See, here is the thing about this part of the US... its not just the Natives, we're getting into a real Water War situation there in earnest now. To the point that its alarming how quickly short-term profiteering is creating so many consequences.
I think the tipping point started when California and Colorado had to renegotiate its water deviation from the Colorado River, but its only intensified since then. Vice did a really sobering documentary on it early this year that will do a better job that I can regarding the situation with the Natives:
I going to bookmark this and write up an article outlining the situation in CO a bit better and the dire implications its having and its affects soon.