(a) Which (i) metro, (ii) district and (iii) local municipalities in each province are in arrears with their payments to the relevant water boards for the (aa) 2010-11, (bb) 2011-12, (cc) 2012-13, (dd) 2013-14 and (ee) 2014-15 financial years and (b) in each case, what amount was (i) owed and (ii) overdue in terms of each specified municipality in each specified period?