Saudi Arabia’s NWC awards package 12 of sewage scheme

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The contract covers the construction and upgrade of seven sewage treatment plants with a combined capacity of about 162,000 cubic metres a day ...

Local contractor Al-Yamama has won the contract for package 12 of Saudi Arabia’s long-term operations and maintenance (LTOM) sewage treatment programme, sources close to the project have confirmed to MEED.

It is understood that the contractor offered a levelised tariff of SR0.98 a cubic metre for the project.

The state-owned National Water Company (NWC) is delivering the sewage treatment plant rehabilitation programme in two phases, including up to 19 packages.

Known as the North Western B Cluster, LTOM12 was tendered last year, and bids were submitted in November 2025.

Under the original scope, the contract covers the construction and upgrade of seven sewage treatment plants with a combined capacity of about 162,000 cubic metres a day (cm/d).

In February, MEED exclusively reported that five bidders were awaiting a decision on the award.

According to a source, NWC opened financial bids for the tender in April.

The contract represents Al-Yamama’s first award under the LTOM programme. However, the contractor has previously worked with NWC on several water infrastructure projects and is continuing construction works on a treatment plant expansion project in Al-Khobar in the Eastern Province.

On 2 September, NWC announced the formal signing of a $347m contract with a Saudi-Chinese consortium for Northern Cluster Sewage Treatment Plants Package 10 (LTOM10).

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