The Sankoty aquifer is an aquifer in the U.S. state of Illinois that provides groundwater to a number of communities in northwestern and central Illinois...

sand, or silt). Aquifers vary greatly in their characteristics. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology...

The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the...

The Edwards Aquifer is one of the most prolific artesian aquifers in the world. Located on the eastern edge of the Edwards Plateau in the U.S. state of...

The Nubian Sandstone Aquifer System (NSAS) is the world's largest known fossil water aquifer system. It is located underground in the Eastern end of the...

This is a list of some aquifers in the United States. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains...

Patapsco aquifer Permian Sea Potomac–Raritan–Magothy aquifer Saginaw Aquifer San Diego Formation San Joaquin River aquifer Sankoty Aquifer Silurian–Devonian...

The Arabian Aquifer System is primarily located in Saudi Arabia but also in Jordan, Syria, Iraq, Kuwait, Bahrain, Qatar, United Arab Emirates, Oman, and...

The Mahomet Aquifer is the most important aquifer in east-central Illinois. Composed of sand and gravel, it is part of the buried Mahomet Bedrock Valley...

Rhine Plain close to the faults. Located below the plain, the Upper Rhine aquifer – one of the largest in Europe – holds an estimated 45,000 km3 (11,000 cu mi)...