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239 search results for: arsenic

157

USGS Map Reveals Long-Term Changes in America’s Groundwater Quality

Further studies needed to explain contamination trends. By Brett Walton, Circle of Blue Chloride and nitrate concentrations are rising and arsenic levels are holding steady or falling. Those are two of the conclusions from a U.S. Geological Survey assessment of changes in the nation’s groundwater quality in the last two decades. The federal science agency […]

159

Federal Water Tap, May 9: President Obama Criticizes ‘Corrosive’ Political Attitude During Flint Visit

The Rundown Obama criticized the political culture of neglect that resulted in the Flint water crisis. Nuclear regulators say risk of groundwater contamination from using Yucca Mountain as a waste dump is small. Federal officials signed off on a California recycled water project. Arsenic in shallow household wells may be to blame for a rise […]

161

The Stream, March 15: Pakistan Experiments With Small Hydropower

The Global Rundown Rural communities in the mountains of Pakistan are using small hydropower plants to produce electricity and reduce the amount of trees cut down for wood fuel. Rising sea levels threaten millions of people in the coastal regions of the United States, according to a new study. A drought and saltwater intrusion in […]

163

Lawsuits in Three States Target Groundwater Pollution under Clean Water Act

U.S. water law confronts hydrology. Photo courtesy of Flickr Creative Commons user Waterkeeper Alliance Coal ash ponds near the Cape Fear River, in North Carolina. Click image to enlarge. By Brett Walton Circle of Blue The Clean Water Act, the landmark environmental statue that Congress passed in 1972, does not explicitly regulate the pollution of […]