by Heather Price, reposted from: http://sti-cs.org/2015/07/16/fancy-a-swig-water-quality-in-shallow-wells-in-kisumu-western-kenya/ We all know that access to sufficient clean water is vital for sustaining life. For us humans, the ideal scenario is that everyone can go to a tap in their house, turn it on, and an endless supply of clean water pours out. But currently more than 700 million…