Finding clues to water quality in the bottom of a lake
Scientist Dan Engstrom, director of the St. Croix Watershed Research Station, studies the sediment on lake bottoms, which can show how — or even if — certain farming practices affect water quality.
"We're investing a lot in encouraging farmers to do these things, but are we getting much bang for our buck?"
Join Engstrom on the road to one of Minnesota's 11,842 lakes.
Gallery
Create a More Connected Minnesota
MPR News is your trusted resource for the news you need. With your support, MPR News brings accessible, courageous journalism and authentic conversation to everyone - free of paywalls and barriers. Your gift makes a difference.