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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). [1]
Cross section showing the water table varying with surface topography as well as a perched water table Cross-section of a hillslope depicting the vadose zone, capillary fringe, water table, and the phreatic or saturated zone. (Source: United States Geological Survey.) The water table is the upper surface of the phreatic zone or zone
Map of Texas City. Texas City is 10 miles (16 km) northwest of Galveston and 37 miles (60 km) southeast of Houston. According to the United States Census Bureau, the city has a total area of 186.58 square miles (483.24 km 2), of which 66.27 square miles (171.64 km 2) is land and 120.31 square miles (311.60 km 2), or 67.61%, is covered by water. [1]
Following is a list of dams and reservoirs in Texas. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...
In Texas, there are 98 of these districts, covering nearly 70% of the state, according to the Texas Water Development Board. The Upper Trinity Groundwater Conservation District has the following ...
A hack that caused a small Texas town’s water system to overflow in January has been linked to a shadowy Russian hacktivist group, the latest case of a U.S. public utility becoming a target of ...
III–12 Other significant settlements on the shores include Baytown, Texas City, and Galveston. [31] [32] [33] The estuary is a major shipping center, the heart of the Houston Ship Channel, and the Port of Houston, Port of Texas City, and Port of Galveston drive much economic activity on the waterways. [34]