Panguitch Lake is located southwest of Panguitch City in Garfield 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
January 21, 2026: Recreational water quality monitoring update
Recreational water quality monitoring has ended for the season and the lake is freezing over. Monitoring will resume in June or July 2026. Harmful algal blooms can occur year-round, so know what to look for and always check before recreating.
September 17, 2025: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Panguitch Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick. Watch also as the bloom is flowing downstream from the dam.
US Forest Service has issued a WARNING ADVISORY.
If you visit the reservoir:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard skin and guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
August 22, 2025: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Panguitch Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick. Watch also as the bloom is flowing downstream from the dam.
US Forest Service has issued a WARNING ADVISORY.
If you visit the reservoir:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard skin and guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
August 14, 2025: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Our monitoring team saw visible signs of a harmful algal bloom at Panguitch Lake. There could be algae in the water producing dangerous toxins. We collected samples and results are pending. Check back here for updates.
In the meantime we recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard skin and guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
June 19, 2025: Harmful algal bloom (HAB) monitoring update
GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom. Learn more about harmful algal blooms.
Site(s) visited: lakewide