With reference to the estimation that, based on current usage trends, water demand will exceed availability of economically usable fresh water resources in the Republic by 2025, and in view of the fact that the continuing trend in industrialisation and urbanisation of the population is expected to place further pressure on the Republic’s sources of water supply unless appropriate corrective action is taken, (a) what is his department currently doing to ease the pressure as alluded to, (b) what are the key specific workable strategies to deal with the envisaged water demand and (c)(i) which areas will be the most affected when it comes to water demand and (ii) why?