The U.S. Geological Survey has released trends in nitrate and chloride pollution of groundwater across the country. Check out data from Minnesota. Read up on the debate in Congress over requiring farmers to comply with minimum conservation standards as a condition of qualifiying for subsidized crop insurance. And learn about elections coming up for Minnesota soil and water conservation districts. Go to the Freshwater Society Blog, scroll down to the May 7 post and follow its links to these articles and many more.