This is part #3 of 5 videos. This is the presentation on Coachella Valley's water quality divide into 5 parts. It was given by Steve Bigley, director of environmental services for Coachella Valley Water District. The talk was part of CVWD's second annual "Toast to Tap Water" celebration. The event coincides with the start of Drinking Water Week, a national designation intended to raise awareness about the benefits of tap water.