# 'Peak water' in the Ogallala Aquifer, USA?

According to the United States Geological Survey Report (USGS) Groundwater Depletion in the United States (1900–2008), the Ogallala Aquifer (or High Plains Aquifer) is a vital source of groundwater for a major agricultural region in the United States.

In the USGS report, there is evidence of significant and ongoing depletion of the aquifer. From the USGS report, the total depletion at the end of 2008 is about 341 km$^3$ and the rate of depletion at the time of writing the report was "continuing as high a rate as ever".

The Ogallala Aquifer is labelled as number 13, in the above USGS map.

Given the effects of climate change on aquifer recharge and drought cycles, coupled with the human depletion of the aquifer, is there any evidence that 'peak-water' could occur in the Ogallala Aquifer?

By 'peak-water', I am referring to a point where it becomes practically and economically impossible to pump water from the aquifer

This question is related to Recharge a dry aquifer?