Deer Creek Reservoir Recreational Monitoring 2022

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.

Monitoring for harmful algal blooms on November 2, 2022

Recreation water quality monitoring has ended for the season. Wasatch County Health Department has removed the Warning Advisory.

As of last sampling on 10/27 a HAB was still present at Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and recreate safely.

Monitoring will resume in summer 2023.

Monitoring for harmful algal blooms on October 13, 2022

Rainbow Bay and Island Park areas

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Rainbow Bay and Island Park areas of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: Harmful algae was observed and low levels of toxins were present in samples collected on 10/13.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on October 3, 2022

Rainbow Bay and Island Park areas

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Rainbow Bay and Island Park areas of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: High concentrations of harmful algae were found in samples collected on 9/29. Harmful algae were observed at sites around Deer Creek Reservoir. Toxins may be present in the water.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on October 3, 2022

Rainbow Bay and Island Park areas

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Rainbow Bay and Island Park areas of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: High concentrations of harmful algae were found in samples collected on 9/29. Harmful algae were observed at sites around Deer Creek Reservoir. Toxins may be present in the water.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on September 22, 2022

Island Park area

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Island Park area of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: Low concentrations of harmful algae were found in samples collected on 9/22. Our monitoring team will revisit next week to see if the bloom has dispersed.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on September 15, 2022

Island Park area

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Island Park area of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: High levels of harmful algae were found in samples collected on 9/15. Toxins may be present in the water.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on September 9, 2022

Island Park area

A Health Watch is in effect for Deer Creek Reservoir

Harmful algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

WARNING ADVISORY

Wasatch County Health Department has issued a Warning Advisory for the Island Park area of Deer Creek Reservoir.

Under a Warning Advisory:

BE CAREFUL: High levels of toxin-producing algae were found in samples collected on 9/6. Harmful toxins may be present in the water.

Other areas on Deer Creek Reservoir

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

Toxin-producing algae may be present anywhere in Deer Creek Reservoir. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for harmful algal blooms on August 30, 2022

HEALTH WATCH

A Health Watch is in effect for Deer Creek Reservoir

BE CAREFUL: Samples collected were all below Utah Department of Health recreational thresholds – that’s a good thing! However, some toxin-producing algae species were present near Island Park Marina, Rainbow Bay, and Deer Creek State Park. Know how to recognize the signs of a harmful algal bloom and avoid areas of algae scum when recreating.

Monitoring for waterborne pathogens on August 8, 2022

GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.

Sites Sampled: Sailboat Beach, Rainbow Bay, Island Park Marina

GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom.

Sites Observed: Sailboat Beach, Shore at State Park 05B, Rainbow Bay, Island Park Marina

Monitoring for harmful algal blooms on July 13, 2022

GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom.

Sites Observed: Sailboat Beach, Shore at State Park 05B, Rainbow Bay, Island Park Marina

Monitoring for waterborne pathogens on June 21, 2022

GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.

Sites Sampled: Sailboat Beach, Rainbow Bay, Island Park Marina

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.