Washington Department of Ecology - Hanford

Washington Department of Ecology - Hanford News, information and fun facts on Hanford history and cleanup from Ecology's Nuclear Waste Program.

Washington State Department of Ecology's Nuclear Waste Program. Please see our policy for commenting on Ecology’s pages under General Information.

Our office will be closed today as we commemorate . We will reopen at 8 a.m. on Monday, June 22.
06/19/2026

Our office will be closed today as we commemorate .

We will reopen at 8 a.m. on Monday, June 22.

Today’s takes us to the recreation hall billiards. This establishment provided entertainment for workers after their s...
06/18/2026

Today’s takes us to the recreation hall billiards. This establishment provided entertainment for workers after their shifts. It was mostly a male space, since billiards was a popular game mostly played by men at the time.

🥬Astragalus columbianus is commonly called Columbia milkvetch🌼Its range is restricted to Yakima, Kittitas, and Benton Co...
06/17/2026

🥬Astragalus columbianus is commonly called Columbia milkvetch
🌼Its range is restricted to Yakima, Kittitas, and Benton Counties and it is a local endemic that was once believed to be extinct.
🥬Astragalus columbianus is a short-lived (2 to 4 years) perennial with white to cream colored flowers that normally appear in April.
🌼It is found on gravelly and rocky silt loams, silts, and lithosols. The seedpods are distinctive, turning red when exposed to direct sun, and allow the plant to be recognized for several months after flowering.
🥬Occurrences on Central Hanford Columbia milkvetch is local endemic whose distribution is limited to an area approximately 8 by 40 kilometers(5 by 25 mi) along the Columbia River.

➡️Reminder! Hybrid public meeting tomorrow! ➡️Energy and Ecology invite you to learn more about the construction and ope...
06/16/2026

➡️Reminder! Hybrid public meeting tomorrow!

➡️Energy and Ecology invite you to learn more about the construction and operation of a modular system to remove cesium from tank waste in the 200 West Area of Hanford.
Ecology.wa.gov/Hanford-involvement

Uranium is a chemical element used in atomic bombs due to its ability to sustain a rapid fission chain reaction.
06/16/2026

Uranium is a chemical element used in atomic bombs due to its ability to sustain a rapid fission chain reaction.

In anticipation of our Rev. 9A renewal coming up this year we are spotlighting a different unit each week so you can lea...
06/15/2026

In anticipation of our Rev. 9A renewal coming up this year we are spotlighting a different unit each week so you can learn about each one of them.

Our unit of interest today is the Low-Level Burial Grounds Trenches 31 and 34. They are part of the Solid Waste Operations Complex (SWOC). They are two large rectangular trenches in the southwest corner of the 218-W-5 Burial Ground. They store radioactive and mixed waste.

More Hanford information: https://Ecology.wa.gov/REV9A

🏬On June 14, 2012, the N Reactor was placed in Interim Safe Storage.🏬This is a process known as “cocooning.” 👷Workers re...
06/14/2026

🏬On June 14, 2012, the N Reactor was placed in Interim Safe Storage.
🏬This is a process known as “cocooning.”
👷Workers removed all supplementary buildings and sealed up the reactor in a concrete and steel enclosure.

In anticipation of our Rev. 9A renewal coming up this year we are spotlighting a different unit each week so you can lea...
06/12/2026

In anticipation of our Rev. 9A renewal coming up this year we are spotlighting a different unit each week so you can learn about each one of them.

Our unit of interest today is the Waste Receiving and Processing Facility located at the 200 West area. It started in 1997 and treats up to 3408 gallons of waste per day through a variety of methods, such as compacting, absorbing free liquids, and encapsulation.

More Hanford information: https://Ecology.wa.gov/REV9A

Thank you to everyone who attended last night's informational meeting on the Hanford Sitewide Permit, Revision 9A.👀You c...
06/11/2026

Thank you to everyone who attended last night's informational meeting on the Hanford Sitewide Permit, Revision 9A.

👀You can watch a recording of the meeting here: https://youtu.be/f1uTg38HoG4

🎯For more information on the Hanford Sitewide Permit and the upcoming comment period visit our webpage Ecology.wa.gov/REV9A

Address

3100 Port Of Benton Boulevard
Richland, WA
99354

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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+15093727950

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