The 2009 algae bloom season extended from May to December. Twenty-one heath advisories were issued that were in effect for a total of 727 days (advisory-days). The number of public health advisories issued per year has increased from six in 2005 to 21 advisories in 2009. Get complete details in the 2009 Bloom Season Recap (pdf).
This map displays the location of each advisory (in sequence). See the chart for detailed information, including links to the original advisories. Links are displayed by the date an advisory was issued (start date) or lifted (end date)
Find historical advisory information by year in the algae archive