If you identify any of them, or see a HAB advisory for the area, avoid the water.

Source: https://augustafreepress.com/news/be-on-the-lookout-for-harmful-algae-blooms-in-natural-water-this-summer/

It also is important to note that, as was the case with the legislation establishing the HAB, this bill makes no substantive changes to land use law.

Source: https://andoverbeacon.com/index.php/45592/louise-andruss-view-from-concord-february-2023/