With taps dry in certain parts of Johannesburg due to Rand Water’s maintenance work at some of its pump stations, Johannesburg Water has warned residents, especially those in high-lying areas, that systems may take between five and 14 days to fully recover.Rand Water said it is making progress and expects to complete the maintenance project as scheduled.On Friday, Rand Water started with maintenance work at the Eikenhof and Zwartkoppies pump stations, with maintenance at the latter being completed and running at 100%.In a statement, Rand Water said the maintenance is meant to correct…