Edwards Aquifer is one of the most prolific artesian aquifers in the world.
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15 Facts About Edwards Aquifer
2.
Additionally, the Edwards Aquifer feeds the Comal and San Marcos springs, provides springflow for recreational and downstream uses in the Nueces, San Antonio, Guadalupe, and San Marcos river basins, and is home to several unique and endangered species.
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3.
The main geologic unit, known as the Edwards Aquifer Limestone, is tilted downward toward the south and east and is overlain by younger limestone layers as well as several thousand feet of sediments.
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4.
The Edwards Aquifer is a group of limestones and is considered a highly heterogenic aquifer.
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5.
The Devils River Trend unit of the Edwards Aquifer is composed mostly of Devils River Limestone with a thickness of approximately 550 feet.
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6.
Edwards Aquifer is a highly productive karst aquifer made up of Edwards Group limestones.
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7.
The Edwards Aquifer limestone is variable in hydrologic character, but is generally highly porous and permeable, which makes it able to hold and move a lot of water.
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8.
The eastern portion of the Aquifer falls in a Humid subtropical climate, while the western has a semi-arid steppe climate The average annual temperature on the Edwards Plateau is 66 degrees Fahrenheit and the average annual precipitation amounts to 25.
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9.
Edwards Aquifer is home to a large number of invertebrate species, 40 of which have been described.
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10.
The Edwards Aquifer has the highest recorded diversity of stygobites in the world.
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11.
The Edwards Aquifer is the sole environment for the rare Barton Springs salamander, which is a federally listed endangered species.
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12.
EAA was created as a result of Edwards Aquifer Authority Act enacted by Texas State Legislature in 1993.
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13.
Legislature for protection of the Edwards aquifer began in 1959 with the creation of the Edwards Underground Water District, which created and supplied maps and worked with licensing departments for development interests.
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14.
Water from the Edwards Aquifer is discharged in two ways: it is either pumped from wells or it leaves as stream outflow .
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15.
In 2013, the U S Fish and Wildlife Service approved Edwards Aquifer Authority's Habitat Conservation Plan, which is a regional 15-year plan designed to protect the water flow and species in the Edwards Aquifer region.
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