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CapexCue · Public evidence · Printed 11 Nov 2026
Explore projects / Project dossier

Masterton raw water supply project

New Zealand · Water and environment

In-depth research Release 1

Project scope

Plan: Build groynes along the true left bank of the Waingawa River (Waingawa Awa) to control riverbank erosion. The page explains that the true left bank is the bank on the left when facing downstream. It does not state the number, dimensions, or precise chainage of the groynes.

Reported status and procurement

Reported development
Not established
Procurement availability
Unknown / not established

A source report alone does not establish current progress or an open buying window.

Project summary

The Masterton raw water supply project is located in Masterton on the true left bank of the Waingawa River. Planned works are groynes along that bank to control erosion and protect the raw water supply. At the source observation on 2026-10-02, the page reported that enabling works had begun and that the project was due for completion in 2026; it gave no exact start or completion date.

Evidence limits and unknowns

The source does not specify the groynes’ number, dimensions, materials, design, or precise location/chainage.

The reported completion year is a target, not confirmation of completion. The supplied evidence does not establish subsequent project progress.

The source reports programme-level co-funding for 16 projects, but gives no funding amount, allocation, or terms for this project.

Mills Albert is described as lead contractor for Greater Wellington flood-resilience projects generally; the supplied text does not confirm whether that appointment covers this project.

Evidence coverage includes the complete section for this project and selected shared sections, not the whole page. Other site sections, linked materials and media were not reviewed; no details have been inferred from them.

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Project metadata

Country
New Zealand
Based on reviewed release evidence
Region
Oceania
Category
Water and environment
Derived from released evidence
Physical assets
Not classified

Based on this release's supporting evidence. Unresolved fields remain unclassified; these labels do not establish current progress or a buying window.

Released facts and supporting evidence

Each fact retains its source, uncertainty and time context. If a publisher page moves or is unavailable, use the recorded quotation and observation date below.

Project name

Source reported

Masterton raw water supply project

Attributed to Greater Wellington Regional Council project narrative.

Source: Greater Wellington Regional Council own-text flood protection records · publication date not recorded · observed 2026-10-02

Sources and evidence · Greater Wellington Regional Council own-text flood protection records
Source published: Not recordedObserved: 2026-10-02

Greater Wellington Regional Council own-text flood protection records
Attributed to Greater Wellington Regional Council project narrative

Technical record · Masterton raw water supply project
Evidence location
/html/body/main/div[2]/div/div[1]/div/div[2]/div/div[7]/button/h3
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
6945847e-d4f0-4b1d-a903-cd20dda36799
Evidence reference
a91015e6-ef35-4c01-9478-0fc839e5fefe
Source revision
76f4c657-4151-413a-a88f-e2b29a847c15
Content fingerprint
c71ee05576091953862c696126b62fc0aa9a0b98afa09e4c4bc9809c3eaab9bd
Source address
https://www.gw.govt.nz/your-region/emergency-and-hazard-management/flood-protection/our-work/flood-resilience-projects/

Scope

Planned

Build groynes along the true left bank of the Waingawa River (Waingawa Awa) to control riverbank erosion. The page explains that the true left bank is the bank on the left when facing downstream. It does not state the number, dimensions, or precise chainage of the groynes.

Attributed to Greater Wellington Regional Council project narrative.

Source: Greater Wellington Regional Council own-text flood protection records · publication date not recorded · observed 2026-10-02

Sources and evidence · Greater Wellington Regional Council own-text flood protection records
Source published: Not recordedObserved: 2026-10-02

Greater Wellington Regional Council own-text flood protection records
Attributed to Greater Wellington Regional Council project narrative

Technical record · Build groynes along the true left bank of …
Evidence location
/html/body/main/div[2]/div/div[1]/div/div[2]/div/div[7]/div/p[1]
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
ac7affea-7463-475b-98b9-12b883e55203
Evidence reference
31736d27-d474-4fc0-97fe-0dc35d922813
Source revision
76f4c657-4151-413a-a88f-e2b29a847c15
Content fingerprint
c71ee05576091953862c696126b62fc0aa9a0b98afa09e4c4bc9809c3eaab9bd
Source address
https://www.gw.govt.nz/your-region/emergency-and-hazard-management/flood-protection/our-work/flood-resilience-projects/

Location

Source reported

Masterton, on the true left bank of the Waingawa River (also called Waingawa Awa in the project description).

Attributed to Greater Wellington Regional Council project narrative.

Source: Greater Wellington Regional Council own-text flood protection records · publication date not recorded · observed 2026-10-02

Sources and evidence · Greater Wellington Regional Council own-text flood protection records
Source published: Not recordedObserved: 2026-10-02

Greater Wellington Regional Council own-text flood protection records
Attributed to Greater Wellington Regional Council project narrative

Technical record · Masterton, on the true left bank of the …
Evidence location
/html/body/main/div[2]/div/div[1]/div/div[2]/div/div[7]/button/h3
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
33c8978e-6a46-4ebf-9b11-b13dffe58290
Evidence reference
8a78499c-266e-415f-96ec-63769080b3f9
Source revision
76f4c657-4151-413a-a88f-e2b29a847c15
Content fingerprint
c71ee05576091953862c696126b62fc0aa9a0b98afa09e4c4bc9809c3eaab9bd
Source address
https://www.gw.govt.nz/your-region/emergency-and-hazard-management/flood-protection/our-work/flood-resilience-projects/
Source report history

Prior and superseded states remain labelled. Dates below identify source publication when known, otherwise source observation. They are not assumed event dates; each fact retains its own time qualifications.

  1. No material timeline events have been released.

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