Keyhole reservoir under advisory
September 19, 2019
The Wyoming Department of Health (WDH) is issuing an advisory for Keyhole Reservoir due to a harmful cyanobacterial bloom (HCB). This advisory is for the section of the reservoir near where Wind Creek intersects with Hwy. 113/Old Sundance Road only.
HCBs, previously referred to as harmful algal blooms or HABs, are associated with irritants and can produce a number of toxins that may pose a risk to people, pet and livestock health. In the event of an elevated risk or occurrence for toxin production by cyanobacteria, the WDH issues a recreational use health advisory. Under an advisory, WDH r...