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. http://www.latimes.com/news/local/la-me-water-nitrate-20120314,0,6923826.story
Article courtesy of The Los Angeles Times by Bettina Boxall
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