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Commission discusses containerized compost pilot and operational needs
Summary
The waste-reduction work group described potential pilot options including a containerized Green Mountain Technologies composter UW-Green Bay has used since 2020; members asked about ownership, costs (~$80,000 reported), staffing needs, site for curing semi-finished compost, contamination risks and whether a public drop-off model is feasible.
The Sustainability Commission’s Waste Reduction work group updated members on plans for a food-waste-diversion pilot and discussed containerized composting technology as one practical option.
The work-group lead described coordination with partners including John Arndt and Brown County Resource Recovery and highlighted an in-vessel/containerized composter operated at UW Green Bay since 2020. "Green Bay has been running it, and Daniella actually could probably speak on behalf of this as well, but, they implemented it in 2020," the presenter said, noting the unit can process roughly 28,000 pounds of organic material per month and is owned outright by UWGB.
Members asked whether the unit was purchased or rented and were told it was purchased; the presenter recalled John Arndt saying the purchase cost was about $80,000, funded in part by student sustainability fees. Participants also raised operational questions: the composter requires ongoing staffing (the campus paid a student about 20 hours a week), a place to stage semi-finished compost for curing, and active monitoring to reduce contamination if public drop-off access is offered.
Commissioners discussed where municipal food-waste streams would come from (residential versus seasonal sources such as Bay Beach) and emphasized that containerized systems reduce footprint and some regulatory barriers connected to open piles. The group said it will include implementation options, cost and maintenance considerations, and recommended sites and partners in a pilot-program proposal to present to the commission.
No formal action was taken; the report will inform a forthcoming pilot proposal.
