The treatment process is intended to address metals associated with mining pollution.

The plant remained under construction at the reporting date. Water-quality compliance must be demonstrated during commissioning.

What happens next

The project milestone comes from an official provincial record. Programme announcements, design, procurement, construction, commissioning and handover are separate stages, and the status reported here reflects the position stated by the issuing authority.

Built Report will update this Mpumalanga record when the responsible authority publishes a later award, progress certificate or completion notice. Contract values and dates are not inferred where the source does not provide them.

What we will track next

The next useful update on Vaal Bank reverse-osmosis plant reaches 40% should identify the current project stage, the evidence supporting it and the decision that must follow. Planning, procurement, construction, commissioning and handover are different milestones and should be reported separately.

Readers should look for a dated scope, responsible institution, approved budget, revised completion date and a clear statement of outstanding work. Those details make progress measurable and reduce the risk that an announcement is mistaken for a finished, operating asset.

Sources