United States · Los Alamos, NM · 35.893, -106.300 (approximate location)

Hydro

Hydro, a research reactor (critical assembly) in Los Alamos, NM, United States, with 10 kW of thermal power, operated by University of California. Decommissioned, first critical in 1956.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 14 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 44 critical assemblies remain in operation today across 12 countries.

Country

United States

City

Los Alamos, NM

Type

Critical assembly

Thermal power

10 kW

Operator

University of California

Status

Decommissioned

First criticality

1956

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