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January 25, 2006
Tennessee experts discuss water quality
John McFadden, director of science and restoration programs at the nonprofit Harpeth River Watershed Association, says the major threat to water quality in Middle Tennessee is the region's rapid development and the sediment it puts into rivers and streams.
David Draughon, director of the division of water supply at the Tennessee Department of Environment and Conservation, says that water utilities in Tennessee adjust factors such as pH and alkalinity to reduce the corrosiveness of water to minimize lead and that over time the lead in pipes leeches out to leave a protective lead-free layer.
Steve Patch, director of the Environmental Quality Institute at the University of North Carolina at Asheville, suggests that homes contaminanted by lead should get water filters bearing the NSF (National Sanitation Foundation) seal.
As for bottled water, Fred Guengerich, who directs the Center in Molecular Toxicology at Vanderbilt University Medical Center said, "It's actually tested less than the tap water is," as reported by the Robertson County Times.
Posted by Stephen Betheil at January 25, 2006 01:42 PM
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