Engineers recommend replacing collapsed sewer segment on 11th Street amid capacity concerns

Mar 25, 2026

A DOWL engineer told the Carlin council that video scoping found blockages and collapsed pipe between 10th and 14th Streets; staff recommended considering replacement and upsizing of the segment to handle new development and surges from a private lift station that cause backups.

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City engineer Logan Jensen reported to the council that video inspection of the sanitary main between 10th and 14th Streets revealed blockages and several collapsed sections. An emergency overflow was designed to engage only when a manhole backs up; residents at 11th Street have experienced backups because a private lift station sends surges down the line when obstructed.

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