![]() ![]() The second round of monitoring well installation began the week of December 12th 2011, and resumed the week of January 2nd 2012. The extent of one or more volatile organic chemicals (VOCs) is illustrated in the colors of the respective plume areas for tetrachloroethene (PCE) as shown in purple, trichloroethene (TCE) as shown in green, cis-1,2-dichloroethene (cis-1,2-DCE) as shown in red, 1,4-dioxane as shown in blue, and 1,1-dichlorothene (1,1-DCE) as shown in yellow. The following site map illustrates the public and private water supply wells and the monitoring wells installed in June 2011. Ground water flow in the aquifer is generally to the south-southwest. The Triassic red beds form the base of the aquifer. The water table is shallow as 19 feet below the ground surface in the Ogallala aquifer and the base of the lower Trinity aquifer is approximately 95 – 105 feet below ground surface. ![]() The Trinity and Ogallala aquifer is the only ground water source for drinking water in the site area. The contaminant plumes are located along County Road 1290, between Interstate 20 to the south, and Interstate Business 20 to the north, in the western part of Midland County. The Site consists of three contaminated ground water plumes originating from an unidentified source(s). ![]()
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