Aquifers are the primary source of drinking water for up to two billion people. To avoid overexploitation, lengthy renewal periods of some aquifers must be taken into account. The lengthy ...

A stony outcropping of the sponge-like rock that makes up the Ogallala Aquifer is exposed in the hills high above Scott State Fishing Lake in Scott County, Kansas. The lake is spring-fed from ...

The well, wide enough to fall into, taps into the Ogallala aquifer, the immense underground freshwater basin that makes modern life possible in the dry states of Middle America. We have come to ...