Design Build and Operate (DBO) of the Wadi Zarqa Wastewater Treatment Plant Phase 1

Tender summary

Wadi Zarqa WWTP, based on current flow projections, is planned to be implemented in two phases: Phase 1 aims to achieve a wastewater treatment of 150,000 m3/day by 2030. Phase 2 is planned to add additional capacity of 200,000 m3/day to Phase 1, achieving a total project capacity of 350,000 m3/day by 2034-2035. The project scope, is for the Design, Build and Operate of the Phase 1 of Wadi Zarqa Wastewater Treatment Plant (WWTP) and associated facilities. The project scope includes but is not limited to the design, permitting, supply, delivery, construction, commissioning, operation, maintenance and transfer of the Wadi Zarqa WWTP, with a Phase 1 treatment capacity of 150,000 m3/d, an approximately 1.4 MW hydropower plant, the conveyance system from the West Zarqa Pump Station (WZPS) to Wadi Zarqa WWTP including 12 km of pipeline with a diameter to be confirmed (estimated at up to 1,600 mm), as well as the expansion of the pre-treatment facility at WZPS.

What to check before bidding

• Issued by Water Authority of Jordan (WAJ).
• Located in JOR.
• Source notice 869776-2025 on TED.
• Notice published 31 Dec 2025; Tenqual indexed it 2 Jan 2026.
• No closing date is listed yet.
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