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.
Update October 7, 2021 (Waterborne Pathogens)
On September 21st, Davis County Health Department visited Holmes Reservoir. Samples from near the southeast end of the dam did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.
September 3, 2021 (Waterborne Pathogens)
On August 26th, Davis County visited Holmes Reservoir. Samples from near the southeast end of the dam did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.
Update August 26, 2021
The DWQ HABs monitoring team visited Holmes Reservoir on August 26th. Harmful algal blooms were observed at all sites visited. Cyanotoxin and cell density samples were collected, and results are pending. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.
Update July 15, 2021
The DWQ HABs monitoring team visited Holmes Reservoir on July 14th. Harmful algal blooms were not observed. Cyanotoxin and cell density samples were collected, and results are pending. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.
Update July 8, 2021 (Waterborne Pathogens)
On June 28th, Davis County visited Holmes Reservoir. Samples from near the southeast end of the dam did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.
Update June 2nd, 2021
The Division of Water Quality and the Utah Department of Health began monitoring for waterborne pathogens on June 1st, 2021. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.
