Whether her department has effectively stopped (a) raw and untreated sewerage and (b) agricultural, mining and industrial operation contaminants from leaking into streams and rivers during the period 1 May 2009 up to 30 June 2015, and had therefore succeeded in preserving the quality of water and thereby ensuring that the water was safe for animal and human consumption and suitable for irrigating crops for local as well as export purposes; if not, what is the extent and the reasons for the Government’s failure in this regard; if so, what are the relevant details of her department’s successes?