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2 clusters · 4 sources · 10 days · First seen 15 days ago · Last updated 5 days ago

Saudi Arabian stormwater drainage infrastructure development

Overview

Saudi Arabian municipal authorities have undertaken significant infrastructure projects to improve stormwater management and flood prevention across the Kingdom.

In Riyadh, the municipality completed the rehabilitation of the 110-kilometer Wadi Al-Sully waterway. This project involved reshaping the valley and managing 21 tributaries to restore natural water flow and integrate the area into the city’s drainage network. The works, which included massive excavation and the installation of hydraulic structures, are designed to accommodate up to 40% of Riyadh’s rainwater and runoff from 75 neighborhoods.

Broadening the scope of these efforts, the Ministry of Municipalities and Housing reported the completion of over 200,000 linear meters of drainage networks across various cities during the first half of 2026. This initiative included the installation of main and secondary networks, box culverts, and drainage channels intended to increase urban readiness for rainy weather and enhance overall urban resilience.

Entities

Riyadh · Wadi Al-Sully · Ministry of Municipalities and Housing · Riyadh Municipality

Timeline

5 days ago

[BUSINESS] 2 sources
Saudi Ministry of Municipalities and Housing completes 200,000m of drainage networks
Saudi Arabia's Ministry of Municipalities and Housing completed over 200,000 meters of stormwater drainage networks in the first half of 2026 to improve flood readiness and urban safety.
15 days ago

[BUSINESS] 3 sources
Riyadh Municipality completes 110km Wadi Al-Sully rehabilitation
Riyadh Municipality has completed the 110km rehabilitation of Wadi Al-Sully, restoring its natural flow to manage up to 40% of the city's rainwater and improve flood drainage across 75 neighborhoods.

Sources

1asir.com · alsaudi.news · ien.sa · swiftnewz.com