Ngāti Ruanui has backed a call for wastewater testing beyond the city.
"They couldn't provide a reason South Taranaki wastewater is not being tested."
South Taranaki will lose one seat on the Taranaki Regional Council.
Current rules largely restrict papakāinga to be integrated with marae.
Papakāinga housing hopes are pinned on a revamped relationship with STDC.
Hearing told iwi and hapū need money to help decide and monitor consents.