lake needwood warning

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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July 24, 2013 | Staff Writer

Lake Needwood picture

Lake Needwood Warning

Montgomery Parks officials are asking residents to use caution at Lake Needwood, which is located within Rock Creek Regional Park. Testing has shown there are elevated levels of Microcystin a toxic substance produced by blue-green algae (cyanobacteria), in the 75-acre lake. If ingested, the algae can cause serious harm to the liver of humans and pets. Montgomery […]

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