Vermilion to replace water-plant SCADA system after automatic Windows upgrade corrupted software; $326,000 proposal presented
Nov 10, 2025
Nov 10, 2025
Service Director Tommy Valerius reported an automatic Windows 11 upgrade corrupted the water-plant SCADA software; the city received a $326,000 proposal to replace the system and the Ohio EPA required weekly sampling and updates.
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The city’s service director told the Vermilion City Council on Nov. 10 that an automatic Windows 11 upgrade on Oct. 8 corrupted the water-plant SCADA control software, forcing staff to perform manual grab sampling and seek a vendor to repair or replace the system.
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