San Juan River Recreational Monitoring 2021

Report a Bloom

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

Call Utah Poison Control Center

Poison Control (800) 222-1222

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

Update October 20, 2021 (Waterborne Pathogens)

On October 19th, the San Juan Health Department visited the San Juan River for routine waterborne pathogen monitoring. Samples from Sand Island and the Mexican Hat US-63 Crossing did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update September 28, 2021 (Waterborne Pathogens)

On September 27th, the San Juan Health Department visited the San Juan River for routine waterborne pathogen monitoring. Samples from Sand Island and the Mexican Hat US-63 Crossing did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update August 27, 2021 (Waterborne Pathogens)

On August 25th, San Juan Health Department visited San Juan River for routine waterborne pathogen monitoring. Samples from Sand Island and the Mexican Hat US-63 Crossing did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update July 28, 2021

San Juan Health Department visited the San Juan River for routine waterborne pathogen monitoring on July 26th. Samples from Sand Island and the Mexican Hat US-63 Crossing did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update June 15, 2021

On June 10th, San Juan Health Department visited San Juan River for routine waterborne pathogen monitoring. Samples from Sand Island and the Mexican Hat US-63 Crossing did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update June 2, 2021

The Division of Water Quality and Utah Department of Health began monitoring for waterborne pathogens on June 1st, 2021. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.