ABC Report: Toxic water from old mine entering Sydney's drinking catchment, research warns

August 21, 2017





  • "Median concentrations of nickel (430 ug/L), manganese (12667 ug/L) and zinc (1400 ug/L) are at extremely high levels

  • 89% of aquatic insects sampled in the vicinity of discharge have been wiped out (Ephemeropetera, Plecoptera and Trichoptera species)

  • Overall pollution has increased despite the mine's closure in 2013

  • Other contaminants include high levels of acidity, salinity, iron and sulfates."

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