The Oregon Health Authority issued a recreational use health advisory today for Keno Dam Reservoir due to the presence of a cyanobacteria (harmful algae) bloom and the toxins they produce. Keno Dam Reservoir is located approximately 12 miles southwest of Klamath Falls on Oregon Highway 66W in Klamath County.

Water monitoring has confirmed the presence of cyanobacteria and the toxins they produce in Keno Dam Reservoir. The cyanotoxin concentrations found can be harmful to humans and animals.