This may sound unusual, since Lake Mendota is not known for its clear water. In fact, in late summer, a Secchi disk usually only drops one meter into the green, murky water before it disappears. …
Read the full article at: https://blog.limnology.wisc.edu/2025/05/28/whats-behind-this-extended-phase-of-crazy-clear-water-in-lake-mendota/