Operational Assessment of Urban Flood Risk Management Practices in Ibadan Metropolis

Urban flooding in Ibadan Metropolis has escalated in frequency and impact over the past decade, exposing critical weaknesses in institutional flood risk management frameworks. This study presents a professional operational assessment of flood risk management practices in Ibadan, evaluating the meteorological, engineering, and institutional dimensions of the city's flood response system. Primary data were collected through structured interviews with 25 professionals from the Oyo State Ministry of Environment, Ibadan Urban Flood Management Project, NiMet, and NEMA, supplemented by direct inspection of key drainage infrastructure. Historical flood event records compiled from NEMA Oyo State situation reports covering 2018 to 2023 were reviewed alongside rainfall records from Ibadan Airport and IITA meteorological stations. Findings reveal that early warning lead times average only 45 minutes before peak flooding in high-risk areas, severely constraining evacuation capacity. Structural drainage assessments confirm that 68 percent of primary drainage channels in sampled catchments operate below design capacity due to siltation and encroachment. Institutional assessment reveals fragmented coordination among flood management actors with no single agency holding clear operational authority during emergency events. The study recommends establishment of a multi-agency Ibadan Flood Operations Centre with dedicated NiMet real-time rainfall data feeds and codified escalation protocols. Keywords: urban flood, risk management, Ibadan, early warning, drainage.