NRD map shows rising nitrate levels in area drinking water
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Zones 5, 6, 11 all above acceptable nitrate levels for drinking water
A groundwater quality map released in September by the Upper Big Blue Natural Resources District (NRD) shows a disturbing trend. Most of the dozen zones within the district show rising levels of nitrates in water samples taken from the Ogallala Aquifer, and three zones in a large area stretching from a few miles east of Aurora to east and south of Seward are colored dark purple, indicating they...