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
PFOA7.4 ppt(MCL: 4 ppt)
PFOS5.9 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 2025 · PFAS Removal, Upgrade Water Treatment Plant · $0
Short-term loan closed (per FFY2026 Final IUP Annual List note). Source →
Oct 2025 · PFAS Removal, Upgrade Water Treatment Plant · $0
Short-term loan closed (per FFY2026 Final IUP Multiyear List note). Source →
Jan 23, 2025 · ·This project includes the rehabilitation of three existing granular activated carbon (GAC) filter vessels that have been offline for 30 years. Work includes replacement of existing GAC media within the vessels, replacement of fiberglass pipe and fittings with ductile iron, and the installation of new chemical injection lines. The project scope is further defined by the engineering report entitled "Village of Suffern PFOS/PFOA Treatment System Engineer's Report", dated June 2022, by Pitingaro & Doetsch Consulting Engineers, P.C., as may be updated, amended, supplemented, and approved by the New York State Department of Health. · $532k
Approved by EFC Board of Directors (Resolution 3064, 2025-01-23). Source →
Jan 23, 2025 · This project includes the rehabilitation of three existing granular activated carbon (GAC) filter vessels that have been offline for 30 years. Work includes replacement of existing GAC media within the vessels, replacement of fiberglass pipe and fittings with ductile iron, and the installation of new chemical injection . lines. The project scope is further defined by the engineering report entitled "Village of Suffern PFOS/PFOA Treatment System Engineer's Report", dated June 2022, by Pitingaro & Doetsch Consulting Engineers, P.C., as may be updated, amended, supplemented, and approved by the New York State Department of Health. ·