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.

Group of scientists in a stream
One of the U.S. Geological Survey teams collecting water samples and checking cages for fish eggs in Missouri this summer: biologist Diana Papoulias, chemist Dave Alvarez, hydrologist Peter Van Metre, biologist Diane Nicks and environmental toxicologist Don Tillitt.
Photo by Abbie Fentress Swanson/Harvest Public Media