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Flaming Gorge Reservoir Recreational Monitoring

Flaming Gorge Reservoir is located in the northeast corner of Utah near Manila and Dutch John. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent Flaming Gorge monitoring information below.

Updates

November 1, 2024: Harmful algal bloom (HAB) and E. coli monitoring update

Recreational water quality monitoring has ended for the season. Monitoring will resume in summer 2025. Harmful algal blooms can occur year-round, so know what to look for and always check before recreating.


October 17, 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: Mustang Ridge Beach, State Line Beach.


September 18, 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: Mustang Ridge Beach, State Line Beach.


August 21, 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: Mustang Ridge Beach, State Line Beach.


July 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: Mustang Ridge Beach, State Line Beach.


June 24, 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: Mustang Ridge Beach, State Line Beach.

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