Integrated Waste Treatment Unit

Integrated Waste Treatment Unit at Idaho National Laboratory
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The 890 square-mile Idaho National Laboratory Site (INL), located in southeastern Idaho, was first established in 1952 as the National Reactor Testing Station. The original mission of the INL site was to develop and test civilian and defense nuclear reactor technologies and manage spent nuclear fuel. Fifty-two reactors — most of them first of a kind — were built at the site, including the Navy’s first prototype nuclear propulsion plant. Of the 52 reactors, four remain in operation.
Budget
FY22 Enacted (In the millions) |
FY23 Request (In the millions) |
FY23 Enacted (In the millions) |
FY24 Request (in the millions) |
$454 | $391 | $472 | $459 |

Crews at the Idaho National Laboratory Site prepare to load certified transuranic waste into a TRUPACT-II container for shipping to the Waste Isolation Pilot Plant.
Idaho News
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U.S. Department of Energy (DOE) leaders on Tuesday joined tribal, state and local officials, contractors and a dedicated workforce here to mark a recent milestone with the state of Idaho nearly 25 years in the making.
March 29, 2023
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Checking off an EM 2023 priority, crews retrieved the last spent nuclear fuel from a water-filled basin and safely transferred possession of the fuel elements to a complex at the Idaho National Laboratory (INL) Site.
March 21, 2023
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EM is moving forward with plans to demolish two defueled naval reactor prototypes and associated buildings at the Idaho National Laboratory (INL) Site.
March 14, 2023
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Federal and contractor leadership highlighted progress in EM’s liquid waste treatment mission and lessons learned in their work during back-to-back panels at the 2023 Waste Management Symposia.
March 7, 2023
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Despite nationwide supply chain challenges brought by the coronavirus, an EM contractor at the DOE Idaho National Laboratory Site has found success relying on local and regional small businesses for goods and services.
February 7, 2023
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Heat-up of a liquid waste treatment facility has resumed this month in anticipation of beginning radiological operations at the facility at DOE’s Idaho National Laboratory Site.
January 31, 2023
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DOE recently bestowed eight EM teams with the Secretary of Energy Achievement Award, recognizing projects at the Idaho, Savannah River and Hanford sites as well as a group of employees who revamped and expanded EM’s Minority Serving Institutions.
January 24, 2023
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As crews ready a liquid waste treatment facility at the DOE Idaho National Laboratory Site for sodium-bearing waste processing, EM is preparing to construct a new building to provide additional capacity for the safe storage of treated waste material.
January 24, 2023
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Multiple winter storms gripping the Rocky Mountains created a perfect storm of sorts at the Idaho National Laboratory (INL) Site recently as several trucks and tractor-trailers used for waste shipments were idled for days until conditions were safe.
January 17, 2023
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Ten days after beginning a heat-up process to prepare for radiological operations at the Integrated Waste Treatment Unit (IWTU), operators noticed a small leak of non-radioactive, non-hazardous solids in a cell.
January 10, 2023
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