Toxic blue-green algae found in local parks

Toxic "blue-green" algae has been killing pets in some southern states this summer. Now a number of advisories have been posted in our region. Signs have just gone up at Lake Needwood and Lake Frank in the Rock Creek Regional Park in Derwood warning pet owners to keep their dogs out of the water.
Published: 5:53 PM EDT August 13, 2019
Updated: 5:52 PM EDT August 13, 2019