Storm runoff and sewage treatment outflow contaminated with household pesticides

Storm runoff and sewage treatment outflow contaminated with household pesticides
http://www.berkeley.edu/news/media/releases/2010/02/02_household_pesticides.shtml   
 
"Pyrethroids, among the most widely-used home pesticides, are winding up in California rivers at levels toxic to some stream-dwellers, possibly endangering the food supply of fish and other aquatic animals, according to a new study by researchers at the University of California, Berkeley, and Southern Illinois University (SIU)."