Nitrate pollution still rising
Last week, U.S. Geological Survey scientists provided an update on 30 years of water quality tests that show a continuing increase in nitrate pollution at many points on the Mississippi … Read more
nitrate
Nitrate taints St. Peter groundwater
A Minnesota Public Radio report this week looked at the complicated – and costly – process the City of St. Peter uses to remove nitrate from city water. The nitrate … Read more
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 … Read more
Cover crops work, users say
Cover crops – typically grasses sowed into corn and soybean fields after the fall harvest – could reduce nitrogen losses to Minnesota streams and rivers by 10 percent if the … Read more
Major report documents extent of Minnesota nitrate pollution
Nitrate – much of it from fertilizers applied to farmland – pollutes many Minnesota rivers and streams and contributes to the oxygen-depleted “dead zone” in the Gulf of Mexico, a … Read more
Fertilizers pollute ground, surface waters
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 more
Zebra mussels in court; water conflicts loom
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 more
Nitrate in the Mississippi; carp DNA in St. Croix
Each week, the Freshwater Society 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 … Read more
USGS report documents nitrate pollution
Pollution of both surface and ground waters by two major contaminants – nitrogen and phosphorus – has failed to improve or has gotten worse since the early 1990s, a major new … Read more
USGS study find contaminants in private wells
More than one in every five private domestic wells sampled nationwide contain at least one contaminant at levels of potential health concern, according to a new study by the U.S. … Read more