Through the Years

seasonal_forecast_thresholds

Chart from Lake Erie Algae outlines bloom sizes since 2002

A severity index is used to measure the biomass of Harmful Algal Blooms.

 

2016 – moderate bloom expected, implications unknown at this time

2015 – record bloom, no impact on water. 10.5

2014 – small bloom in worst place, infamous water ban

2013

2012

2011 – 10

1979

Video below discussing the improvements in Lake Erie, and how they may not be permanent.

http://www.cbc.ca/i/caffeine/syndicate/?mediaId=1756885981