Dr John Cherry (right) demonstrates measuring groundwater levels with Professor Jimmy Jiao from the University of Hong Kong. Photo: Nora Tam

Check the groundwater: expert says city may be contaminated by leaked sewage and past industrial pollution

Scientist wants to build and trial a monitoring well here, but government claims the current system is adequate

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Dr John Cherry (right) demonstrates measuring groundwater levels with Professor Jimmy Jiao from the University of Hong Kong. Photo: Nora Tam
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