Saudi Arabia completes over 200 km of stormwater drainage networks in first half of 2026

Riyadh, Saudi Arabia — The Ministry of Municipalities and Housing has completed over 200 kilometers of stormwater drainage networks in the first half of 2026, according to a press release. The network expansion included more than 115 kilometers of main drainage systems and around 85 kilometers of secondary systems.

Construction averaged more than one kilometer of new network per day, indicating the magnitude of the infrastructure development underway across Saudi cities. The projects are designed to enhance cities' ability to manage rainfall efficiently, improve road safety and traffic flow, reduce water accumulation, protect public facilities, and maintain service continuity during adverse weather.

The completed works also included measures to mitigate flood risks, with over 10.2 kilometers of box culverts and approximately 4.9 kilometers of stormwater and flood drainage channels constructed. Additionally, 24 retaining walls were built to reinforce the integrated drainage system and protect areas exposed to rainfall and flood risks.

Using more than 87,500 cubic meters of reinforced concrete, the ministry said the projects prioritize infrastructure development according to urban development patterns, rainfall conditions, and specific needs of individual cities. This approach aims to direct resources to priority locations, improve existing infrastructure efficiency, and expand drainage networks in line with urban growth.

The projects are part of a broader initiative to develop municipal infrastructure, build more resilient cities, and prepare Saudi Arabia to cope with heavy rainfall while safeguarding residents, public facilities, and other assets. The ministry announced it will continue implementing and expanding stormwater drainage and flood mitigation projects nationwide to enhance urban resilience and provide safer, more efficient, and sustainable cities.