The primary public health concerns associated with Lake Tahoe's nearshore are (1) harmful algal blooms; and (2) bacteria concentrations.
The first known harmful algal bloom occured in the Lake Tahoe Keys in August 2017. The level of measured cyantoxins was below any health concern, but the area was posted to protect pets.
The most recent comprehensive bacteria survey was conducted in 2009 as part of previous shorezone ordinance
No Monitoring Programs are yet associated with this Focus Area.