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Officials warn water/wastewater plant and conveyance capacity will require accelerated engineering and possible financing
Summary
Engineering staff said the city’s wastewater treatment and conveyance systems are approaching capacity; the Owens Branch interceptor and wastewater plant expansion were moved earlier in the CIP and staff recommended a rate study and external financing to fund the multi‑year projects.
City engineers and utilities staff told the board that system capacity and pending development will push the wastewater system toward design limits within several years and that accelerating engineering and seeking external financing are prudent next steps.
Chuck summarized master‑plan recommendations and large conveyance projects, including the Owens Branch interceptor — a $6,000,000 total project broken into segments — and said phase 1 is in design and expected to be bid next year. "Segment 1 gets us to KK...That's currently in design. We expect to have that ready to bid next year," he said.
On treatment capacity, staff cited design and current flows. "Our design capacity is 1,125,000 gallons per day. We are currently at 1,000,000 gallons a day, average daily flow," Chuck said during the presentation, and later presenters and staff noted that two developments totaling roughly 468 units could push the city to capacity in the late 2020s if growth accelerates.
Council members pressed how the city could limit permitting until conveyance and treatment capacity are increased; staff noted final platting and construction can be constrained even when preliminary plats are allowed. The board asked staff to speed up wastewater plant engineering, continue Owens Branch design work and include a rate study to inform future utility rates.
