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Highland Glen Reservoir Recreational Monitoring

Be cautious when swimming, boating is OK, eating fish is OK.
Be cautious when swimming, boating is OK, eating fish is OK.

Highland Glen Reservoir is south of Highland’s Lone Peak High School in Utah 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

June 30, 2025: Waterborne pathogen (E. coli) monitoring update

BE CAREFUL: E. coli counts at Highland Glen Reservoir are above safe recreational thresholds. Sampling suggests that there is a high likelihood that harmful bacteria and/or viruses are present in the water. Exposure to this water may make humans sick.

If you visit Highland Glen Reservoir:


May 21, 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 end of reservoir

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