Big Water Losses

By Janet Raloff, 14:38 PM October 21, 2008

Public utilities spend a fortune each year cleaning water and supplying it to distribution lines that feed our faucets. Much of that water, however, is lost en route. Corrosion is rusting through water mains, opening holes that allow, on average, some 15 percent of the starting flow to disappear into the ground, notes Marc Edwards, an environmental engineer at Virginia Tech, in Blacksburg. The estimated cost of those losses: $3 billion annually.

But financial waste is not the leaks’ only cos...

Source URL: