2020 Jan - Feb
In the month of January 2020, Harbor Isle Lake had at least 12 documented days of visible toxic cyanobacteria concentrations within the lake, in addition to the noxious strong odors being emitted from these concentrations.
For February 2020, there was at least 21 documented days of toxic blooms and odors in Harbor Isle Lake.
Jan 16 2020
Southeast Lobe
Feb 9 2020
Southern (Entrance) Lobe
Feb 11 2020
Northwest Lobe
Yellow line shows distance of bloom's scum from shore
Feb 11 2020
Northwest Lobe
Alternate Angle
Feb 12 2020
Northwest Lobe
Feb 14 2020
Southeast Lobe
Feb 14 2020
Southern (Entrance) Lobe
Feb 17 2020
Southern (Entrance) Lobe
Feb 17 2020
Northwest Lobe
Feb 18 2020
Northwest Lobe
Feb 19 2020
Southern (Entrance) Lobe
Feb 23 2020
Southern (Entrance) Lobe
Feb 24 2020
Northwest Lobe
Feb 28 2020
Southeast Lobe