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Willard Bay Reservoir Recreational Monitoring

Willard Bay Reservoir is located at 900 W. 650 N., Willard in Box Elder County. It is west of I-15, exit 357. 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.

Updated:

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._


September 30, 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: N marina swim beach, Eagle Beach, Pelican Beach.

September 30, 2024: 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 visited: Eagle Beach, State Park N marina swim beach, Pelican Beach 


September 19, 2024: 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 visited: Eagle Beach, State Park N marina swim beach, Pelican Beach 


August 7, 2024: 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 visited: Eagle Beach, State Park N marina swim beach, Pelican Beach 


July 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: N marina swim beach, Eagle Beach, Pelican Beach.


July 16, 2024: 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 visited: Eagle Beach, State Park N marina swim beach, Pelican Beach 


July 3, 2024: Waterborne pathogen (E. coli) & HAB 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. No signs of harmful algae were observed.

Site sampled: State Park N Marina Beach, Eagle Beach, Pelican Beach.


June 19, 2024: Waterborne pathogen (E. coli) & HAB 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. No signs of harmful algae were observed.

Site sampled: State Park N Marina Beach, Eagle Beach, Pelican Beach, 100 m E of boat ramp


June 4, 2024: 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 visited: Willard Bay Pond 100 meters east of boat ramp


May 20, 2024: Waterborne pathogen (E. coli) & HAB 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. No signs of harmful algae were observed.

Site sampled: Pelican Beach, Eagle Beach, marina swim beach

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