JOHANNESBURG - Joburg mayor Dada Morero is assuring residents water will be restored within seven days.
He, however, says supply remains constrained due to high consumption.
The mayor conducted site inspections at two reservoirs on Friday.
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This follows week-long outages that left residents in parts Joburg frustrated.
Some councillors are now calling for an investigation into water tanker tenders.
Water expert Mike Muller said there should be an explanation why reservoirs are allowed to drop below 50 percent.