In September 2021, Natel conducted formal testing with PNNL on a cohort of American eel passing through the RHT test unit operating at 670 rpm under 10 m of hydraulic head. Following the test the eels were monitored for 48 hours with 100% survival.
Natel employees Kate Stirr and Betsy Pfeiffer and former employee Andy Baumgartner won 5 prizes total for their photos and video of Natel's FishSafe technology.