Well, they wanted to control erosion - and now they have to control tamarisk. It is a garden case of a short blanket paradigm. Either your nose, or your feet [or both] will be out. And even if you contort like Houdini, it will be of little help.
It is estimated the tamarisk plant and Russian olive trees, both of which are nonnative species, occupy up to 1.6 million acres in the West...
“According to the Tamarisk Coalition, the western U.S. is probably losing anywhere from 2 to 4.5 million acre-feet of water per year,”...
A family of four uses about half an acre foot of water per year.