- Reactor Description: Critical Assembly – water moderated with flexible core configuration
- Licensed Power: 100 W Pulsing: No
- Experimental / Operational Capabilities: Fundamental reactor physics measurements and benchmarks evaluating material specimens with relatively high reactivity worth, Education and Outreach
- Website: Walthousen Reactor Critical Facility NSUF Member Facility: No
- NRC License Number: CX-022 NRC Docket Number: 05000225
- NRC Page: License, Technical Specifications, and SER
- Requal Plan: ML11131A180
- Emergency Plan: ML042660128
- Safety Analysis Report: ML072210835
Photo: Rensselaer Polytechnic Institute