By Paul Tuthill
http://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-666954.mp3
Northampton, MA – Homes and businesses in the city of Northampton Massachusetts will soon enjoy some of the purest tap water science can produce. The city today switched on its gleaming new 28 million dollar water filtration plant. WAMC's Pioneer Valley Bureau Chief Paul Tuthill reports....