2 ms·Yep. It was easily cleaned up and apparently happens every year in the spring.by ajarmst 9y agoYep. It was easily cleaned up and apparently happens every year in the spring._h_o_d_ 9y agobut wasn't it designed to be self-sustaining without human input for long stretches of time?stouset 9y agoWhich it continues to be. Nothing near the vault was threatened. The only thing that flooded was the entrance.