Introduction
In a bold move to confront the rising threat of “forever chemicals,” the City of Tustin has officially launched a state-funded PFAS treatment system – positioning itself at the forefront of California’s fight for safe, modern drinking water.
PFAS, or per- and polyfluoroalkyl substances, are man-made chemicals linked to cancer, liver damage, and developmental issues. Found in firefighting foams, industrial discharges, and even household products, these persistent contaminants have infiltrated water systems across the U.S. – and Southern California is no exception.
What Tustin Just Did
A Turnkey PFAS Defense System
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Tustin’s new system, funded by the State Water Resources Control Board, uses advanced resin-based treatment to strip PFAS from groundwater supplies.
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The system is designed to meet California’s response levels of 10 ppt for PFOA and 40 ppt for PFOS – some of the most stringent standards in the country.
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The treatment facility is capable of processing millions of gallons daily, restoring safe access to drinking water for thousands of residents.
Why PFAS Matters Now
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PFAS compounds don’t break down in the environment and bioaccumulate in human bodies.
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California has ramped up testing and regulation, requiring utilities to notify the public when PFAS exceed specified thresholds.
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Tustin had previously shut down wells due to PFAS levels – this new system brings those wells back online safely.
State–Local Collaboration in Action
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Tustin’s rollout is part of a broader $160 million state initiative to support PFAS mitigation in vulnerable communities.
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Public agencies, including the Department of Water Resources and the Office of Environmental Health Hazard Assessment, played a key role in vetting and funding the project.
Setting the Standard for Other Cities
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Tustin’s success story sends a message: clean water is a solvable challenge with the right political will, funding, and technical expertise.
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As federal PFAS regulations loom in 2026, other municipalities will need to follow suit – or face major compliance and health crises.
Is your community preparing for PFAS compliance? Need help designing or financing a treatment solution?
Book a consultation with BCG Water – we’re helping cities like yours turn contaminants into compliance success stories.
