Local sewer authority warns PFAS settlement could shift major cleanup costs to ratepayers
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Summary
The Stony Brook Regional Sewerage Authority told West Windsor officials on Nov. 10 that a proposed $450 million settlement with PFAS manufacturers could include a covenant preventing later lawsuits, which the authority says would shift significant future PFAS treatment and cleanup costs onto sewer ratepayers and municipal budgets.
The Stony Brook Regional Sewerage Authority briefed the West Windsor Township Council on Nov. 10 about PFAS contamination, a pending proposed settlement with manufacturer 3M and the risks the authority says the deal could pose to municipal ratepayers.
Arun, West Windsor's representative to the authority, said SBRSA has tracked available treatment capacity for its River Road wastewater plant and now faces an additional regulatory and financial question: a proposed $450 million statewide settlement with 3M and others that SBRSA officials say contains a broad covenant not to sue. "If we accept the settlement, 3M is released from state liability," Arun said, and the covenant language, as drafted, could prevent wastewater treatment authorities from later seeking reimbursement for PFAS-treatment costs.
SBRSA representatives told the council that PFAS (per- and polyfluoroalkyl substances) come from industrial discharges, consumer products and firefighting foam and that new DEP standards could require expensive treatment upgrades. Presenters cited several treatment challenges: current approaches commonly use activated carbon, which captures PFAS but then requires disposal or destruction; there is no widely agreed "cradle-to-grave" destruction method. One SBRSA speaker estimated compliance could run into "tens and hundreds of millions" of dollars in capital costs plus substantial ongoing treatment expenses.
David Smith, identified by SBRSA as its lead on some operational items, was cited during the presentation for an example calculation: a 15,000 gallons-per-day reduction in inflow and infiltration (I&I) produces a roughly 62,000-gallon annual reduction in the authority charge. SBRSA recommended municipalities prioritize I&I reduction as a cost-avoidance measure while legal and regulatory outcomes are pending.
Council members pressed SBRSA on next steps. The authority has filed at least an objection letter with the state and is exploring coordinated legal strategies with other sewer authorities. A court scheduling date of Jan. 7, 2026, at 9 a.m. was cited for a hearing related to the settlement.
SBRSA officials asked West Windsor to consider passing a resolution supporting the authority's legal position; they offered to provide a template. "We would appreciate any support for what we have filed with the NJDEP," one attorney working with the authority said, and the council requested the template so it could be considered quickly and, if appropriate, placed on a near-term agenda.
The council discussed the potential downstream effects on sewer rates and township budgets. Officials noted that sewer bills in West Windsor are based on winter water usage and that, if treatment or capital costs rise significantly, those costs could be reflected in increased ratepayer charges unless alternative funding or legal recoveries are secured. The council asked SBRSA for further detail and suggested coordinated municipal advocacy and technical planning focused on I&I reduction while legal options move forward.
The authority's presentation and supporting slides will be posted on the township website, and SBRSA said it will circulate the resolution template to municipal staff for consideration.
