That sinking feelingKhutsong near Carletonville on Gauteng’s West Rand is built on dolomite. It’s a soluble rock which means, over time, its structure is weakened by moisture in the ground, affecting its integrity and causing fractures and fault lines. Houses in the area are quite literally built on shaky ground. But, in Khutsong, there’s another problem: the cavities created by collapsing dolomite are being filled with sewage; a malodorous and disturbing clue about the danger underfoot. Apart from the giant sinkholes threatening to swallow the area, their contents point to the near-total collapse of the entire sewage system in the Merafong municipality. Carte Blanche visits a communi.ty living on the edge.
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