Nuclear plant stationed in York County sounds seasonal test sirens By Samiyah Heyward Staff Writer News On Oct. 7, 2026, the Catawba Nuclear Station tested 89 outdoor warning sirens between a two hour testing window from 11:00 a.m. to 1:00 p.m. Each siren played throughout this window lasted for around three minutes. The emergency sirens are tested regularly on the second Wednesday of every three months to minimize disruptions for individuals li…
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