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Carlin flags urgent Oak Street lift station needs; estimate could rise above $8 million
Summary
City staff reported repeated failures at the Oak Street sewer lift station that create a two-hour response window versus a six-hour regulatory standard; Dowl Engineering will evaluate rehabilitation versus replacement and staff expect permitting/engineering to take about 18 months, with projected costs rising from $5.8 million to above $8 million due to inflation.
City Manager Richard Braithwaite told the council that Oak Street’s sewer lift station is the system’s lowest collection point and has suffered multiple failures, creating only a two-hour response window before sewage begins backing up into basements—short of the six-hour response time required by state regulations. "This falls far short of the six-hour response time required by state regulations," Braithwaite said, noting the urgency of improvements.
Dowl Engineering has started a task order to determine whether rehabilitating the existing station or constructing a new facility nearby is the better option and to replace the force main to the treatment lagoons. Braithwaite said original estimates around $5.8 million may exceed $8 million with inflation and that permitting and engineering will likely take about 18 months, meaning construction would not begin until 2025 at the earliest.
