UV Disinfection UV Disinfection Inactivation of Opportunistic Pathogens and Prevention of Biofilms in Drinking Water Systems using UV LEDs Development of Small Scale, Portable UV-LED Reactor Wavelength Specific Microbial Damage on a Molecular Scale Wavelength Specific UV Inactivation Water, Sanitation & Hygiene (WASH)Advanced OxidationUV DisinfectionWastewater ReuseChemical Fate & Treatment