Run off a bigger issue than previously thought

American Chemical Society press release declaring water pollution resulting from run-off from homes has been underestimated by 50%.  Note that the study was done in Sac and OC. 

http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pageLabel=PP_ARTICLEMAIN&node_id=222&content_id=CNBP_022767&use_sec=true&sec_url_var=region1&__uuid=445d8525-e1a1-4827-8645-09171bdc1638