One or more PFAS compounds exceed EPA Maximum Contaminant Levels. This is not a current violation — the federal compliance deadline is April 2029 (a proposed extension to 2031 is not final). These are UCMR 5 results from 2023 to 2025; the system may have installed treatment since.
Key contaminants vs MCL
PFOA5.6 ppt(MCL: 4 ppt)
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: April 26, 2029 under the current rule.
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As printed in the state's own documents. Amounts are not added together: each is a different kind of figure.
Oct 10, 2024 · This project consists of the installation of a Granular Activated Carbon (GAC) treatment system at the Roslyn Water District (WO) Plant No. 5 to remove PFAS. The project is defined by the engineering report entitled "Engineering Contaminant Removal at Plant No. 5" dated March 2023 by the engineering firm H2M architects+ engineers, as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $2.98M
Approved by EFC Board of Directors (Resolution 3053, 2024-10-10). Source →