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The 1972 amendments were also the first instance where Congress acknowledged the problem of NPS water pollution by requiring the states to prepare area-wide water quality management plans under Section 208. [24] [25] Congress passed additional amendments to the CWA in 1987 that address NPS water pollution. This section will chronologically ...
Sunset legislation passed by the Texas Legislature in 2001 changed the agency's name to the Texas Commission on Environmental Quality and continued the agency until 2013. During the special session of the 81st Legislature (2009), legislation was adopted amending the 2013 date to 2011, [ 4 ] when the agency was continued for an additional 12 ...
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]
A rosette sampler is used for collecting water samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality refers to the chemical , physical , and biological characteristics of water based on the standards of its usage.
Lake Buchanan, the largest of the Texas Highland Lakes. The Texas Highland Lakes are a chain of fresh water reservoirs in Central Texas formed by dams on the lower Colorado River. [1] The Texas Colorado River winds southeast from West Texas to Matagorda Bay and the Gulf of Mexico. The lower Colorado River basin has a history of major flooding.
The water rights to the lake are allocated to the city of Waco and the Brazos River Authority, although the lake is owned by the United States government. [26] There are numerous industries in the area that rely on water from the lake, including Purvis Industries, Packless Industries, and American Industrial Lifting Products.
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Located in South Central Texas, the Edwards Aquifer encompasses an area of approximately 4,350 square miles (11,300 km 2) that extends into parts of 11 counties. [3] The aquifer's boundaries begin at the groundwater divide in Kinney County, East of Brackettville, and extend Eastward through the San Antonio area and then Northeast where the aquifer boundary ends at the Leon River in Bell County ...