Maybe you are referring to aquifers other than the Ogallala in terms of poisoning? Since Pickens seemed to have been trying to sell Ogallala water, it'd be strange time to unleash it.
The Ogallala (thanks for the correction, I don't spell it out very often), is a huge aquifer. T Boone's well is up North and not technically in the Permian Basin area.
http://www.businessweek.com/stories/2008-06-11/there-will-be...