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Ground Water Contamination
Ground water in the shallow alluvial aquifer at the Naval Weapons Industrial Reserve Plant in Dallas, Texas was contaminated with organic solvents such as trichloroethylene and its degrading products, dichloroethylene and vinyl chloride, and metal chromium. The organic solvents and various paints, metals, fuels, and chemicals were primarily used for the fabrication and assembly of aircraft and aircraft parts during its years of operation from 1941 to 2014. A case study done by the U.S Geological Survey (USGS) screened five production wells in Paluxy or Twin Mountains aquifers, where the wells were used for drinking water

A case study done by the U.S Geological Survey (USGS) screened five production wells in Paluxy or Twin Mountains aquifers, where the wells were used for drinking water

- FINDINGS/DETAILS:

- Using gamma radiation to

- Ground water in the shallow alluvial aquifer at the Naval Weapons Industrial Reserve Plant in Dallas, Texas was contaminated with organic solvents primarily used for fabrication and assembly of aircraft and aircraft parts

- 5 production wells at the site are cased through the alluvial aquifer and underlying units and are screened in either the Paluxy or Twin Mountains aquifers

- Wells Paluxy and Twin Mountains aquifers are used for drinking-water supplies in and around the Dallas-Fort Worth metroplex

- Detected chemicals: trichloroethylene and its degrading products, dichloroethylene and vinyl chloride, and the metal chromium were detected in the shallow alluvial aquifer

- An analysis of water-quality samples taken from the static water column of the 5 production wells

- The aquifer consists pf fine-grained alluvial sediments deposited over bedrock shale. The complex deposits of sediments with heterogeneous permeabilities, characteristic of alluvial deposits, typically yields a spatially variable permeability distribution with vertical anisotropy and, consequently, stratification of the ground-water plume

- Military and commercial aircraft have been built at NWIRP since operation began in 1941