Less phosphorus linked to decline in Great Lakes fish

New research by the U.S. Geological Survey finds that prey fish and phytoplankton – microscopic organisms that feed other animals – are seriously declining in the Great Lakes. One of the surprising reasons for the decline seems to be reductions in the phosphorus entering the lakes since the 1972 Great Lakes Water Quality Agreement was … Read more Less phosphorus linked to decline in Great Lakes fish

New USGS report on streams

A new U.S. Geological Survey report on the water quality of rivers and streams across the country describes damage caused by reductions in flows and increased pollution from fertilizers and pesticides. The report, based on research conducted between 1993 and 2005, examines changes in algae, macroinvertebrates and fish. Stream health was reduced at the vast … Read more New USGS report on streams

DNR sued over White Bear Lake drop

A new lawsuit accuses the Minnesota Department of Natural Resources of failing to properly regulate groundwater pumping by a number of communities ringing White Bear Lake. The suit, filed in Ramsey County District Court by an organization representing White Bear residents and businesses, comes as the lake has reached an all-time record low level. A … Read more DNR sued over White Bear Lake drop

Arsenic, Asian carp and a climate poll

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 to read the articles in their entirety where they originally were published. Arsenic often found in water samples About 20% of untreated water samples from … Read more Arsenic, Asian carp and a climate poll

Curly leaf pondweed: nice beat, easy to dance to

Each week, the Freshwater Society publishes a digest of the best regional, national and international articles about water and the environment. Scan the articles here, then follow the links to their original sources. Iowa plans $455 million pollution fight Iowa is about to launch its biggest assault ever on river and lake pollution – a … Read more Curly leaf pondweed: nice beat, easy to dance to

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. Geological Survey. The study was released this morning. USGS scientists sampled about 2,100 private wells between 1991 and 2004 in 48 states and found that … Read more USGS study find contaminants in private wells