In a fast-paced, sustainable development of cities, the issues of stormwater management, flood risk mitigation, wastewater treatment and recycling assume critical importance. Under the visionary leadership of Crown Prince Mohammed bin Salman, the Kingdom of Saudi Arabia has been undergoing rapid development with sustainability as a key focus. Water security is a matter of urgency; on 23-24 June 2025 the 2nd Stormwater and Wastewater Conference Saudi Arabia will rise to meet this challenge. Expanding on last year’s successful launch, the event assembles industry leaders, policy makers and experts to address groundbreaking approaches in stormwater and wastewater management in the Kingdom.