950 Parkside Drive
      Concord, CA 94519

      Telephone:(925) 671-3448

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