Fig. 3From: Acute health effects associated with satellite-determined cyanobacterial blooms in a drinking water source in MassachusettsEstimates of cyanobacteria concentrations at the Wachusett drinking water intake during 2008–2011. Cyanobacteria concentrations were calculated as the maximum value of the five satellite pixels within a 900 m buffer of the drinking water intake. The shadowed data in December, January and February were not used in the statistical analysisBack to article page