Vermont Apr 24, 2012 9:09:20 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Lisa Petrison on Apr 24, 2012 9:09:20 GMT -5 www.benningtonbanner.com/local/ci_20464431/2011-was-tough-year-environment-vt>Spring flooding and Tropical Storm Irene in late August added up to the largest deposits ever of algae-inducing phosphorus down rivers and into Lake Champlain, said the agency’s secretary, Deb Markowitz.