Water Purification and Filtration

Ancient Roman Aqueduct

Today, I came across a captivating article discussing the history of water usage and purification, past to present, around the world. Although municipal water filtration has come a long way, there's further room for improvement in re-filtering once the water reaches the home. Planning to add a shower head filter and multi-media filter at the kitchen sink.
http://www.historyofwaterfilters.com

Independent nationwide 2009 water study evaluating over 200 contaminants unregulated or tested by water plants:
http://www.ewg.org/tap-water/home