What measures has his department taken to intervene in the (a) Emalahleni Local Municipality, (b) Emakhazeni Local Municipality, (c) Dr J S Moroka Local Municipality, (d) Victor Khanye Local Municipality, (e) Lekwa Local Municipality, (f) Dipaliseng Local Municipality and (g) Steve Tshwete Local Municipality where water has been contaminated and is affecting the health of residents?