2019 study sponsored by the Canandaigua Lake Watershed Association
The same researchers (Richard W. Smith, PhD and Stella C. Woodard, PhD.) recently found out that the foam can concentrate microcystin-LR (a common cyanotoxin) as well as PFAS (“forever chemicals” from nonstick coating, flame retardants, etc.). https://www.binghamton.edu/news/story/5161/why-is-pfas-enriched-foam-forming-on-some-of-the-cleanest-lakes-in-the-country (They are working on publishing the results in peer-reviewed journals.)