A rubbish dump that Auckland has been arguing about for close to a decade was back in front of a court on Thursday, with Forest and Bird asking the Court of Appeal to decide whether the rules that protect New Zealand’s rivers allow more than 12 kilometres of streams to be buried under waste.
Waste Management New Zealand wants to build and run an 80 hectare landfill in Wayby Valley, near Dome Valley and Wellsford, north of Auckland. The company calls it the Auckland Regional Landfill. Almost everyone else calls it the Dome Valley dump. It was given conditional approval by an Auckland Council independent commissioner panel in 2021, and it has been tied up in legal proceedings ever since, as RNZ reported from Thursday’s hearing.
The point now before the country’s second highest court is narrow but it matters well beyond Wellsford. Forest and Bird’s lawyer Martin Smith told the court it was agreed that the effect of losing 12.2 kilometres of streams could not be mitigated. Waste Management proposed to make up for that by planting alongside 50 to 60 kilometres of streams in the Hōteo River catchment and beside streams on the site itself, and by paying compensation. The argument, Smith said, was about whether significant effects on rivers can be offset or compensated at all.
He also told the court the location mattered, because a landfill does not have to sit on top of a river in order to work. “It’s not a hydro dam, it’s not a port,” Smith said. Forest and Bird did not accept the claim that there was no better site available.
Waste Management’s lawyer, Bal Matheson KC, put the opposite case. The company had used offsets and compensation to bring the level of impact below material harm, he argued, and if there was no material harm then the rivers policy simply did not apply. “We say it’s entirely appropriate to offset and compensate,” Matheson said. Avoiding every effect was unreasonable and the wrong way to read the rules.
On the question of where the dump would sit, Matheson said the company spent 10 years choosing the site and steered away from places the Auckland Unitary Plan identifies as high value ecological areas. He said he was not sure why the company was being criticised for building a landfill outside a high value overlay.
The legal thread running through all of this is the National Policy Statement for Freshwater Management, which says the loss of river extent and values is to be avoided unless there is a functional need for the activity in that location. What “avoid” actually requires has been fought over case by case for years. In its 2024 judgment dismissing two earlier appeals, the High Court accepted a practical reading in which “no material harm” can count as avoiding the harm, an approach summarised by law firm DLA Piper when the decision came out. Forest and Bird says that reading lets developers pay their way past a protection that was meant to be a hard line.
Not everyone opposing the landfill is on the same side. Representing Ngāti Manuhiri, Jason Pou told the court the proposal would let a hapū that had been historically dispossessed rebuild its rohe, its traditional territory, and stand on its own land. “There’s a real impact on Ngāti Manuhiri in this in terms of their future generations,” Pou said. The 2021 council decision was appealed to the Environment Court by a mix of iwi, conservation and community groups, and the Environment Court allowed the landfill to proceed in 2023.
The appeal was heard by Justices Jillian Mallon, Matthew Palmer and David Collins. Justice Mallon said the court was conscious of the need for a reasonably prompt decision. They reserved their judgment, which means there is no ruling yet and no set date for one.
The reason everyone wants a prompt answer sits about 50 kilometres south, at Dairy Flat. Redvale has been the main destination for most of Auckland’s rubbish for more than 35 years, and its consent to keep taking waste runs out at the end of December 2028. The Wayby landfill was always meant to be Redvale’s replacement. Waste Management now says the legal delays mean the new site is unlikely to be operating until the mid 2030s.
That gap is why the company has gone looking for a second route. In May it confirmed that a proposal to keep Redvale operating until 2036 had been accepted for assessment under the Government’s fast track approvals process, a decision reported by Local Matters. Managing director Evan Maehl said current consents stop landfilling at Redvale at the end of 2028, “but Auckland will still need a safe and reliable way to manage its waste beyond that point”. He said there was no viable alternative at the scale Auckland requires until the new landfill is ready. “That leaves a gap. Extending Redvale is the most practical, safest and economic way to manage that period and keep the system working.”
Minister for Infrastructure Chris Bishop granted the referral for the Redvale expansion in April. Waste Management has since applied to have the Wayby landfill referred to the same fast track process, a move it announced in June. On its own project page the company describes fast track referral as an additional pathway while the Court of Appeal process continues. If that referral is granted, the two processes would run side by side.
That prospect worries the people who have spent years in hearing rooms. Michelle Carmichael, chair of the community group Fight the Tip, said the group had spent years arguing for better protections in the Environment Court and was concerned those gains could be lost under a process that involves far less public scrutiny. At Dairy Flat, where residents have pushed for Redvale to close on schedule, former Rodney Local Board member Louise Johnston called the fast track decision extremely disappointing for nearby households and the local school.
For now, the fate of the Dome Valley proposal rests with three judges and a question that has nothing to do with rubbish trucks. If offsetting and compensation can satisfy a rule that tells consent authorities to avoid the loss of rivers, then a great many future projects will be measured against that answer. If they cannot, Auckland will need to work out rather quickly where the next few decades of its waste is going to go.
What do you think? Should the loss of streams be allowed if a company plants and pays to make up for it, or should the protection be a hard line? Leave a comment below.
This article was written by AI, briefed to report the facts, hopefully without some of the bias people bring to the job 🙂
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