[et_pb_section fb_built=”1″ _builder_version=”3.0.47″][et_pb_row _builder_version=”3.0.48″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”4_4″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_text _builder_version=”3.19.6″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”] Once upon a time, most freshwater was pure and drinkable.  Back then, a major risk was contracting a waterborne infection such as giardia. Now, contaminants from factories, industrial farms, and transportation hubs permeate the water table. Industrial waste and agrochemical runoff […]