A National Historic Landmark. Built in 1944. Listed on the National Register of Historic Places in 1992.
From the record
“The B Reactor at the Hanford Site, near Richland, Washington, was the first large-scale nuclear reactor ever built, at 250 MW. This reactor was of vital importance to the Manhattan Project, the United States nuclear weapons development program during World War II.”
Wikipedia article B Reactor, CC BY-SA 4.0.
One of 7 National Register listings published here for Benton County · listed in 1992 · category: Structure · built in 1944 · a National Historic Landmark.
National Register reference number.92000245- the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Fires near this property
21 since 1992
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 21 fires within 5 miles of Hanford B Reactor
between 1992 and 2019, burning about 6,461 acres in total. 7 started naturally. None was recorded as arson.
Distance is straight-line from the map coordinates, so a fire counted
here may appear on a neighbouring settlement's page as well.
Reported cause
Fires
Missing data/not specified/undetermined
7
Natural
7
Equipment and vehicle use
3
Debris and open burning
3
Recreation and ceremony
1
The most recent of
them, most recent first, with the day each was reported and the service
that recorded it.
Regional context, not property-specific
evidence. The federal mineral resources record lists
1 working within 5 miles of Hanford B Reactor: 1 past producer.
None of them still produces. What was taken out: Stone, Crushed/Broken. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
Regional context, not property-specific
evidence. The National Weather Service names
Richland, the town this property stands in, in 14 storm reports between 2001 and 2020: 9 thunderstorm wind, 1 hail, 1 funnel cloud, 1 dust devil.
No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office
filed it, from the NOAA Storm Events Database, and each date
opens the federal record of that event.
Numerous intersections were flooded in Kennewick and Richland Washington, including Canal Drive and Volland Street, Gage Boulevard and Quinault Street. The Columbia Park Trail was closed from Hillwood to Rockwood due to flooding. Vista Field in Kennewick had 1.05 inches in one hour, with spotter reports of 0.64 inches to 0.94 inches in Richland and 0.70 inches to 1.01 inches in Kennewick.
No historic map-sheet match is published
for this property yet. That does not mean no map exists. This record needs
a coordinate-quality review before it can be joined to a sheet boundary.
Browse the county's mapped places while that work is
pending.
Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.