2016/17 – Clifton/Nobby (Queensland) – Mercury

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Clifton/Nobby (Queensland) – Mercury

2016/17 – Clifton/Nobby (Queensland) – Mercury 0.0012mg/L (highest level)

(Toowoomba Regional Council DWQMP Annual Report 2016/17 Appendix B

All results below ADWG health guideline values with exception of mercury in Warragul WTP filtered water inlet to reservoir in March 2012 where a result of 0.0012mg/L was reported.No cause was identified for result All subsequent reticulation monitoring was compliant.

Mercury: Australian Drinking Water  Guideline 0.001mg/L

Mercury, if it enters the ecosystem can transform into the more toxic methylmercury where it can bioaccumulate. Methylmercury is highly toxic to human embryos, fetuses, infants and children. Mercury has numerous sources including old gold mines, where mercury was used in gold recovery process. It has been estimated that 950 tonnes of
mercury was deposited into Victorian soil, rivers and streams during the various gold rushes.
http://ntn.org.au/wp-content/uploads/2010/05/mercury_brief20101.pdf