This webpage is updated monthly with information provided by Zion National Park (ZNP). The Utah Division of Water Quality does not routinely conduct HAB sampling within the Virgin River Watershed. If you have additional questions, please contact ZNP by calling (435) 772-3256. Monitoring for harmful algae on November 4, 2022 North Fork of Virgin River …
Read MoreSee algal bloom monitoring updates for the North Fork of the Virgin River.
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Samples from the site where a dog died on July Fourth show high cyanotoxins. DEQ, the local health department and Zions National Park will continue to sample the North Fork of the Virgin and keep residents aware of potential health risks.
Read MoreUpdate May 4, 2020 A health advisory remains in place for the North Fork Virgin River. Results from 2016 – 2019 monitoring continue to indicate that water quality is improving on the North Fork Virgin River. However, the National Park Service continues to educate backcountry visitors about the possible health risks associated with water contaminated …
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