Nitrates

June 7, 2016--USGS map reveals long-term changes in America’s groundwater quality (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.


January 24, 2015--Report: Farming and urban growth are polluting America’s aquifers (Circle of Blue)

Farming and urban growth, two forces that are reshaping the land surface, are also changing the chemistry and physical properties of the nation’s aquifers, leading to greater concentrations of natural and manmade pollutants that could persist for decades in essential underground water sources, according to a comprehensive U.S.


January 17, 2015--Earth’s ‘planetary boundaries’ disrupted by human activities (Environmental News Network)

Human activities have “dangerously compromised” four of the nine processes that are crucial to maintaining the stability of the planet, warns an international team of researchers .


October 25, 2014--Unsafe drinking water adds to California's drought misery (NBC News)

California is digging deep to get the drinking water it needs after one of the state's worst droughts on record. The problem is that the groundwater it is using is unsafe for nearly 800,000 residents, according to the state's water resources control board, because of longtime contamination from nitrates and arsenic.


June 23, 2014--849,610 pounds of toxic chemicals released into Colorado waterways (Denver Post)

Industrial polluters released 849,610 pounds of toxic chemicals into Colorado waterways in 2012, according to a report drawn from federal data. The most prevalent chemical — nitrates — causes algae growth that leads to dead zones in rivers and streams.


April 19, 2013--California failed to spend millions on water projects, EPA says (New York Times)

California has failed to spend $455 million of federal money meant to improve water infrastructure in the state, while thousands of people rely on groundwater laced with nitrates and other contaminants, federal regulators said Friday.


March 21, 2013--Forest stream study traces nitrates (Summit Voice)

Nitrates are increasing even in some pristine forest streams in the mountain West and the South, while declining in the Pacific Northwest, in the Northeast, and in Puerto Rico, according to a new study led by Oregon State University researchers. The long-term data from the Forest Service Experimental Forest and Range network, a system of 80 locations across the country.


March 14, 2012--Groundwater nitrate contamination grows in California farm areas (Los Angeles Times)

Nitrate contamination of groundwater in some of the state's most intensely farmed regions has grown worse in recent decades and will continue to spread, threatening the drinking water supplies of more than 250,000 people, according to a new study.


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