South
The Great Plains region of the US benefits from the Ogallala (or High Plains) Aquifer.
Ogallala.
One can find information about Ogallala aquifer on various websites like HPWD and Geography. Both websites offer a great amount of information about all kinds of products including the Ogallala aquifer.
The Ogallala aquifer is the most heavily used.
I believe you are looking for the Ogallala Aquifer.
Yes it is a renewable water source.
Nebraska
The High Plains are underlain by an enormous aquifer, the Ogallala Aquifer, which consists of thick sands and gravels running in a great north-south belt from Wyoming and South Dakota, through the sand hills of Nebraska, along the eastern border of Colorado and the western half of Kansas, through the panhandle of Oklahoma to northwest Texas.
The Ogallala Aquifer covers most of Nebraska.
The Ogallala Aquifer, which is also known as the Hiigh Plains Aquifer meets those specifications. It covers 174,000 square miles and provides water for the "breadbasket of America".
It withdraws to much water to quickly.