(1) How will problems associated with sludge at the wastewater treatment plant in Vredefort in the Free State be resolved to prevent pollution in the area; (2) what are the full details of the quality of the water tested from the specified plant during the period 1 January 2014 to 31 October 2015; (3) what is the mega-liter (a) inflow and (b) outflow per day at the specified plant; Monday, 30 November 2015 1610 INTERNAL QUESTION PAPER: NATIONAL ASSEMBLY NO 51 - 2015 (4) why is sewerage overflowing into the oxidation ponds; (5) (a) what (i) was the budget, (ii) was the actual cost for the upgrades done to the specified plant and (iii) are the relevant details of the upgrades done and (b) how many contractors worked on the upgrading of the specified plant?