Some Effects of Dam Destratification upon Manganese Speciation

  • Barry Chiswell
  • Mazlin Bin Mokhtar


Although the current World Health Organization recommended limit for manganese concentration in drinking water is set to 100 μg/L, water authorities in Queensland and in other parts of Australia find this figure well in excess of the level of manganese they will allow in their treated water. Regular output of potable water with 100 μg/L of Mn into a reticulation system is guarantied to lead to black pipe deposits and washing stains — the dirty water phenomenon. Thus the Gold Coast City Council in Southeast Queensland is currently keeping the allowable Mn level in treated water at less than 10 μg/L.


Dissolve Oxygen Manganese Concentration Aeration Period Current World Health Organization Magnesium chlOride Solution 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Barry Chiswell
    • 1
  • Mazlin Bin Mokhtar
    • 1
  1. 1.Department of ChemistryUniversity of QueenslandSt. LuciaAustralia

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