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Colorado River 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.

Colorado River serves 40 million people in seven states. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent Colorado River monitoring information below.

Updates

July 15, 2025: Waterborne pathogen (E. coli) monitoring update

GOOD NEWS: E. coli counts were measured below recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses.

Sites sampled: US 191 crossing near Moab, below Salt Wash at Take Out Beach


June 21, 2025: Waterborne pathogen (E. coli) monitoring update

GOOD NEWS: E. coli counts were measured below recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses.

Sites sampled: US 191 crossing near Moab, below Salt Wash at Take Out Beach

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