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Provo wastewater master plan flags aging pipelines and a looming biosolids disposal gap
Summary
Consultants reported localized capacity issues and aging sewer mains requiring long‑term rehabilitation; staff warned a long‑running biosolids land‑application contract ends this year, leaving hauling to a landfill and tipping fees as the near‑term option while alternatives including composting or purchase of land face permitting and community barriers.
Consultants and staff presented Provo’s wastewater collection master plan, noting that the existing system is broadly in good condition but that future development and aging pipes create localized capacity and replacement needs. The consultant said about 20% of the sewer system was installed before the 1950s and that statistical life‑cycle analysis shows a multi‑decade rehabilitation need that will require annual investment.
On operations and compliance, Dave Torgerson (wastewater program) summarized the city’s annual UPDES survey and operational metrics and said the city files the survey with the state to remain eligible for certain funding. He also described an operational challenge with biosolids disposal: a long‑running agreement with a nearby farm that accepted treated solids is expiring at year‑end and staff do not expect a renewal. “that contract … expires at the end of this year,” Torgerson said, noting the city has explored regional options but currently anticipates hauling biosolids to a landfill with a tipping fee — an option with ongoing costs and permitting uncertainty, especially given PFAS attention and some landfill restrictions.
Councilors asked about staffing and inspection frequency; staff said the city inspects the collection system on roughly a five‑year cycle given current staffing levels and that the system is operated “very lean” but that replacement funding and additional positions are necessary to accelerate rehabilitation. Torgerson and consultants said the city will need to consider revenue options — including potential rate changes paired with capital planning — and return with recommendations in the fall on rates and replacement pacing.
On biosolids, staff said composting and other local solutions had been evaluated but face community opposition, permitting complexity and cost; the closest farm willing to accept solids is too distant to be cost effective. The council asked staff to continue evaluating alternatives while factoring in environmental constraints and PFAS concerns.
