WIUM Tristates Public Radio

Environmental Working Group

BRIAN SEIFFERLEIN / HARVEST PUBLIC MEDIA FILE PHOTO

A new analysis of drinking water systems shows communities in five Midwest states have legal but potentially worrying levels of nitrates. The Environmental Working Group (EWG) found nitrate levels in IowaIllinoisKansas, and Oklahoma are trending up.

Grant Gerlock/Harvest Public Media

Rod Christen and his sister Kay farm corn, soybeans, and wheat on the family’s land near the small town of Steinauer in southeast Nebraska, but their main crop is grass.