South African authorities ordered urgent evacuations in the Gamtoos Valley after the Kouga Dam exceeded full capacity and the Gamtoos River burst its banks [1].

The flooding creates a humanitarian crisis in the Eastern Cape, disrupting local infrastructure and forcing residents to flee their homes as water levels rose rapidly.

The disaster began when the Kouga Dam overflowed [1]. This surge caused the Gamtoos River to breach its banks, leading the Kouga Municipality to issue immediate evacuation orders for residents in the affected valley [2], [3].

Rescue operations were launched to assist those caught in the rising waters. Reports indicate that 40 residents became trapped at the river mouth [4]. Emergency teams have since rescued 21 people from the flood disaster [5].

The aftermath of the overflow has left scores of people homeless [6]. Local officials and emergency services continue to monitor the situation as they manage the displaced population and assess the damage to the region.

Communication from the municipality said the evacuations were necessary to prevent further loss of life. The overflow of the dam transformed the river into a destructive force, sweeping through residential areas and cutting off access routes — a scenario that necessitated the high-risk rescue missions [1], [2].

Authorities are now focusing on providing shelter for those who lost their homes and ensuring the stability of the remaining dam infrastructure [3], [6].

The Kouga Dam exceeded full capacity, causing it to overflow.

The overflow of the Kouga Dam highlights the vulnerability of the Gamtoos Valley to extreme weather and infrastructure limits. The discrepancy between the number of trapped residents and those successfully rescued suggests a challenging operational environment for emergency services, while the scale of homelessness indicates a significant need for long-term recovery efforts in the Eastern Cape.