Iowa city facing challenges downstream of agriculture

Iowa city facing challenges downstream of agriculture Posted November 23, 2015 You’ve probably seen it in the news: Des Moines Water Works is suing three upstream drainage districts over costs to remove nitrates from drinking water. At the root of the lawsuit is who should be responsible for the pollution – those who have to clean … Read more Iowa city facing challenges downstream of agriculture

Nutrient strategy hearings

Do you have questions you want to ask, or comments you want to make, about the Minnesota Pollution Control Agency’s draft strategy for reducing nitrogen and phosphorus in the Mississippi and Red rivers? The strategy calls for wringing a 20 percent reduction out of the more than 250 million pounds of nitrogen that Minnesota sends … Read more Nutrient strategy hearings

Nitrate in Mississippi up 55% over 30 years

Continuing research on the amount of nitrate washing down the Mississippi River south of the Minnesota border shows a very significant increase in the yearly loads of the pollutant from 1980 through 2010. But the latest U.S. Geological Survey analysis of the three decades of water sampling results now shows a reduction in the average … Read more Nitrate in Mississippi up 55% over 30 years

EPA gets deadline in lawsuit

A federal judge in Louisiana has given the Environmental Protection Agency six months to decide whether to set federal Clean Water Act standards for nitrogen and phosphorus in all U.S. waterways or explain why they are not needed. The ruling came this month in a lawsuit filed by a coalition of environmental groups, including the … Read more EPA gets deadline in lawsuit

Nitrogen flush headed for Gulf

Last summer’s drought in the big parts of the Midwest stunted crops and left lots of nitrogen fertilizer – much of which normally would have been taken up by plants and converted to grain — in the soil of farm fields. This year’s wet spring flushed lots of that leftover nitrogen down the Mississippi River. … Read more Nitrogen flush headed for Gulf

Video profiles Dave Legvold

Dave Legvold, a Northfield-area farmer, measures his corn crop’s success in dollars, not bushels. And that often means limiting nitrogen fertilizer use in ways that save him money while also reducing pollution in the streams and lakes downstream from his fields. View a Minnesota Pollution Control Agency video in which Legvold talks about using an … Read more Video profiles Dave Legvold

Star Tribune editorializes on nitrogen pollution

The Star Tribune, in a July 12 editorial, praises what it calls a “painfully honest” appraisal by the Minnesota Pollution Control Agency of our state’s nitrogen pollution problem. The report, issued in late June, documented that more than 70 percent of the nitrogen pollution of lakes and streams comes from agriculture. The editorial calls on … Read more Star Tribune editorializes on nitrogen pollution

Freshwater statement on MPCA nitrogen pollution report

The Freshwater Society made this statement about the Minnesota Pollution Control Agency’s report on nitrogen pollution of surface waters: The MPCA report is good work. It demonstrates the magnitude of Minnesota’s nitrogen pollution problem – 306 million pounds per year flowing into our rivers and streams. That nitrogen imperils fish and other aquatic life both … Read more Freshwater statement on MPCA nitrogen pollution report

Water, science and the environment

The Freshwater Society blog publishes a digest of important regional, national and international articles and research on water and the environment. Scan the articles here, then follow the links to read the articles in their entirety where they originally were published. Hypoxia Task Force looks to reduce nitrogen The drought has temporarily done this year … Read more Water, science and the environment

Nitrogen; invasive species; water infrastructure

The Freshwater Society blog publishes a digest of important regional, national and international articles and research on water and the environment. Scan the articles here, then follow the links to read the articles in their entirety where they originally were published. Save the date: Nitrogen pollution lecture set Oct. 4 Nitrogen. It makes up three-fourths … Read more Nitrogen; invasive species; water infrastructure