Lake Anna Algae Bloom Map 2025

Lake Anna Algae Bloom Map 2025. Lake anna contour map and water quality sampling locations. If you see what you suspect to be an algae bloom, please report it to the virginia department of health, even if a recreational advisory is already in place near your property.

For years state officials have issued periodic warnings against swimming, boating and fishing in lake anna because of toxic algae blooms. The great number of algal cells in the water results in what is called an algal bloom.