Ki roto i te marae haumanu ahakoa, ko te Pārangi Kākano Whakamahitahi Wai mō te whakamahi mutunga o ngā hokohoko whēiropi koe i te whakarerekē nui. Ko tana whāinga he tirotiro i te nui o te huinga wai, ka tiakina e ia ngā hokohoko whēiropi ki te wa e tūnoa ana ki te tirotiro. Ko tēnei e whaihua ana i ngā wāhi kotahi me te nui o te huangare, rānei ko te whakawehenga ā-wāhi me te whakawehenga ā-wā. Nā te whakamahi i ngā rara pai rawa me ngā mahi tuatahi, ka whakapakuwhakaae ai te Tari Hauora o Jiangsu Changfeng Ltd. i ana kiritaki, ko tana pārangi whakamahitahi wai ka whaihua atu i te whakapai i te tiaki i te kore whakapae pai.