Ohh the update is in #2459... and I finally understand what you are referring to :) The quote about 3 breaches was from Nat'l Guard not Engineers. (I know nothing about the technicalities, so was under the same impression that a breach is a break, not just flowing over the top, which added to my confusion about what reporters were saying).
National Guard guy, live on FoxNews about 10 minutes ago, said the flow is an overtopping. That meaning that the water will stop flowing once the canal level reaches the level level. That is, unless the levee fails further.