How could you stop the water from pouring out of a huge lake from a breech that's 2 blocks long?? I can't imagine a way .. the whole place is full of water already and now more is coming .. there is going to be more major drowning deaths. Dear Lord .. save these people.
http://www.waterstructures.com/Construction/Arcata-CA%20Levee/arcata_levee0.html
They managed to hold back the bloody Pacific Ocean!