The object
Ashok Gadgil co-developed UV Waterworks, an ultraviolet device that disinfects drinking water without complex infrastructure. The low-maintenance physical system expanded access to safer water in underserved communities, and UC Berkeley documents Gadgil’s continuing role alongside the technology’s public-health impact.
What Ashok did
Invented the UV Waterworks ultraviolet drinking-water disinfection device with Vikas Garud.
Why it matters
UC Berkeley identifies UV Waterworks among Gadgil’s best-known technologies and records his 2023 National Medal.
Living-status check
UC Berkeley’s 30 April 2024 announcement documents Gadgil’s participation in the PBS documentary Pathways to Invention.