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Mona Reservoir Recreational Monitoring

Icons for safe to swim, safe to boat, safe to eat fish. Although doing all 3 at the same time might be challenging.

Looks Good!

Icons for safe to swim, safe to boat, safe to eat fish. Although doing all 3 at the same time might be challenging.

Mona Reservoir is located in Mona City at the north end of Juab Valley (Juab County). DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent monitoring information below.

Updates:

May 12, 2025: Waterborne pathogen (E. coli) and HAB monitoring update

GOOD NEWS: E. coli counts were measured below recreational thresholds and our monitoring team did not see any visible signs of a harmful algal bloom.

Site sampled: south of the boat ramp, SE of the dam.

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