Adelaide’s CBD has been impacted by a major infrastructure incident after a burst water main caused flooding across Grenfell Street and disrupted power supplies to surrounding areas.

The incident affected several CBD buildings, businesses and public facilities, with water damage creating challenges for emergency and repair teams. Power interruptions were reported across parts of central Adelaide as crews worked to make the area safe and restore essential services.

SA Water and SA Power Networks crews responded to the incident, working through underground infrastructure challenges and damaged areas to repair the affected systems. The complexity of the underground network has slowed restoration efforts.

The disruption affected commercial properties, with some businesses beginning clean-up operations after water entered affected areas. Authorities have advised that recovery work may continue as repairs progress.

Adelaide Botanic High School was among facilities impacted, with safety concerns leading to temporary closure while the situation was managed. Hospital services were also affected but resumed once power issues were addressed.

The incident highlights the importance of maintaining ageing urban infrastructure in major Australian cities. Water, electricity and transport systems require ongoing upgrades to support growing populations and reduce disruption risks.

Adelaide is South Australia’s capital city and a major centre for government, education, health, business and culture. Events affecting the CBD can have significant impacts because thousands of workers, students and visitors use the area every day.

Authorities continue monitoring the situation while repair teams work towards full restoration. Residents and businesses have been advised to follow updates and avoid affected areas where possible.

The CBD recovery effort will continue as crews complete repairs and assess damage caused by the burst water main.