The Ogallala Aquifer is not the only major groundwater source which has had notable declines because of drought in the southern United States. In south central Texas, the Edwards Aquifer has also had a big decline in its volume to the point that withdrawals from the aquifer have been cut by up to 35% — more than one third.

The Edwards Aquifer is located in south-central Texas and covers an area about 160 miles long from east to west and 80 miles from north to south. The aquifer supports the water supplies of almost 2 million people, including the cities of San Antonio and Austin.

Read more from Bryce Anderson with Progressive Farmer here.