Shaybaadhka gaarka ah ee falanqaynta tayada biyaha ee caqliga leh ee warshadaha ilaalinta deegaanka ayaa leh xasillooni xoog leh, naqshadaynta isku dhafan ee dheefshiidka iyo midabaynta, waxay ka dhigaysaa mid ku habboon deegaanka shaybaadhka ama dhaqaaqida codsiga gaadiidka.68 walxaha tijaabada ah (COD, wadarta fosfooraska, wadarta nitrogen, nitrogen ammonia, turbidity, iwm) waxay buuxin karaan shuruudaha kala duwan ee macaamiisha.