Maryland Department of the Environment

August 10, 2020 | Jordan Lindsay

Visible Signs of Harmful Toxin Reported at Lake Needwood; Visitors Urged to Use Caution

Montgomery Parks officials urge residents to be careful when recreating on or near Lake Needwood and Lake Frank located within Rock Creek Regional Park. Park staff say microcystin-producing blue-green algae have been observed on the surface of Lake Needwood. The toxin can be harmful to people and pets. “Signs have been posted around Lake Needwood […]

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