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Water Quality TrendsWater Quality Trends
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 Water Soil Resources/Services Bulletin
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Nitrogen is one of the three main nutrients of life, along with phosphorus and carbon. Nitrate is an inorganic form of nitrogen that occurs naturally. It is also a component of atmospheric and wastewater pollution and elevated concentrations in streams may be associated with acidification or indicative of wastewater pollution. The following graphs present county-wide trends in nitrate nitrogen for each year that data were collected. High color values may exceed the maximum shown on the legend.
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