we have also reinstated the blue drop, green drop and no drop system for the first time since 2014 to ensure better monitoring of water and wastewater treatment quality.

siphinde sabuyisela inkqubo yeblue drop, igreen drop kunye neno drop okokuqala ngqa ukusukela ngonyaka wama2014 ukuqinisekisa ukubekwa esweni okubhetele komgangatho wokucocwa kwamanzi kunye namanzi amdaka.
