UWPCAUnderground Water Pollution Control Area (Australia)
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Many parts of the Gwelup UWPCA are covered by peaty soils and these are under intense development pressure.
Despite both of these studies recognising that sulfide oxidation could be occurring in the Gwelup UWPCA since the 1970s, there has been no evidence of groundwater acidification until now.
Of broader concern is the issue that sulfide oxidation in many parts of the Gwelup UWPCA may have been occurring since the 1970s with the rapid expansion of urban development in the area at that time.