In some places, in some cases, and at some times, harmful algal blooms are the greatest threat to inland water quality - Brooks, Bryan; Lazorchak, James; Howard, Meredith D.A.; Johnson, Mari-Vaughn; Morton, Steve; Perkins, Dawn; Reavie, Euan; Scott, Geoffrey; Smith, Stephanie; Steevens, Jeffery A. (Environmental Toxicology and Chemistry, 2017)