Local government

PDP was engaged by Hawke’s Bay Regional Council to support a district-wide consenting process for the ongoing removal and disposal of stormwater drain sediments across nine catchments in the Napier and Hastings districts. 

Kāpiti Coast District Council (KCDC) engaged Pattle Delamore Partners (PDP) to complete the design and undertake construction monitoring for a project to upgrade the overflow pond at Paraparaumu Wastewater Treatment Plant.

PDP partnered with Auckland Council Healthy Waters to generate robust treatment data for an innovative stormwater device.

Cyclone Gabrielle was a severe tropical cyclone that devastated parts of the North Island of New Zealand in February 2023. 

PDP were engaged by Auckland Council to review all rainfall, flow and soil moisture data from their current and historic network to determine the return period of the Auckland Anniversary event (27 January 2023).

Water supply to Rotorua’s eastern and central area comes from several springs which are culturally significant to Māori, and which have differing ecological values.

In 2022, Wellington City Council engaged PDP to assess and remediate slope stability risks to the road for a greywacke (siltstone and sandstone) slope cut at 60° – 80° along a 68 m length of Grafton Road, Wellington.

PDP supported Wellington City Council in developing the Climate Adaptation Options Catalogue.

The Whangamarino Wetland, spanning 7,000 hectares in the Lower Waikato River catchment is a diverse ecosystem of peat bogs, fens and lakes, making it the second largest wetland in Aotearoa.

PDP were engaged by Napier City Council (NCC) in FY2022/23, and again in FY2023/24, to undertake an independent revaluation of their three-waters infrastructure assets, valued at a total replacement cost of approximately $1.5 billion.

PDP provided consultancy services to Napier City Council (NCC) to review and assess options for delivering safe, chlorine-free drinking water to the community.

PDP collaborated closely with Āpōpō to support the refresh of the New Zealand Infrastructure Asset Valuation and Depreciation Guidelines, Edition 3.0, which were last updated in 2006.

We are the go-to advisors for Waikato District Council for coastal hazards and processes.

PDP participated in an eDNA stream testing workshop, supporting local efforts to better understand and protect freshwater ecosystems.

Northland Regional Council (NRC) engaged PDP to provide a solution for monitoring bare soil changes for the entire Northland region.

Kāpiti Coast District Council (KCDC) engaged PDP to provide a preliminary design for a new pond base as part of the aeration lagoon upgrade at the Ōtaki Wastewater Treatment Plant (WWTP) on the Kāpiti Coast 

PDP supported multiple stages of the City Rail Link (CRL) – New Zealand’s largest transport infrastructure project – providing specialist groundwater expertise from feasibility through to consenting. 

PDP undertook a peer review of the Tauranga City Council Draft Spaces and Places Asset Management Plan (AMP) including reserves and open spaces, street trees, marine facilities and coastal structures, cemeteries, and the Mount Maunganui Beachside Holiday Park. 

We supported Far North District Council in strengthening their approach to three-waters asset management by developing a clear, ISO 55000-aligned framework to guide long-term planning and investment.

PDP has been assisting Horizons Regional Council with their investigations into the hydrology supporting Lake Horowhenua and the proposal to develop a natural wetland system to effectively manage water nutrient loads currently impacting the lakes.

PDP developed updated source protection zones for the surface water, groundwater and riparian drinking water supplies in the Horizons Region.

PDP was engaged by Horizon Regional Council, Wellington Regional Council, Masterton District Council and the Tararua District Council to provide expert technical review and Environment Court evidence for the Mt Munro Wind Farm proposed to be developed by Meridian Energy in the northern Wairarapa. 

Timaru District Council engaged PDP to address ongoing erosion at the Peel Forest closed landfill, where waste was being exposed and a high risk of it being released into the Rangitata River. 

PDP supported Kaipara District Council in renewing its resource consent for the Mangawhai groundwater take, which supplies the local community and experiences significant seasonal demand. 

Strengthening the resilience and reliability of the Waihi Water Treatment Plant was a key priority for Hauraki District Council (HDC), helping the Council address supply vulnerability during maintenance periods and move toward a future‑ready solution.

Southland District Council (SDC) has been investigating potential sites for solar farm development on Stewart Island as part of the Rakiura Energy Project – an initiative exploring alternatives to diesel-powered electricity generation on the island since 2023.

Supporting a rapidly growing community, the Cambridge Wastewater Treatment Plant upgrade marks a significant step forward for both Cambridge and the Waikato River. 

Pattle Delamore Partners was engaged by Whangārei District Council in June 2025 to investigate options and develop a preliminary design for the upgrade of the Ruakākā Wastewater Treatment Plant – serving one of Northland’s fastest-growing coastal communities.

Western Bay of Plenty District Council (WBoPDC) identified the need to upgrade the final sections of the trunk sewer discharging to the Te Puke Wastewater Treatment Plant to support future growth. 

In July 2022, the Ministry of Health directed Rotorua Lakes Council (RLC) to fluoridate drinking water across two of its ten supply zones – the Central supply, sourced from the Karamū Tākina Spring, and the Eastern supply, sourced from the Waipa Spring.

Waikawau/Hannahs Bay reserve sits on the eastern shore of Lake Rotorua, adjacent to the airport – a quietly significant place where upstream catchments drain through to one of the region’s few remaining urban wetlands.