Wei-Ching Zhuang
Civil and environmental engineering researcher at the University of Auckland focused on water quality and novel sensing technologies, leading development of flushable RFID sensors to detect sewer misconnections and blockages.
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Feb 3, 2026 • 12min
How flushable sensors could help clean up Auckland's beaches
Dr Wei-Ching Zhuang, a water-quality and sensing researcher at the University of Auckland, discusses flushable RFID sensors she helped develop. She explains how tiny tags travel sewer flows, how detectors read their IDs, and how the system spots illegal connections and blockages. She also covers sensor design, materials and how data can help prioritise inspections.
