Carol Reihana, her brother Karl Farrell and whānau hold the Ahi Kaa of Ngāti Haumia Ki Paekākāriki.

She has iwi affiliations with  Ngāti Toa Rangatira, Raukawa, Te Ātiawa ki Whakarongotai, Ngāi Tahu  and represents Ngāti Haumia on Te Whakaminenga o Kāpiti a partnership between tāngata whenua and the Kāpiti Coast District Council.

Carol has followed her mother Jean Andrews who was a founding member of Paekākāriki Station Precinct Trust, by representing the local hapu/iwi on the current Trust, along with many other community organisations.