San Juan River Recreational Monitoring 2022

Report a Bloom

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

Call Utah Poison Control Center

Call the Poison Control Center

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

Recreational water quality monitoring has ended for the season on November 4, 2022

We will resume monitoring for harmful algal blooms and waterborne pathogens in summer 2023. HABs may be present in Utah water bodies year-round. If you are recreating, avoid areas of scum, know how to recognize the signs of a harmful algal bloom, and learn how to protect yourself and your family, including dogs.

Monitoring for waterborne pathogens on October 17, 2022

BE CAREFUL: E. coli counts were measured above Utah Department of Health recreational thresholds. Exposure to this water may make humans sick.

Site Sampled: at Sand Island

Monitoring for waterborne pathogens on October 11, 2022

BE CAREFUL: E. coli counts were measured above Utah Department of Health recreational thresholds. Exposure to this water may make humans sick.

Site Sampled: At Mexican Hat US163 crossing, at Sand Island

Monitoring for waterborne pathogens on July 26, 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.

Site Sampled: At Mexican Hat US163 crossing, at Sand Island

Monitoring for waterborne pathogens on June 28, 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.

Site Sampled: At Mexican Hat US163 crossing, at Sand Island

The Division of Water Quality and the Utah Department of Health will monitor this site for waterborne pathogens this summer, beginning in June 2022. We will share updates here.