Air Quality
Drinking Water
Environmental Response and Remediation
Waste Management and Radiation Control
Water Quality
Executive Director’s OfficeReport a Bloom
24-Hour DEQ Environment Incidents Line: (801) 536-4123
Call Utah Poison Control Center
If you believe you or your pet have been exposed to a harmful algal bloom, call (800) 222-1222.
Recreational water quality monitoring has ended for the season on November 4, 2022
We will resume monitoring for harmful algal blooms and waterborne pathogens in summer 2023. HABs may be present in Utah water bodies year-round. If you are recreating, avoid areas of scum, know how to recognize the signs of a harmful algal bloom, and learn how to protect yourself and your family, including dogs.
Monitoring for waterborne pathogens on October 17, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Below Little Hole Boat Ramp
Monitoring for waterborne pathogens on October 11, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Green River 60 meters ab Split Mountain Campground boat ramp
Monitoring for waterborne pathogens on September 26, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Green River 60 meters ab Split Mountain Campground boat ramp, Below Little Hole Boat Ramp
Monitoring for waterborne pathogens on September 7, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Swasey Rapid,Ab Green River City WWTP
Monitoring for waterborne pathogens on August 17, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Green River 60 meters ab Split Mountain Campground boat ramp, Below Little Hole Boat Ramp
Note: The Green River near Split Mountain Campground in Dinosaur National Monument remains under a Health Watch for a possible harmful algal bloom. Learn more here.
Monitoring for harmful algal blooms on August 3, 2022
Split Mountain Campground (Dinosaur National Monument)
HEALTH WATCH
A Health Watch is in effect for Green River near the Split Mountain Campground (Dinosaur National Monument)
BE CAREFUL: Toxigenic cyanobacteria may be present. Avoid touching or disturbing algal mats. Avoid primary contact recreation (swimming and submerging the head) when recreating near Split Mountain Campground. Do not drink in-stream water anywhere in the park. If you must filter water, do so directly from a spring source. See Dinosaur National Monument’s webpage for more information.
Other areas of the Green River
No advisories or health watches are in effect.
Monitoring for waterborne pathogens on July 20, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Swasey Rapid,Ab Green River City WWTP
Monitoring for waterborne pathogens on July 6, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: BL Little Hole Boat Ramp,60 m above Split Mountain Campground boat ramp
Monitoring for waterborne pathogens on June 29, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Swasey Rapid, AB GREEN R CITY WWTP
Monitoring for waterborne pathogens on June 15, 2022
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling did not indicate the presence of illness-causing waterborne pathogens.
Sites Sampled: Below Little Hole Boat Ramp, 60 meters above Split Mountain Campground Boat Ramp
The Division of Water Quality and the Utah Department of Health will monitor this site for waterborne pathogens this summer, beginning in June 2022. We will share updates here.
