Loaʻa i ka hāmeʻa ka hana hui: hoʻohui ʻana i ka tank deficiency oxygen, MBR bioreaction tank, sludge tank, hoʻomaʻemaʻe tank a me nā lako hana lumi i loko o kahi pahu nui, ʻano hana paʻa, kaʻina hana maʻalahi, wahi ʻāina liʻiliʻi (wale nō 1 / -312 / o ka hana kuʻuna) , hoʻonui hoʻonui maʻalahi, automation kiʻekiʻe, a i kēlā me kēia manawa a me nā wahi āpau, hiki ke lawe pololei ʻia ka hāmeʻa i ka wahi i hoʻopaʻa ʻia i ka lāʻau lapaʻau, ka unahi pololei, me ka ʻole o ke kūkulu lua.
ʻO ka hōʻiliʻili ʻana i ka hoʻomaʻemaʻe wai a me ke kaʻina hana hoʻōla wai ma ka mea like, hiki ke kanu ʻia ma lalo o ka lepo a i ʻole ka ʻili;ʻaʻohe lepo, ʻaʻohe hopena i ke kaiapuni a puni;ka hopena hana maikaʻi, hilinaʻi kiʻekiʻe, ka maikaʻi o ka wai paʻa a me ka liʻiliʻi o ke kumukūʻai hana.