while you're at it, it should be 'Ōmaru Creek'  (source: Aklc & Te Ara & hansard report: https://infocouncil.aucklandcouncil.govt.nz/Open/2019/12/MT_20191203_AGN_9483_AT_files/MT_20191203_AGN_9483_AT_Attachment_72733_1.PDF and https://teara.govt.nz/en/photograph/35393/auckland-regional-authority-1988 and https://www.beehive.govt.nz/speech/point-england-development-enabling-bill-third-reading-speech)