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County asks staff to study biosolids acceptance at Rock Creek landfill amid PFAS and operational concerns

Calaveras County Board of Supervisors · December 9, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Integrated Waste Management briefed the Board on a request from Calaveras County Water District to accept Class B biosolids at Rock Creek; the board directed staff to investigate technical, regulatory and environmental implications, including PFAS, groundwater/leachate risk, gas impacts, and equipment wear.

Integrated Waste Management Director Jennifer Cashe asked the Calaveras County Board of Supervisors for direction to investigate whether Rock Creek Landfill should again accept biosolids for disposal, citing a request from the Calaveras County Water District (CCWD) and potential cost and operational impacts.

Cashe defined biosolids as treated wastewater solids and summarized disposal options — land application, incineration, and landfilling — while distinguishing treated 'biosolids' from untreated 'sewage sludge.' She…

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