Strawberry Reservoir Algal Bloom Monitoring 2020

Harmful algal bloom monitoring has ended for the season. Regular sampling updates to the Utah Recreational Water Monitoring Map will resume in spring 2021.

Report a Bloom

24-Hour DEQ Environment Incidents Line: (801) 536-4123

Call Utah Poison Control Center

If you believe you or your pet have been exposed to a harmful algal bloom, call (800) 222-1222.

Update November 2, 2020

The Warning Advisory for Strawberry 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 waterborne pathogens at priority water bodies will be conducted until May 2021.

This does not mean that the potential for harmful algal blooms or waterborne pathogens has ceased. Please remain aware while recreating in or near water bodies and for information on how to keep yourself, your family, and your pets safe, please visit:


Update September 21, 2020

Wasatch County Health Department has issued a Warning Advisory for Strawberry Reservoir at all public access points.

On September 16, 2020, the DWQ HABs monitoring team visited Strawberry Reservoir. The monitoring team observed a harmful algal bloom at the Day Use Marina. Cyanotoxin and toxigenic cell density samples were collected.

Results delivered from Phycotech Lab on September 21, 2020 show toxigenic cell count densities at 146,072 cells/mL, which is above the DWQ/DOH Recreational Health Threshold for an advisory.

Cyanotoxin results delivered from UDAF lab show microcystin concentrations below detection.

Strawberry Reservoir Day Use Closeup

Strawberry Reservoir Day Use Closeup