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Posted on: July 1, 2021

Harmful Algae Bloom Advisory Issued for Upper Pamunkey Branch – Lake Anna


(Richmond, Va.) – The Virginia Department of Health is advising that the Upper Pamunkey Branch of Lake Anna in Orange and Spotsylvania counties is experiencing a harmful algae bloom (HAB). The public is advised to avoid contact with the lake in this area until algae concentrations return to acceptable levels. Some harmful algae, called cyanobacteria, can cause skin rash and gastrointestinal illnesses, such as upset stomach, nausea, vomiting and diarrhea. The area to avoid can be seen on an interactive map at 

Full details are available at 

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