Payson Lakes 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 July 22, 2021

A Health Watch has been issued for Payson Lakes by the Central Utah Health Department. This includes McClellan Lake, Box Lake, and Big East Lake.

Note: This is not a formal advisory level but rather an indication that a bloom may exist or become more severe based on available information from Utah DWQ and Utah Department of Health.

Staff from Utah County Health Department visited Payson Lakes on 7/21/2021 and observed signs of a Harmful Algal Bloom in all Payson Lakes. The DWQ HABs monitoring team will monitor and sample the reservoir as soon as possible.


Update July 13, 2021 (Waterborne Pathogens)

On June 29th, Utah County Health Department visited the Payson Lakes for routine waterborne pathogen monitoring. Samples from near the southwest beach did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update June 23, 2021 (HABs)

Cyanotoxin and cell density samples from Box Lake and Big East Lake were returned reporting cell densities less than the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. The DWQ HABs monitoring team will resume routine monitoring.


Update June 17, 2021 (HABs)

The DWQ HABs monitoring team visited Payson Lakes on June 16th. Harmful algal blooms, specifically grass clippings, were observed near the center of Box Lake and the southwest shoreline of Big East Lake. Cylindrical nodules were observed near the northwest shoreline of Big East Lake as well. No harmful algal blooms were observed in McClellan Lake. Cyanotoxin and cell density samples were collected, and results are pending.


Update June 2nd, 2021 (HABs/Waterborne Pathogens)

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