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Wastewater director outlines $36 million plant upgrade and looming sludge-disposal crunch
Summary
The town’s wastewater director told the Finance Committee the plant needs a $36 million renovation to replace headworks, clarifiers and chemical systems; a new centrifuge would reduce hauling costs but the closure of the town’s current sludge processor forces costly alternatives — including trucking to Ohio or rail shipments to New Jersey — until a longer-term outfall plan is finalized.
Scott Crazel, director of the town’s Water Pollution Control facility, told the Finance Committee that the department is proposing a $36 million plant upgrade to replace aging headworks and clarifiers, install a sodium-hydroxide injection system and add equipment to increase sludge solids from roughly 6% to about 20–22%.
The change, Crazel said, would allow the plant to dewater sludge on-site using a centrifuge and reduce the volume and cost of off-site disposal. “We currently put out liquid sludge at about 6% solids,” he said. “A centrifuge would bring that up to 20–22% and cut hauling costs.”
Why it matters: the town’s current processor is expected to close in the near future, which would leave Wareham without a nearby facility to accept dewatered solids. Crazel told the committee staff has identified interim options including trucking loads to Ohio at roughly $7,000 per load or trucking to a rail spur for rail shipment to New Jersey — both expensive alternatives. He said the plant’s existing contract will likely remain available through 2026 but cannot be relied on indefinitely.
Context: Crazel also described a planning model that identified a Narrows-area outfall location as a promising, lower-cost option for future discharge. Preliminary modeling shows that routing an outfall to the Narrows could reduce the town’s long-term capital costs tied to the state-mandated Comprehensive Wastewater Management Plan (CWMP) by an estimated half-billion dollars over the CWMP timeline, he said. That modeling remains subject to regulatory review and environmental permitting.
Debate and next steps: committee members pressed for details on interim hauling costs and timing. Crazel said the department will start upgrading the most obsolete lift stations first and that the timeline for construction and permitting of any new outfall would be measured in years, not months. He recommended budgeting for the plant project while continuing to analyze intermediate sludge-disposal options and pursue any available grants.
The Finance Committee will consider the wastewater capital request as part of the upcoming budget process and may ask for follow-up cost estimates for interim hauling scenarios and a permitting timeline for the proposed outfall.
