Research Shows Soaring Nitrates Levels in Iowa Rivers

Posted in: Drinking Water News, United States Water News, Water Contamination
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Water and tea: Although many juices contain rich vitamin C, they also provide calories. Drinking water is always the best way for kids to quench thirst and keep hydrated. Photo Credit: KETV

Article courtesy of KETV | April 12, 2015 | KETV | Shared as educational material

DES MOINES, Iowa —Iowa farmers efforts to control the spread of nitrates in recent years appears to be helping but research shows that levels of the fertilizer byproduct have soared in the state’s major rivers.

The Des Moines Register reports that nitrate levels have more than tripled since the 1950s to more than 7 milligrams per liter in 2010.

Researcher Keith Schilling says the upward trend in nitrate levels is unmistakable. Schilling studies nitrate levels for the Iowa Geological Survey at the University of Iowa.

Last month, the Des Moines Water Works sued Buena Vista, Calhoun and Sac counties over high nitrate levels. The utility has invested in costly measures to control nitrates in drinking water.

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