Ian Broadhurst, general manager of Mapua Orchards, which is developing more than 400ha around Houhora and Waiharara, said last month the company had taken a multimillion-dollar leap of faith ahead of consents being granted, and accused the regional council of "dragging its heels".
The consents process was now in its third year, he said, and orchardists were renegotiating smaller existing consents to keep seedlings alive and cutting back expansion plans.
Nikora-Kerr said a host of issues had to be independently addressed.
"Protection of our unique coastal aquifer is first and foremost," she said.
"It is crucial to identify the saltwater interface accurately and closely monitor any changes. Effects on the environment, all of us as people, biodiversity and species that are imperative to the ecosystems must all be fiercely protected.''
She was also critical of the NRC's limited notification process, which had been restricted to those with existing bores between Ahipara and Ngataki. It had also declared that taking the quantity of water sought would have a no more than minor effect on people in the future, which she said was inaccurate and ignorant.
"The effects are simply unknown," she said.
"I am once again asking the question, who will be accountable to this whole community if the risks prove to be more than minor? The commissioners, the NRC, the Environment Court, the FNDC, iwi?''