I-Angel inikeza ukukhethwa okukhulu kwezinhlelo zokuhlanza amanzi ukuze
ukuhlangabezana nezidingo eziqondile zanoma yiluphi uhlobo lwesicelo sezentengiselwano noma sezimboni.
Gxila emkhakheni wezixazululo zokuhlanza amanzi zentengiso iminyaka engaphezu kwengu-20, futhi uphathe amacala angaphezu kuka-5000.Sinemigqa yemikhiqizo ecebile kanye nekhono lokukhiqiza, elinganikeza izixazululo ezingabizi, eziphelele futhi eziphumelelayo zokuhlanza amanzi ezentengiselwano zezakhiwo zokuhlala, izakhiwo zamahhovisi, izindawo zokudlela, izibhedlela, izikole, izikhumulo zezindiza, amapaki nezinye izindawo zomphakathi ezinezidingo eziningi zokuhlanza amanzi.