Found 27 datasets matching "Sparta Aquifer".
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The Sparta aquifer is a primary source of groundwater in north-central Louisiana. In 2015, more than 60 million gallons per day were withdrawn from the Sparta aquifer, of which over 90 percent was...
Search relevance: 234.74 | Views last month: 1 -
Since 1975, annual water use for Louisiana has been published on a 5-year basis and is used for a variety of purposes. As the Sparta aquifer is a heavily used aquifer, is the sole source of...
Search relevance: 206.12 | Views last month: 0 -
During the spring of 2001, water levels were measured in 427 wells in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana. Water-quality samples were collected for...
Search relevance: 192.67 | Views last month: 0 -
These datasets provide the locations of and groundwater-level altitudes from 273 wells that were used to construct a 2015 potentiometric contour surface of the Sparta-Memphis aquifer. Measurements...
Search relevance: 189.61 | Views last month: 0 -
This dataset contains 20-ft contours for the 2013 Sparta-Memphis aquifer potentiometric-surface map in Arkansas. The potentiometric-surface shows altitudes at which the water levels would have...
Search relevance: 187.83 | Views last month: 0 -
The U.S. Geological Survey (USGS), in cooperation with the Arkansas Natural Resources Commission, Arkansas Geological Survey, and the Union County Water Conservation Board, has monitored water...
Search relevance: 187.01 | Views last month: 0 -
Dataset contains 20-ft contours for the 2015 Sparta-Memphis aquifer potentiometric-surface map, in Arkansas. The potentiometric-surface shows altitudes at which the water levels would have risen...
Search relevance: 186.71 | Views last month: 0 -
This dataset contains the groundwater well locations and water-level measurements for 306 wells measured during the water-level survey of the Sparta-Memphis aquifer, in Arkansas, January through...
Search relevance: 181.37 | Views last month: 0 -
The groundwater-level change maps for the Sparta-Memphis aquifer are constructed as a point-to-point comparison between wells measured in both 2013 and 2015. Wells not measured in both 2013 and...
Search relevance: 178.47 | Views last month: 0 -
Dataset contains the groundwater well locations and water-level measurements for 273 wells measured during a water-level survey of the Sparta-Memphis aquifer in Arkansas, January through June...
Search relevance: 177.84 | Views last month: 0 -
The most widely used aquifer for industry and public supply in the Mississippi embayment in Arkansas, Louisiana, Mississippi, and Tennessee is the Sparta-Memphis aquifer. Decades of pumping from...
Search relevance: 177.14 | Views last month: 0 -
This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...
Search relevance: 175.44 | Views last month: 0 -
The Sparta aquifer is the principal source of ground water in north-central Louisiana. In 1985, the aquifer was extensively pumped for public supply (25 Mgal/d) and industrial use (29 Mgal/d and 7...
Search relevance: 173.83 | Views last month: 0 -
The groundwater-level change maps for the Sparta-Memphis aquifer are constructed as a point-to-point comparison between wells measured in both 2011 and 2013. Wells not measured in both 2011 and...
Search relevance: 171.56 | Views last month: 0 -
The Sparta aquifer is used in 15 parishes in north-central Louisiana, primarily for public supply and industrial purposes. Of those parishes, eight (Bienville, Claiborne, Jackson, Lincoln,...
Search relevance: 170.70 | Views last month: 0 -
This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...
Search relevance: 168.44 | Views last month: 0 -
This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...
Search relevance: 164.72 | Views last month: 0 -
The U.S. Geological Survey in cooperation with the Arkansas Natural Resources Commission, the Arkansas Geological Commission, and the Louisiana Department of Transportation and Development has...
Search relevance: 150.91 | Views last month: 0 -
During the spring and summer of 2020, the U.S. Geological Survey, Lower Mississippi – Gulf Water Science Center, conducted single well slug tests on selected wells within the Mississippi Alluvial...
Search relevance: 85.48 | Views last month: 0 -
Of the approximately 6.6 million people living in the Mississippi embayment (MISE) region in the central United States, approximately 65 percent rely on groundwater for their drinking water...
Search relevance: 44.17 | Views last month: 1
