New signage warns of toxic blooms

Crook County Natural Resource District has teamed up with Keyhole State Park to purchase and install signage that will educate the public about the dangers of harmful cyanotoxins caused by cyanobacteria algae blooms.

The signs were delivered to the park's superintendent, Greg Deveraux, last week – a timely moment to install them, as it turns out, because the bloom advisory changed to a toxin advisory on October 27.

According to the Wyoming Department of Environmental Quality, advisories are issued by the Wyoming Department of Health when cyanobacterial cell densities or cyanotoxin concent...