Naval Weapons Industrial Reserve Plant, Dallas

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Naval Weapons Industrial Reserve Plant, Dallas
Part of United States Navy
Dallas, Texas
Coordinates 32°44′27″N96°58′47″W / 32.74083°N 96.97972°W / 32.74083; -96.97972 Coordinates: 32°44′27″N96°58′47″W / 32.74083°N 96.97972°W / 32.74083; -96.97972
TypeWeapons Plant
Site information
Controlled byUnited States Navy
Open to
the public		No

Naval Weapons Industrial Reserve Plant, Dallas (NWIRP) was a government-owned, contractor-operated (GOCO) facility operating from 1941 to 2014 which had the mission of designing, fabricating, and testing prototype weapons and equipment, and is located in Dallas, Texas. [1] The NWIRP first began as an aerospace manufacturing complex constructed for the World War II mobilization program. [2] In 2012, the plant was sold to a private corporation for $357,500. [3] It was located for most of its time next to Naval Air Station Dallas, now known as the Grand Prairie Armed Forces Reserve Complex.

Contents

History as a Military Facility

The T-6 Texan plane was originally developed on the Naval Weapons Industrial Reserve in Dallas Texas. It was used to train the Royal Air Force and U.S Armed Forces. AT-6C Texans in flight 1943.jpg
The T-6 Texan plane was originally developed on the Naval Weapons Industrial Reserve in Dallas Texas. It was used to train the Royal Air Force and U.S Armed Forces.

The Naval Weapons Industrial Reserve Plant, Dallas was originally named Plancor No.25 in 1941. During its times of operation, they have supported World War II and Cold War warfighters with innovative armaments, space exploration program with NASA, and the Department of Defense acquisition enterprise. The plant itself consisted of about 85 federal buildings that stretched over 153 acres of land in Dallas and Grand Prairie, Texas. [4]

From August 1941 to August 1945, North American Aviation leased the government owned contractor-operated plant and produced 30,000 aircraft for the Navy and Army. The T-6 Texan was a single engine aircraft and the first aircraft manufactured on the reserve plant that was primarily used to train pilots in the U.S armed forces and Royal Air Force for over 30 years. The T-6 has a variety of names during its time of operation. The U.S Army Air Corps and Air Force referred to the plane as the AT-6 while the U.S Navy, the SNJ, and British Commonwealth air forces called it the Harvard. In 1948, the plane was re-designated as the T-6 Texan and a total of 15,495 aircraft were built. Today, the T-6 Texan is used for airshow demonstrations and static displays and remains a popular historical warbird aircraft. [5]

Water Contamination

During the 1940s, the Naval Weapons Industrial Reserve Plant released volatile substances of petroleum products, volatile organic compounds (VOCs), polychlorinated biphenyls (PCBs), metals, and other hazardous chemicals (zinc, lead, and chromium) into Mountain Creek Lake and other neighboring water ways. The primary use of these chemical substances were for the fabrication of aircraft, aerospace equipment, and prototype weapons. This contaminated release from the facility occurred from building productions on the plant, aircraft operations, solid waste management units, and various storage areas. [6] In the 1980s, a Resource Conservation and Recovery Act (RCRA) was conducted at the plant to confirm that there was contamination from the substances found in surface waters, groundwater, soils, and sediments in Mountain Creek Lake and surrounding areas. The Department of Defense (DOD) was then notified about the NWIRP hazardous water contamination in 1991. [7]

Mountain Creek Lake consisted of high levels of dioxins and polychlorinated biphenyls (PCBs) found in fish tissue, which therefore initiated Aquatic Life order Number 12, a ban of any possession or consumption of fish by the Texas Department of Health (TDH). The primary mechanism for the release of the substances from the facility were through site operations, waste disposal, leaks, and spills. Stormwater and ground water runoff released substances into Mountain Creek Lake, which then flowed into Cottonwood Bay through a connected canal. Surrounding wildlife, including bird species and plants, had possible ecological exposure through the contaminated surface water, sediments, and soil by ingestion, foraging, and direct/indirect contact. [6]

The groundwater in the shallow aquifer at the Naval Weapons Industrial Reserve Plant in Dallas, Texas also confirmed contamination with organic solvents such as trichloroethylene and its degrading products, dichloroethylene and vinyl chloride, and metal chromium. The aquifer identified at NWIRP consisted of fine alluvial sediments of clay, sand, and silt, with a bedrock shale along the bottom, creating an underlying enclosed unit. Using portable geophysical well-logging equipment containing natural gamma-ray and EM-induction sonde, 162 polyvinyl-chloride-cased wells at NWIRP were logged for contamination during July and August 1997. The chemical analysis of the tested wells produced a high level of trichloroethane up to 27,000 micrograms per liter. [8]

Closure and Redevelopment

Triumph Aerostructures announced that the aircraft manufacturing plant would close in early February 2014 after 73 years of operation. [9] After two years of redevelopment, [10] The Home Depot opened a large distribution center on the site in 2021. [11]

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References

  1. ↑ Kalthoff, Ken (29 July 2011). "Government Peddles Property as Congress Fights Over Debt". KXAS . Retrieved 10 July 2013.
  2. 1 2 "Dallas plant closure marks end of historic industrial impact". DVIDS. Retrieved 2022-12-03.
  3. ↑ "Federal Excess Properties". Whitehouse.gov. Retrieved 10 July 2013.
  4. ↑ "DCMA NewsRoom". www.dcma.mil. Archived from the original on 2016-03-04.
  5. ↑ YDP (2020-07-01). "North American T-6 Texan". National Museum of World War II Aviation. Retrieved 2022-12-03.
  6. 1 2 Texas Parks and Wildlife Department; Texas Commission on Environmental Quality; Texas General Land Office (May 2021). "Mountain Creek Lake: Naval Air Station Dallas and Naval Weapons Industrial Reserve Plant" (PDF).{{cite web}}: CS1 maint: multiple names: authors list (link)
  7. ↑ Wilson, Jennifer T. (2002). "Chemical Data for Bottom Sediment in Mountain Creek Lake, Dallas, Texas, 1999-2000" (PDF).
  8. ↑ "Borehole geophysical logs at Naval Weapons Industrial Reserve Plant, Dallas, Texas | U.S. Geological Survey". www.usgs.gov. Retrieved 2022-12-06.
  9. ↑ Sakelaris, Michael (9 December 2013). "Triumph will close Dallas plant, putting 400 jobs at risk". Dallas Business Journal. Retrieved 27 February 2022.
  10. ↑ "Home Depot plans multi-million-square-foot distribution centre in Grand Prairie Texas". Reuters Events. 15 January 2019. Retrieved 27 February 2022.
  11. ↑ "Home Depot Opens Massive Dallas Distribution Center". Industrial Distribution. 2 February 2021. Retrieved 27 February 2022.


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