Ingxowa yamanzi eguquguqukayo yenziwe ngelaphu eliguquguqukayo lePVC, inokusebenza okugqwesileyo kokungangeni manzi, kwaye isetyenziswa kakhulu kumashishini amaninzi okugcina amanzi okanye olunye ulwelo, njengokuqokelela amanzi emvula, ukugcina amanzi okusela, ukulayisha ingxowa yamanzi yovavanyo kwibhulorho, iqonga, kunye nololiwe. , kwaye nangokunjalo.