Tuesday, July 19, 2016

'Very high'

Study: Pipe-corroding well water risky in Atlantic states

USGS

Washington Post

Untreated groundwater in Maryland and almost a dozen other states carries a “very high” risk of being so corrosive that it could contaminate drinking water, according to the U.S. Geological Survey. The review is the first nationwide examination of the corrosivity of groundwater, prompted by the crisis in Flint, Mich., according to one of the study's authors. It found the highest risk of corrosive water along the Atlantic coastal plain.

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Va. coal ash case could have national implications

Christian Science Monitor

Coal ash disposal sites could soon look different to avoid leaching arsenic and other heavy metals into groundwater, depending on the outcome of a potentially landmark trial in Virginia. A key question in the ruling is whether the Clean Water Act applies to tainted groundwater connected to surface water. “It’s always been a real gray area,” said Robert Percival, director of the environmental law program at the University of Maryland.

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Study finds micropollutants in Hudson estuary

Northeast Public Radio

A first-of-its-kind study released last week points to a long and varied list of micropollutants in the Hudson River estuary. Dozens of products were detected, from pesticides to pharmaceuticals. Two scientists from the Cornell University School of Civil and Environmental Engineering conducted the study, analyzing 24 water samples drawn from eight locations between the Mohawk River’s confluence with the Hudson and the Tappan Zee Bridge.

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