Whitney Nelson died after a two-vehicle crash near Glencoe Tuesday.
More than 30 cases are linked to workers at the plant.
A 75-year-old man's body was found near the shore. His pontoon was about 20 feet from his dock.
A second person believed to have been in the SUV has not been arrested.
The crash happened in Lonsdale just prior to 5:30 p.m. Monday.
Hardest hit appears to be western Carver County.