Water & Sanitation Tenders in New Zealand

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

16 open opportunities in this category

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Who this is for

Water engineering consultancies, WASH NGOs, desalination and treatment operators, irrigation contractors, utility operators.

Top Funders

Major sources of procurement and grant funding in this category:

World Bank

Water Global Practice and GWSP trust fund.

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AfDB

African Water Facility.

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ADB

Water Financing Programme.

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UNICEF

WASH procurement for humanitarian response.

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USAID

Water Security, Sanitation and Hygiene Partnership.

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A weekly digest of only water & sanitation tenders and grants for where you do business.

Water & Sanitation Opportunities

Find tenders and grants for water supply, sanitation and hygiene (WASH), wastewater treatment, desalination, irrigation and integrated catchment management. Curated for water engineering firms, WASH NGOs, desalination and treatment plant operators, and irrigation contractors.

Here is a selection of recent tenders and grants. Register for free to view all water & sanitation opportunities.

Water & Sanitation Tenders

35006409 - RFT 26-042 Blomfield Street Pavement Rehab

TENDER Open

New Zealand, Bay of Plenty 22 Oct 2026 (Closes in 24 days) 35006409

Tender documents available at:www.tenderlink.com/rdc/Forum questions can only be asked on Tenderlink.This contract comprises primarily of the urban chipseal pavement rehabilitation of Blomfield Street, located in the suburb of Pukehangi in Rotorua. The extent of works is approximately between RP 0.017 – 0.687.Blomfield Street is classified as an access road with an AADT of approximately 1,716 v...

31860110 - CWTP Belt Press Polymer Plant

TENDER Open

New Zealand, Canterbury 28 Oct 2026 (Closes in 30 days) 31860110

The purpose of this RFP is to invite Prospective Suppliers to submit their Proposals for the design and construction of the new Belt Press Polymer Plant at the Christchurch Wastewater Treatment Plant (CWTP).The objective of this RFP process is to obtain sufficiently detailed information from Prospective Suppliers and their respective organisations and their ability to provide the Works. This en...

34926834 - 2026-C1311 Wastewater Treatment Plant Solids Transportation

TENDER Open

New Zealand, Wellington 1 Oct 2026 (Closes in 3 days) 34926834

Kāpiti Coast District Council is seeking proposals from suitably qualified and experienced suppliers to provide WWTP Solids Transportation services for the Paraparaumu and Ōtaki Wastewater Treatment Plants.The services include the timely collection, transport and disposal of solid by-products from wastewater treatment operations, including screenings, grit, ash, dried sludge/biosolids and dewat...

34909219 - RFP Business Analyst Services

RFP Open

New Zealand, Wellington 9 Oct 2026 (Closes in 11 days) 34909219

Opportunity title:Payroll Upgrade Project – Business Analysis ServicesNotice summary:Education Payroll Limited is seeking proposals from suitably qualified suppliers to provide a managed Business Analysis service for the Payroll Upgrade Project. The service will support requirements engineering, business process modelling, traceability, knowledge management, and responsible AI-assisted requirem...

34919860 - CON 26-54 Wallacetown New Toilet

TENDER Open

New Zealand, Southland 9 Oct 2026 (Closes in 11 days) 34919860

The project consists of design, construction, supply, installation and reinstatement works and siteworks which includes but are not limited to:• development of the design documentation, building and resource consent application• submission and management of building & resource consent• supply, install and delivery of a new two pan turnkey toilet block• installation of a new water bore, pump, a ...

33694604 - CWTP Wastewater Mesophilic Digester 1 Emptying and Cleaning

TENDER Open

New Zealand, Canterbury 9 Oct 2026 (Closes in 11 days) 33694604

The purpose of this RFT is to invite Tenderers to submit their Tenders for the emptying and cleaning of Digester No. 1 at Christchurch Wastewater Treatment Plant (CWTP).The objective of this RFT process is to obtain sufficiently detailed information from Tenderers about their respective organisations and their ability to provide the Works. This enables the Council to select and appoint a Contra...

34885339 - RFP 2794 - Temuka Raw Water Trunk Network Upgrade – Design and Build

RFP Open

New Zealand, Canterbury 6 Oct 2026 (Closes in 8 days) 34885339

TDC is seeking a qualified and experienced Three Waters contractor who is ready to try their hand at something a bit different – not just construction, but design too.Raw water for treatment at the Temuka Water Treatment Plant is sourced from six bores - three located on the treatment plant site and three located approximately 400-500 metres away near the intersection of Orari Station and Coach...

34871022 - 2813 - Stafford Street and Barnard Street Water Services Renewal

TENDER Open

New Zealand, Canterbury 1 Oct 2026 (Closes in 3 days) 34871022

Timaru District Council (TDC) is seeking a suitably experienced contractor to deliver the Stafford Street and Barnard Street Infrastructure Replacement project. The successful Tenderer will complete detailed design, supply materials, undertake construction, testing and commissioning and hand over of all installed infrastructure assets. The following bullet point list, is a non-exhaustive summar...

