NZ Trenchless Industry Update — 27 July 2026

Auckland's $1.6B wastewater tunnel has gone live, providing major additional conveyance capacity for the city's wastewater network and supporting resilience while surface disruption is minimised by trenchless techniques. Read more (Trenchless Australasia).

Waikato Waters has begun operations across the Waikato region, marking the operational start of the new water services entity and the transfer of asset-owner responsibilities. Read more (Rural News Group).

The Hamilton–Waikato water company IAWAI is now live as a Local Water Done Well entity, indicating further progress in Three Waters reform implementation for the region. Read more (Waikato Times).

Coverage highlights that some Masterton residents remain reliant on portable toilets, underscoring localised wastewater service shortfalls and the need for targeted infrastructure investment. Read more (Stuff).

Mullane Trenchless has completed a DN1500 quadcell pipe rehabilitation in a tidal zone in New South Wales, using ASOE materials. The project, featured in Trenchless Australasia magazine, highlights over 30 Australian projects now completed using ASOE lining systems. Read more (Trenchless Australasia).

Pipe Management Australia (PMA) has completed the structural relining of six DN1829 concrete culverts — each 20 metres long — as part of a disaster recovery project delivered through Ventia. Located beneath a live arterial road and 50 metres upstream of a river, the team used RELINEEUROPE's Alphaliner UV CIPP to complete PMA's largest-diameter UV liner installation to date. Six culverts relined in six days, with a 100-year design life and no major excavation. Read more (Pipe Management Australia / LinkedIn).

Auckland Council has signed as an industry partner with International No-Dig Auckland, reinforcing local government engagement with trenchless methods and industry events that support knowledge sharing. Read more (Trenchless Australasia).

Organisers report that the No-Dig event is consolidating New Zealand's position as a specialist business-events destination for trenchless technology, supporting industry networking and capability development. Read more (Meetings & Conventions Asia).

A board has been appointed for the new Marlborough water services organisation under Three Waters reforms, progressing governance arrangements for local water service delivery. Read more (Inside Government NZ).

Te Waihanga published new research showing flood damage to infrastructure is expected to grow across climate scenarios, highlighting increased future risk to water, wastewater and stormwater assets. Read more (Te Waihanga).

Reporting indicates Tiaki Wai has significantly increased contractor resourcing compared with predecessor structures, reflecting operational scaling as new CCOs assume asset management duties. Read more (The Post).

No ASOE official-channel product or case study updates were identified this fortnight via ASOE channels or verified ASOE publications. For ASOE information, see asoe.co.nz.

Pipe Core has been appointed exclusive distributor for the Smart Lock product across Australia and New Zealand, a distribution change with potential implications for ANZ availability of that trenchless sealing technology. Read more (Trenchless Australasia).