[18 September 2015] USGS releases new tool for water quality: USGS has released a new tool usefull to predict pesticides in streams and rivers and to address the question where water quality might be at risk. See the press release and the Watershed Regression for Pesticides (WARP). In case of problems or comments concerning the CZCP Web Pages, mail to the web page administrator. This page is hosted by Tiwah UG, Germany.