Environment
NIHSA Alerts On More Floods
The Nigeria Hydrological Services Agency (NIHSA) has warned Nigerians to be prepared for more floods due to high rainfall intensity of long duration in the country.
Mr Clement Nze, the Director General of the agency gave the warning while briefing newsmen in Abuja.
Nze said that the warning became necessary as it served to alert Nigerians that the country would soon experience the peak of flooding season for the year 2019.
“The localised urban flooding incidents being witnessed in some cities and communities in the country are expected to continue.
“The flooding incidents are due to high rainfall intensity of long duration, rainstorms, blockage of drainage system and poor urban planning resulting in erection of structures within the floodplains and waterways.
“River flooding as well as coastal flooding is expected to come into place as the nation approaches the peak of raining season.
“Therefore, states and local governments should endeavour to remove structures built within the floodplains, clear blocked drainage, culverts and other waterways,” he said.
Nze said that the agency was closely monitoring the flooding across the country with the attendant loss of lives and property.
He said that the flooding were manifesting as predicted by the agency.
“This means that the relevant stakeholders, especially the individuals and state governments have failed to heed the non-adherence to flood predictions for 2019.
“Thereby resulting in avoidable flooding incidents leading to loss of lives and property, disruption of economic activities and loss of several hectares of agricultural lands,” he said.
The director general said that since 2013, the agency had continued to publish Annual Flood Outlook (AFO), following the devastating effect of the 2012 flood.
He said that the AFO report and effective sensitisation campaign by the agency had been saving the country from huge revenue losses due to flooding.
He said that AFO was a means of producing early flood warning information for stakeholders to use as yardstick for taking action to mitigate flood related disasters.
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This was disclosed in a keynote address by the Minister of Water Resources and Sanitation, Engr Joseph Utsev, at the AFO public presentation at the Presidential Banquet Hall, Abuja, organised by the Nigeria Hydrological Services Agency, NiHSA, with the theme ‘Smart Water Resources Management: Moving from Oil to Water-Based Economy’.
Utsev acknowledged that early information saves lives, livelihoods, protects infrastructure, and reduces economic losses, saying that, as part of the Federal Government’s commitment to improving flood forecasts and preparedness, is the modernisation of the national hydrological monitoring networks.
The minister also said his ministry is strengthening collaboration with the Nigerian Meteorological Agency, NiMet, to ensure better integration of weather and water information, as it is critical for delivering reliable forecasts that support farmers, disaster managers, urban planners, and other key sectors of the economy.
He said AFO is therefore not just a scientific report, it is a call to action by all in terms of preparation ahead of the flood season, as early information saves lives, livelihoods, protects infrastructure, and reduces economic losses.
However, the minister acknowledged that forecasts alone are not sufficient if the information does not translate into action at the community level, which he said his Ministry is working with other relevant government agencies to mitigate the impacts of flooding.
Meanwhile, the 2026 AFO presentation had in attendance President Bola Tinubu, represented by the Minister of Environment, Balarabe Lawal.
Others present were the federal ministries: Water Resources and Sanitation; Livestock Development, Environment and Women Affairs.
Others include the Speaker of the House of Representatives, State Governments, Service Chiefs, development partners and the media.
He said: “The 2026 flood forecast presented today provides us with the following general highlights: High Flood Risk: 14,118 communities in 266 Local Government Areas (LGAs) in 33 States and FCT fall within the high flood risk areas. The States are: Abia, Adamawa, Anambra, Bauchi, Bayelsa, Benue, Borno, Cross River, Delta, Ebonyi, Edo, Enugu, Gombe, Imo, Jigawa, Kaduna, Kano, Kebbi, Kogi, Kwara, Lagos, Nasarawa, Niger, Ogun, Ondo, Osun, Oyo, Plateau, Rivers, Sokoto, Taraba, Yobe, Zamfara and the FCT.
“Moderate Flood Risk: 15,597 Communities in 405 LGAs, 35 states except Ekiti State, will experience moderate flood risk.
“Low Flood Risk: Incidences of minimal flood is expected in 923 communities in 77 LGAs in 24 States. The States are Adamawa, Anambra, Bauchi, Bayelsa, Benue, Borno, Cross River, Delta, Ebonyi, Edo, Jigawa, Kaduna, Kano, Kebbi, Kogi, Nasarawa, Niger, Ogun, Ondo, Osun, Oyo, Sokoto, Taraba and Zamfara.
“Flash and Urban Flooding: Flash and urban flooding are projected in major cities in the country due to high rainfall intensities, low attention to management of water facilities including drainage systems, waterways and lack of flood resilience structures. Cities such as Abakaliki, Abeokuta, Abuja, Asaba, Benin City, Birnin–Kebbi, Calabar, Ibadan, Kaduna, Kano, Lagos, Makurdi, Nguru, Onitsha, Oshogbo, Port Harcourt, Sokoto, Warri and Yola, among others are to experience these categories of flood incidence.
“Coastal and Riverine Flooding: Bayelsa, Cross River, Delta, Lagos, Ogun, Rivers and Ondo are to experience coastal flooding due to rise in sea level and tidal surge and this would impact on fishing, wildlife habitation and river navigation.”
He also emphasised that, “As we transition toward a water-based economy, we must recognize that water security is national security. Effective water governance will play a critical role in ensuring food security, supporting economic diversification, and improving the overall well-being of our citizens.”
However, the Minister called on State andand Local Governments including communities to start preparation to mitigate the impacts of the predicted flood.
“I therefore call on state governments, local authorities, disaster management agencies, farmers, and community leaders to carefully study the findings and advisories contained in this document and take the necessary steps to prepare for the coming flood season.
“Furthermore, we are encouraging state governments to integrate flood risk considerations into land-use planning, urban development, and infrastructure design.
“Floodplains must be properly managed, drainage systems must be improved, and communities must be empowered to adapt to changing climate conditions.
“Preparedness remains the most effective strategy for reducing flood risks. When we plan ahead, we protect lives, safeguard infrastructure, and preserve economic gains. Let us commit to building a safer, more resilient and more water-secure nation.”
Earlier, the Director General/Chief Executive Officer, Nigeria Hydrological Services Agency, Umar Ibrahim Mohammed, NiHSA, said the 2026 AFO aligns with the Renewed Hope Agenda in terms of economic diversification, infrastructure development, climate resilience, food security and sustainable water management.
Mohammed also explained that, “The AFO has evolved into an important national planning instrument that provides early scientific prediction of flood risks in the country, evidence-based guide for decision-makers and platform for emergency coordination among stakeholders.
“In producing this year’s forecast, the Agency undertook a comprehensive and data-driven process to provide tailored information for high-risk flood zones and flash floods in urban cities and towns.
“Building on the success achieved through AFO publications, we have upgraded from reporting flood forecast to Flood Risk Intelligence Architecture and from the traditional modelling to Hybrid AI-Integrated Modelling system to improve forecast reliability, reduce false alarms and improve the lead time accuracy.
“Not these alone, the modelling for the 2026 forecast have been conducted in-house. This marks a strategic shift toward enhancing capacity building, manpower development and institutional resilience.”
