United States · Livermore, CA · 37.686, -121.764 (approximate location)

LIWB Livermore Water Boiler

LIWB Livermore Water Boiler, a research reactor (homogeneous) in Livermore, CA, United States, with 500 W of thermal power, operated by Lawrence Livermore National Laboratory. Decommissioned, first critical in 1953.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 11 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include nuclear data measurements and materials testing.

Country

United States

City

Livermore, CA

Type

Homogeneous

Thermal power

500 W

Operator

Lawrence Livermore National Laboratory

Status

Decommissioned

First criticality

1953

Purpose

Nuclear data, materials testing

See also: every research reactor in United States · How research reactors work