Division of Water Quality
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.
Looks Good!
There are no current health advisories for this water body.
Conditions may change quickly. Check before entering the water and know how to spot a harmful algal bloom.
Updates
September 3, 2026: 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(s) sampled: Eagle Beach, Pelican Beach, Marina Swim Beach
August 3, 2026: 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(s) sampled: Eagle Beach, Pelican Beach, Marina Swim Beach
July 7, 2026: 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(s) sampled: Eagle Beach, Pelican Beach, Marina Swim Beach
June 12, 2026: 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(s) sampled: Eagle Beach, Pelican Beach, Marina Swim Beach
May 21, 2026: Waterborne pathogen (E. coli) monitoring update
GOOD NEWS: E. coli counts were measured below recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses.
Site(s) sampled: Eagle Beach, Pelican Beach, Marina Swim Beach