State wildlife biologists found live adult zebra mussels below Westwater Recreation Area last month, which were confirmed by lab testing on Wednesday, according to the Utah Division of Wildlife Resources. Zebra mussels, much like quagga mussels that have been found before in Utah, are invasive and clog pipes and infrastructure, which can potentially cause millions in damage.
Destructive invasive species has entered Utah portion of Colorado River
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Utah News spotted this story published October 8, 2026 at KSL. Full coverage may follow as more sources report.
