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City details quick repair after Well #3 pump coupler failure following power bump
Summary
Public works described a July 5 power bump that fractured a coupler on a deep-well pump, the two-day outage, and how contractor assistance and Eastern provided emergency flow to avoid longer outages and public-health risks.
Public works staff told the Cheney City Council that a July 5 power bump caused a coupler failure on a deep-well pump (Well #3), forcing a short outage while crews diagnosed and repaired the damage.
The lead explained that a torque event during restart split a coupler section in the pump column but did not break the shaft; contract specialists identified the problem and worked with city water staff to disassemble and repair the unit. "We would have to pull the whole pump out" if the shaft had broken, the project lead said, which could have led to a multi-week outage and more substantial procurement delays for uncommon parts.
Eastern (the nearby university) provided 250 gallons per minute during the repair to help keep reservoirs at safe levels while irrigation demand was high. City staff thanked residents for conserving water during the outage and said the repair timeline was measured in days rather than weeks because of the quick identification and on-site contractor support. Staff will continue to investigate the cause of the power bump and follow up with the council on any long-term resilience measures.
