Lagos Flood Risk Map & Historical Record

Governor Sanwo-Olu publicly admitted over 57,000 residents were impacted between January and October 2025, with more than 3,000 displaced and 6,000 directly affected. NiMet forecast heavier rainfall than 2023. NEMA reported 191 deaths from floods across 20 states by August 2025, with Lagos recording 18,125 affected persons. Despite a ₦6 billion 2025 budget allocation for flood control, only ₦1.5 billion of the 2024 allocation was spent.

Torrential rain swallowed communities in Agric and Ijede, Ikorodu. Viral videos showed residents wading through floodwaters. Resident: "From Aug 3–4, inside and outside my house is full of water. Big ocean. See cars inside water." Lagos Govt issued formal 'Move Now' evacuation for Majidun coastline, Lekki corridor, Ajegunle, and Isheri (OPIC).

Two major flash flood events within a week. Ago Palace Way, Osapa London, Wempco Road, Kusenla Rd, Maryland, Lagos Island all simultaneously flooded. Commuters stranded until 10pm. Commissioner Wahab confirmed govt survey revealed Kusenla drainage is structurally 1.2m below downstream level.

Premium Times confirmed streets in Itafaji, Lagos Island were flooded for days — even before additional rainfall. Jankarra Market and Itafaji streets taken over by stagnant foul-smelling gutter water. Bakery, Mountain of Fire Ministry, shops and St John Primary School all affected. Attributed to complete absence of drainage systems.

Heavy rainfall caused flash flooding across multiple LGAs. In Mushin, floods destroyed a two-storey building and prevented students from attending school. A student was swept away by floodwaters in Ketu. The Lekki-Ajah corridor remained on continuous flood alert throughout the wet season.

Most catastrophic flood event since 2012/2013. Over 8,000 residents displaced. More than 16,000 families affected. The Ogun-Osun River Basin Authority released record water volumes — 2,274mcm in the first 10 months of 2023. Lagos State issued formal evacuation orders for Ajegunle, Kara, Lekki-Ajah and Ogun River bank communities.

Compound event combining high tides (+122cm above normal) and heavy rainfall inundated large parts of Lagos. An estimated 100 people were killed, thousands rendered homeless. Lagos State declared a state of disaster. Approximately 4,000 people were forced to leave their homes.

The 2012 floods were the worst in four decades, affecting 30 of 36 states. In Lagos, ~1,000 residents were displaced by floods linked to heavy rainfall and Oyan Dam releases into the Ogun River. Ijora-Badia severely flooded. Estimated national damages reached ₦2.6 trillion.