The Division of Water Quality and the Utah Department of Health will monitor this site for waterborne pathogens and harmful algal blooms this summer, beginning in June 2022. We will share updates here.
Read MoreUpdate October 27, 2021 (Waterborne Pathogens) On October 25th, the DWQ waterborne pathogens monitoring team visited Mantua Reservoir. Samples from along the north shore contained 261.3 MPN/100mL, which is above the UDWQ/UDOH recommended Warning Advisory threshold of 235 MPN. Follow-up sampling will occur as soon as possible. Update October 25, 2021 (HABs) The Warning Advisory …
Read MoreUpdate November 2, 2020 The Warning Advisory for Mantua Reservoir has been removed as a result of the end of the sampling and monitoring recreation season. The Utah Division of Water Quality’s water recreation season runs from May 1 through October 31. At this time, no further monitoring or sampling for harmful algal blooms or …
Read MoreClick photo to see larger version October 2019 September 2019 August 2019
Read MoreUpdate November 7, 2019 The Bear River Health Department (BRHD) has removed the Danger and Warning Advisories on Mantua Reservoir. Toxin test results received from the Utah Public Health Lab (UPHL) for samples collected by the Division of Water Quality (DWQ) at the dock near the dam on October 25, 2019, and at the dock …
Read MoreSelect photo to see larger version. May 22, 2018
Read MoreFind the latest 2018 harmful algal bloom monitoring updates and health advisories for Mantua Reservoir here.
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