Trinity River Vision Eminent Domain and Stability

Seems they are just now testing the stability of the Trinity River bottom for flood gates.  Shouldn't that have been done early on in the game?  Shouldn't that have been done before displacing 90 long time property owners?  Or committing the taxpayers to a billion dollars without a say?  WHO is managing this project?

What will the cost be when it's determined unstable? 

What will the cost be when the "leaders" of the project are?

Unlike the Trinity River Vision Wakeboard article in today's Fort Worth Star-Telegram, this one did have the standard line of Trinity River Vision "flood control"...guess it's only a flood control project when they're taking someones property or taking money from the Federal Government.  What happens when they say no? WHO PAYS?