KILL THE LITTLE SOB's!!!! I hate beavers. I took care of my problem at my house pond about 3 weeks ago and yes there were 2 of them it turned out. A few years back you guys may remember this post.
http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=210498&page=1I lost all love for the furry little varmint after this happened. 1200$$$ worth I hope they tasted good.