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Hobbs Reservoir Recreational Monitoring

Updates:

November 1, 2024: Harmful algal bloom (HAB) monitoring update

Recreational water quality monitoring has ended for the season. Monitoring will resume in summer 2025. A harmful algal bloom may still be present at this waterbody. Know what to look for and check before recreating.


October 17, 2024: Harmful algal bloom (HAB) monitoring update

BE CAREFUL: Conditions were looking much improved. Only low levels of harmful algae were observed. Hobbs Reservoir will continue to be visually monitored for harmful algae and advisory signs removed if the bloom remains dispersed.

Davis County Health Department has issued a WARNING ADVISORY. 

If you visit the reservoir:


September 27, 2024: Harmful algal bloom (HAB) monitoring update

BE CAREFUL: A harmful algal bloom is present at Hobbs Reservoir. Algae mats in the water may be producing dangerous toxins that can make humans and animals sick.

Davis County Health Department has issued a WARNING ADVISORY.

If you visit the reservoir:


September 25, 2024: Harmful algal bloom (HAB) monitoring update

BE CAREFUL: Our monitoring team saw visible signs of a harmful algal bloom at Hobbs Reservoir. 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:


June 20, 2024: Waterborne pathogen (E. coli) monitoring update 

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

Site sampled: By US Highway 89


May 31, 2024: Waterborne pathogen (E. coli) monitoring update 

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

Site sampled: By US Highway 89

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