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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 United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas).
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.
A water resource region is the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units as part of the U.S. hydrologic unit system . This first level of classification divides the United States into 21 major geographic areas, or regions.
Due to sedimentation and other factors that affect a reservoir's storage capacity over time, some data listed might not accurately reflect actual current conditions in certain reservoirs. For example, Lake Mead – the largest reservoir in the U.S. – could store more than 32.4 million acre-feet (40.1 km 3 ) when first filled, but sediment ...
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
Description. Map of USA with state names.svg. English: A map of the United States, with state names (and Washington D.C.). Source. See below. Author. The original was edited by Andrew c to include Nova Scotia, PEI, Bahamas, and scale key. It was originally uploaded to the English Wikipedia with the same title by Wapcaplet :
The Sites Reservoir is a proposed offstream reservoir project west of Colusa in the Sacramento Valley of northern California, to be built and operated by the Sites Project Authority. The project would divert water from the Sacramento River upstream of the Sacramento–San Joaquin River Delta, through existing canals to a new reservoir 14 miles ...
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