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San Juan County

High levels of E. Coli detected in San Juan River after flooding

By ABC4 · October 30, 2026 · 1 min read
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Turbulent, muddy river water swirling against a sandy bank under an overcast sky, symbolizing contamination.
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Utah News spotted this story published October 30, 2026 at ABC4. Full coverage may follow as more sources report.

SAN JUAN COUNTY, Utah (ABC4) — High amounts of E. Coli have been detected in the San Juan River. According to San Juan County Public Health officials, recent flooding has led to a significant presence of Escherichia Coli bacteria in the San Juan River, with levels above health-based thresholds.

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