Umshini wokufutha amanzi usetshenziselwa ukuqinisa nokususa amanzi kahle emanzini odaka. Amanzi odaka amanzi anamanani ezinto eziqinile ezilengayo, ezingakhiqizwa ngokwelashwa kwamanzi amdaka, imboni yokucubungula ukudla, imboni yamakhemikhali kanye neminye imisebenzi yabantu.

Umshini wokukhipha amanzi odaka olucindezelwe ngesikulufo uyimishini entsha yokuhlukanisa uketshezi oluqinile, esebenzisa isimiso sokukhipha isikulufo, ikhiqiza amandla aqinile okukhipha ngokushintsha ububanzi besikulufo kanye nephimbo, kanye negebe elincane phakathi kwendandatho ehambayo nendandatho egxilile, ukuze kufezwe ukukhishwa kwamanzi odaka oludakayo.