U.S. Environmental Protection Agency
Nutrient pollution can damage drinking water sources; increase exposure to harmful algal blooms, which are made of toxic microbes that can cause damage to the nervous system or even death; and form byproducts in drinking water from disinfection chemicals, some of which have been linked with serious human illnesses like bladder cancer. Phosphorus and nitrogen pollution come from stormwater runoff, municipal wastewater treatment, fertilization of crops and livestock manure. Nitrogen also forms from the burning of fossil fuels, like gasoline. See EPA for full
Can anyone say 'ethanol corn belt run off rule'- (ie dead zone)?
Link source Shirl Kennedy DocUticker