Health Watch
Harmful bacteria/viruses present
- Do not get water in your mouth
- Don’t drink the water
- Wash hands with soap and clean water after contact with lake or river water
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.
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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:
- Do not dunk head
- Do not get water in your mouth
- Wash hands with soap and water after being in water
- Learn more about waterborne pathogens
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