The DoD Success Memo enables government contracting officers to rapidly procure goods and services across all Federal agencies, accelerating deployment of 374Water's AirSCWO technology into the large and growing Federal marketplace. MORRISVILLE, NC / ACCESS Newswire / August 13, 2026 / 374Water Inc. (NASDAQ:SCWO) ("374Water" or the "Company"), a cleantech and environmental services company deploying supercritical water oxidation ("SCWO") technology for the permanent destruction of PFAS and hazardous organic waste streams, today announced that U.S. Department of Defense ("DoD") Defense Innovation Unit ("DIU") issued a Success Memo to 374Water's demonstration partner, Arcadis, validating the performance of 374Water's AirSCWO destruction technology.