ES
United States United States · Washington, D.C. · 38.895, -77.037 (approximate location)

AGN-201 Catholic Univ

AGN-201 Catholic Univ, a research reactor (homogeneous) in Washington, D.C., United States, with 1 W of thermal power, operated by Catholic University of America. Decommissioned, first critical in 1957.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 15 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 teaching and training.

Country
United States
City
Washington, D.C.
Type
Homogeneous
Thermal power
1 W
Operator
Catholic University of America
Status
Decommissioned
First criticality
1957
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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