Hanford Site, Washington

E1260

Superfund site United States Department of Energy facility nuclear production complex

Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.

Aliases (17)

Hanford Site ×83
Hanford Engineer Works ×9
Hanford plutonium production complex ×5
Hanford Nuclear Reservation ×2
Hanford nuclear site ×2
Hanford, Washington ×2
Manhattan Project National Historical Park (Hanford unit) ×2
Columbia River corridor near Hanford Site ×1
Hanford Generating Plant ×1
Hanford Site (historical weapons production) ×1
Hanford Site 100-K Area ×1
Hanford Site production reactors ×1
Hanford Site, Washington State ×1
Hanford nuclear reservation ×1
Hanford tank farms ×1
Site W, Hanford production complex ×1
T Plant, Hanford ×1

Statements (58)

Predicate	Object
instanceOf	Superfund site → United States Department of Energy facility → nuclear production complex →
area	approximately 1,518 square kilometers → approximately 586 square miles →
builtFor	Manhattan Project →
cleanupContractor	Bechtel National, Inc. → Hanford Mission Integration Solutions → Washington River Protection Solutions →
country	United States →
currentPrimaryActivity	environmental cleanup →
environmentalConcern	Columbia River protection → groundwater contamination → soil contamination →
established	1943 →
governingAgreement	Hanford Federal Facility Agreement and Consent Order → Tri-Party Agreement →
historicDesignation	Manhattan Project National Historical Park (Hanford unit) →
knownFor	major Cold War plutonium production center → one of the most contaminated nuclear sites in the United States →
locatedIn	Washington state →
locatedOnRiver	Columbia River →
managedBy	U.S. Department of Energy →
nearestCity	Kennewick, Washington → Pasco, Washington → Richland, Washington →
notableFacility	B Reactor National Historic Landmark →
originalOperator	U.S. Army Corps of Engineers →
ownedBy	U.S. federal government →
partOf	U.S. nuclear weapons complex →
plutoniumProductionEnded	late 1980s →
producedMaterialFor	Fat Man atomic bomb → Trinity test device → U.S. Cold War nuclear weapons stockpile →
reactor	B Reactor → C Reactor → D Reactor → DR Reactor → F Reactor → H Reactor → K-East Reactor → K-West Reactor → N Reactor →
reactorType	graphite-moderated plutonium production reactor →
region	Benton County, Washington → Franklin County, Washington → Grant County, Washington →
regulator	U.S. Environmental Protection Agency → Washington State Department of Ecology →
status	decommissioned nuclear production site →
storageFacility	underground double-shell tanks → underground single-shell tanks →
timePeriodOfMajorProduction	Cold War → World War II →
wartimePurpose	plutonium production for nuclear weapons →
wasteType	high-level radioactive waste → mixed hazardous and radioactive waste → transuranic waste →

Referenced by (58)

Subject (surface form when different)	Predicate
B Reactor ("Hanford Engineer Works") → C Reactor ("Hanford plutonium production complex") → D Reactor ("Hanford Engineer Works") → D Reactor ("Hanford Nuclear Reservation") → F Reactor ("Hanford Engineer Works") → F Reactor ("Hanford plutonium production complex") → H Reactor ("Hanford Site production reactors") → H Reactor ("Hanford plutonium production complex") → Hanford Reach National Monument ("Hanford Site") → Hanford production reactors ("Hanford Site") → K-East Reactor ("Hanford plutonium production complex") → K-West Reactor ("Hanford Site 100-K Area") → N Reactor ("Hanford plutonium production complex") →	partOf
B Reactor ("Hanford Site") → B Reactor ("Hanford Site") → D Reactor ("Hanford Site") → F Reactor ("Hanford Site") → H Reactor ("Hanford Site") → Hanford production reactors ("Hanford Site") → K-East Reactor ("Hanford Site") → K-West Reactor ("Hanford Site") → N Reactor ("Hanford Site") →	locatedIn
Manhattan Project sites ("Hanford Engineer Works") → Manhattan Project sites ("Hanford, Washington") → Manhattan Project sites ("T Plant, Hanford") → Manhattan Project sites ("Site W, Hanford production complex") →	hasPart
Rattlesnake Mountain ("Hanford Site") → Richland, Washington ("Hanford Site") → Tri-Cities, Washington ("Hanford Site") → Tri-Cities, Washington ("Hanford Nuclear Reservation") →	near
Hanford Federal Facility Agreement and Consent Order ("Hanford Site") → Tri-Party Agreement ("Hanford Site") →	appliesToSite
Benton County, Washington ("Hanford Site") → Eastern Washington ("Hanford Site") →	contains
C Reactor ("Hanford Site") → Hanford Federal Facility Agreement and Consent Order ("Hanford Site, Washington State") →	location
Hanford Mission Integration Solutions ("Hanford Site") → Washington River Protection Solutions ("Hanford Site") →	operatesAt
Leslie R. Groves Jr. ("Hanford Engineer Works") → Manhattan Engineer District ("Hanford Engineer Works") →	oversawConstructionOf
Manhattan District ("Hanford Engineer Works") → Manhattan Engineer District ("Hanford Engineer Works") →	responsibleFor
Washington River Protection Solutions ("Hanford tank farms") →	associatedWith
N Reactor ("Hanford Generating Plant") →	connectedTo
Tri-Party Agreement ("Columbia River corridor near Hanford Site") →	hasGeographicFocus
Manhattan Project National Historical Park (Los Alamos unit) ("Manhattan Project National Historical Park (Hanford unit)") →	hasSisterSite
Hanford Site ("Manhattan Project National Historical Park (Hanford unit)") →	historicDesignation
United States nuclear weapons complex ("Hanford Site (historical weapons production)") →	includesFacility
Benton County, Washington ("Hanford nuclear site") →	knownFor
U.S. Department of Energy Office of River Protection ("Hanford Site") →	locatedAt
Franklin County, Washington ("Hanford nuclear reservation") →	locatedNear
Manhattan Engineer District ("Hanford, Washington") →	locationOfActivity
United States Atomic Energy Commission ("Hanford Site") →	oversawFacility
U.S. Department of Energy Richland Operations Office ("Hanford Site") →	oversees
Hanford Federal Facility Agreement and Consent Order ("Hanford nuclear site") →	regulatesFacility
Project Y ("Hanford Site") →	relatedSite
Manhattan Project →	site
Now It Can Be Told: The Story of the Manhattan Project ("Hanford Engineer Works") →	subject