Scientists Check Midwestern Waters For Effects Of Ag Runoff

A team from the U.S. Geological Survey will spend this summer collecting water samples from Missouri streams to test for hundreds of pesticides and nutrients used in farming.

Scientists with minnow eggs
At Goodwater Creek near Centralia, Mo., U.S. Geological Survey biologists Diana Papoulias and Diane Nicks pull up six cages of fishhead minnows. They’re checking for eggs.
Photo by Abbie Fentress Swanson/Harvest Public Media