34866163 - Inlet Flow Measurement Upgrade at Whareroa WWTP

TENDER Open

New Zealand, Waikato 30 Sep 2026 (Closes in 2 days) 34866163

We require an engineered solution for the Whareroa Wastewater Treatment Plant (WWTP) to replace an existing stainless steel multi-V-notch weir plate. The primary driver for this upgrade is the extreme seasonal flow variability at the plant, which the current device fails to measure accurately at the lower end of the spectrum.Documents are available at no charge via the GETS web siteTenders clos...

34787882 - Wastewater Investment Accelerator - Pre-RFP Information

RFP Open

New Zealand 2 Oct 2026 (Closes in 4 days) 34787882

The Wastewater Investment Accelerator seeks to identify and evaluate suitable Suppliers for the planning, procurement, deployment, plus operations and maintenance, of standardised modular wastewater treatment solutions for communities of fewer than 2,000 people.The objective of the programme is to achieve compliance with wastewater environmental performance standards, while improving cost effic...

34824054 - ROI - Registration of Interest - Waikato Water Supply Programme Alliance

OTHER Open

New Zealand, Auckland 15 Oct 2026 (Closes in 17 days) 34824054

Watercare Services Limited (Watercare) is publishing a Registration of Interest for the procurement of design and construction services to undertake the Waikato Water Supply Programme (WWSP).The WWSP comprises a new water treatment plant, approximately 50km of pipeline, a storage reservoir, and ancillary works.This project will require a consortium of a contractor(s) and designer(s) to become N...

34808907 - P2026-741 Wastewater Growth Programme – Waipatu Local Servicing

TENDER Open

New Zealand, Hawke's Bay 30 Sep 2026 (Closes in 2 days) 34808907

P2026-741 – Wastewater Growth Programme – Waipatu Local ServicingTenders are requested for the above contract, which involves the construction of a wastewater gravity pipeline, a wastewater rising main and a watermain in the Waipatu area, together with the design and construction of a wastewater pump station.The works are located along Bennett, Panapa, Apatu, Kauru and Kenilworth Roads and a se...

34792390 - Kawakawa Wastewater Treatment Plant Upgrade

TENDER Open

New Zealand, Northland 30 Sep 2026 (Closes in 2 days) 34792390

Far North District Council (FNDC) is seeking a suitably qualified and experienced Contractor for the design and construction of new treatment infrastructure to upgrade the existing Kawakawa wastewater treatment plant (WWTP). The upgrade will replace a failing asset and provide capacity to support planned housing growth in the area.The design and construct delivery model reflects the site's chal...

34700322 - Contract 920 Waste and Water Main Renewals, Clyde St (SH1), Balclutha

TENDER Open

New Zealand 28 Sep 2026 (Closes today) 34700322

Renewal of water supply, wastewater and minor stormwater infrastructure along Clyde Street (SH1), Balclutha. Works include watermain and wastewater pipeline renewals, associated service connections, traffic management, testing, commissioning and reinstatement works, coordinated with NZTA's planned SH1 rehabilitation programme. Categories: 83100000 - Utilities

34547783 - C2526-002 Pines Wastewater Treatment Plant- New Inlet Works

TENDER Open

New Zealand, Canterbury 16 Oct 2026 (Closes in 18 days) 34547783

Selwyn District continues to see rapid growth in residential and commercial development, particularly in the urban centres of Rolleston, Lincoln, and Prebbleton. These communities are serviced by the Selwyn Sewerage Scheme (SSS), which comprises pumped conveyance to the Pines Wastewater Treatment Plant (WWTP) for centralised treatment and disposal. The Pines WWTP is located south-west of Rolles...

34456546 - 3 Waters Operations & Maintenance Contract 2027

TENDER Open

New Zealand 30 Sep 2026 (Closes in 2 days) 34456546

Through this Notice of Intent (NoI), the Queenstown Lakes District Council (QLDC) advises that the C-25-169 3 Waters Operations & Maintenance Contract 2027 tender process remains on hold while Council reconsiders its procurement approach in conjunction with the establishment of the proposed Water Services Council-Controlled Organisation (WSCCO).Council anticipates providing further formal advic...

Water & Sanitation Grants

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Frequently Asked Questions

Who issues water tenders most frequently?

Municipal water utilities, ministries of water and sanitation, river-basin authorities, and donor-funded PMUs under World Bank, AfDB and ADB projects.

Are WASH grants available to private companies?

Yes — innovation grants from Grand Challenges Canada, USAID DIV, and IFC TechEmerge support private-sector WASH solutions, though most grant flows still run through NGOs and government.

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