High Quality Content by WIKIPEDIA articles! Ashok Gadgil is a physicist with Lawrence Berkeley National Laboratory in Berkeley, and a professor in civil and environmental engineering at UC Berkeley. He is best known for "UV Waterworks" - a simple, effective and inexpensive water disinfection system. UV Waterworks uses the UV light emitted by a low-pressure mercury discharge to disinfect drinking water.Effective disinfection at affordable cost is the primary and most important feature of UV Waterworks – allowing an entire system to sell drinking water at about 2 cents US for 12 liters even in deep rural areas, where personal incomes are commonly less than $1 US per day. This business model, developed and implemented by WaterHealth International, makes safe drinking water affordable and accessible to even poor communities in developing countries. For UV Waterworks, Dr. Gadgil received the Discover Award in 1996 for the most significant environmental invention of the year, as well as the Popular Science Award for "Best of What is New - 1996".

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