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EPA report says WA dairies likely nitrate source

October 1, 2012, Granger, WA — A long-awaited federal study released recently points at five Lower Valley dairies in Washington state and several farms, calling them “likely” sources of nitrates contaminating private drinking water wells.

Federal officials warn their 307-page study was limited and doesn’t prove a larger trend of nitrate contamination across the entire 576-square-mile area. The report authors do not blame the region’s entire nitrate problem on the dairies. READ MORE