Authorities in Nairobi have ordered residents in Kibera and five other estates to evacuate immediately amid fears that the Nairobi Dam could overflow.
The Water Resources Authority (WRA) issued a warning citing dangerously rising water levels in the reservoir. Officials fear a potential breach of the dam’s embankment, which could unleash flash floods downstream.
“Due to the ongoing heavy rains, residents living downstream of Nairobi Dam are warned of imminent flood risk,” said Noel Ndeti, WRA Subcounty Coordinator. “Everyone living or operating downstream is advised to relocate to higher ground immediately.”
The evacuation affects residents in Kibera, Nyayo Highrise, Dam Estate, Lang’ata, Nairobi West, and Madaraka.
The warning comes as the Kenya Meteorological Department predicts rainfall exceeding 20mm in 24 hours across several regions from March 19 to 24.
Government spokesperson Isaac Mwaura said authorities are closely monitoring the dam while conducting technical assessments to gauge potential risks. “The government advises residents living downstream to remain alert,” he said.
This alert is part of a broader effort to map flood-prone areas across the city. Under the Nairobi Rivers Regeneration Programme, authorities have identified 37 neighbourhoods along major river corridors at high risk of flooding.
In Nairobi East, the list includes Kiambiu, Dandora, Kariobangi, Kayole, Komarock, Njiru, Ruai, Mwiki, Donholm, Savannah, Tassia, and Fedha. In Nairobi West, areas such as Madaraka, Nairobi West, Lang’ata, Kawangware, Kangemi, Lavington, Westlands, Parklands, Kitisuru, Spring Valley, Kileleshwa, and Chiromo were flagged.
The northern corridor includes Mathare, Korogocho, and Lucky Summer along the Mathare River, while central districts like the CBD, Globe, Gikomba, Eastleigh, and the Industrial Area are also vulnerable. In the south, Kilimani, Kibera, South C, South B, Mukuru Kwa Reuben, and Kwa Njenga lie along the Ngong River corridor.
Residents in these areas are urged to move quickly and take precautions as heavy rains continue to batter Nairobi, threatening transport networks and homes alike.
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