Suspected Harmful Algal Bloom Report - Freshwater
Cyanobacteria, which are sometimes referred to as blue-green algae, are tiny organisms that are naturally present in lakes and streams. Under certain conditions, they can spread quickly and form dense blooms in the waterbody. These blooms can be problematic since some cyanobacteria species produce toxins that are harmful to humans, pets, and wildlife. Click here for a general fact sheet on Cyanobacterial harmful algal blooms.
Please complete the following information to report a potential Harmful Algal Bloom (HAB) in a freshwater waterbody (e.g., lake, river, stream).