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WAS 14,95
Woensdag 8 Augustus 2012
EA
Offers valid until 12 August 2012 while stocks last
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) R452 000 to clean borehole
Polluter coughs up Debbie Hene, director of regulations at the Department of Water Affairs in turn said that the department was delighted that the offender acted in a responsible manner and hoped that this will send a message to potential water law transgressors. She visited the site last week. The remedial action plan will take place over an unspecified period of time. According to the remedial action plan, a soil vapour survey will have to be done first where soil samples will be analysed for total oils and grease, cyanides and specific metals. Then the existing borehole pump and pipe work will be removed and cleaned and the water will be tested. Thereafter the condition of the borehole will be assessed by using a downhole video which will determine the condition of the casing as well as the extent and location of any used oil. The video footage will also be used to determine if the proposed cleanup techniques and methodologies are suitable based on these findings. “Assuming that the borehole is determined to be in an acceptable condition, down-hole flushing of the borehole will occur using biodegradable surfactant. “The surfactant will remain in the hole for a short period of time after which the original borehole pump will be reinstalled in the borehole to pump out the surfactant from the hole,” Rayi explains. The used surfactant will then be stored in flow bins on site, after which it will be disposed of to a landfill site. The borehole will then be purged for an extended period of time. “At this stage it is estimated that 3 000F of water will be purged from the well and will take 24 hours to complete.” Re-sampling of the borehole water will occur two weeks after the completion of the purging, and depending on the results of this round of sampling a second and possible third round of treatment might be entered into. According to Rayi the Department of Water Affairs will monitor the water for two years after the cleanup.
DESIREÉ RORKE
The carelessness of a local resident when he recently cleaned up his septic tank and polluted ground water, will cost him close to half a million rands, after the Western Cape province’s Green and Blue Scorpions stepped in to salvage the situation. During June this year, the property owner in Joostenbergvlakte, whose name was not released by the Department of Water Affairs, cleaned out his septic tank, which became blocked due to the heavy rains. “He decided to use one of his own trucks, normally used for transporting old oil and diesel products. During operations an estimated 200F diesel/oil was spilled and washed into the depression of the adjacent property in Suikerbekkie Street, owned by Annette van Tonder,” said Malusi Rayi of the department. This resulted in the borehole, which was used for drinking water being contaminated with used oil and therefore unfit for use. Following Van Tonder’s complaint, a task force comprising of the Blue Scorpions of the Department of Water Affairs and the Green Scorpions of the Department of Environmental Affairs issued the offender with a notice in terms of the National Water Act. “The offender had since agreed to commence with remedial action of the affected area, and the cleaning will create temporary employment to 29 local residents. “The ‘polluter pays principle’ has been applied as the polluter will have to bear the cost of an estimated R452 000 for the proper remediation of the borehole,” said Rayi. A rehabilitation report estimated the rehabilitation process to escalate to the abovementioned amount. “It is imperative that we become responsible citizens to ensure that our natural environment is protected today for tomorrow,” Minister of Environmental Affairs, Anton Bredell said.
Environmental consultant Adrian Sillito explains the process to Debbie Hene, director of regulation at the Department of Water Affairs in the Western Cape. Photo: Carina Roux
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