This is what University of Oregon is good at:
http://www.sfgate.com/news/article/Oregon-frat-trashes-Lake-Shasta-littering-7942249.php
"Rangers say they've already gathered 10 cubic yards(!) of garbage from the scene with more cleanup left to do. (A full-size pick-up truck bed usually holds just 3 cubic yards). They're unsure whether the area will be completely clean in time for Memorial Day weekend."
Fraternity Lambda Chi Alpha has been suspended.