May 2026 Board Meeting

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Top 3 Key Takeaways

1. Chiquita Canyon Landfill Poses Potential Groundwater Quality Risk to Downstream Basins

Executive Director Tony Morgan reported ongoing concerns about the Chiquita Canyon landfill, where a pyrolysis-type reaction continues and is expanding. The Regional Water Board is concerned that a seismic event could trigger a large discharge of contaminated leachate into the Santa Clara River and, consequently, into the Piru Basin's groundwater. United Water has begun a surface water sampling program (~$10,000 per sample suite) to monitor for landfill-related contaminants, and Tony Morgan has a multi-agency meeting scheduled for June 3 (on behalf of the Agency) with Regional Board, State Water Resources Control Board, DDW, Santa Clarita Valley Water, and United. Staff noted groundwater monitoring frequency by the Regional Board (currently every 3–6 months) as a concern to raise to better protect basin water quality.

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Firms & Consultants

Sarah Chen

Environmental Science Associates

CONSULTANT

Michael Rodriguez

Provost & Pritchard

CONSULTANT

View detailed participant information including consulting firms, presenters, and meeting roles.

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