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Addressing Concerns About Blue-Green Algae

July 16. 2010: Indiana Reservoir Update July 16. 2010: Indiana Reservoir Update

These are the most recent cyanobacterial cell counts. For protection of human health, the World Health Organization uses a guideline level of greater than 100,000 cells/ml for a high risk health alert in recreational waters.

  • Eagle Creek Reservoir: Total cyanobacterial cell counts were above 100,000 cells/ml 7/12/10.
  • Geist Reservoir: Total cyanobacterial cell counts were above 100,000 cells/ml on 7/12/10.
  • Morse Reservoir: Total cyanobacterial cell counts were above 100,000 cells/ml on 7/12/10.
  • Patoka Reservoir:
    • Main Reservoir - Total cyanobacterial cell counts were below 100,000 cells/ml on 7/8/10.
    • Lick Fork - Total cyanobacterial cell counts were above 100,000 cells/ml on 7/8/10.