on October 1, 2010
Despite Efforts, Nation's Streams, Groundwater Still Threatened By Nutrient Pollution
In spite of years of efforts to control and reduce pollution in the nation's streams and groundwater supplies, a study by the Interior Department's U.S. Geological Survey finds that concentrations of nitrogen and phosphorus have remained the same or...
In spite of years of efforts to control and reduce pollution in the nation's streams and groundwater supplies, a study by the Interior Department's U.S. Geological Survey finds that concentrations of nitrogen and phosphorus have remained the same or increased in many streams and aquifers across the nation since the…