Des Moines struggling with nitrates in water
Friday, November 21, 2014 - 15:10
in Earth & Climate
DES MOINES, Iowa (AP) -- Two rivers that supply water to 500,000 people in the Des Moines area show nitrate levels spiking to levels that make it unsafe for some to drink, a concentration experts haven't before seen in the fall that likely stems from especially wet weather in recent months....