The Nigeria Hydrological Services Agency (NIHSA) issued a crucial National Flood Advisory (Alert No. NFA-2026-200), placing 17 states on a high-alert status due to rapidly rising river levels and the imminent threat of flash floods.
The advisory identifies a broad stretch of vulnerable regions, including Adamawa, Bauchi, Benue, Borno, Edo, Gombe, Imo, Jigawa, Kaduna, Kano, Kebbi, Nasarawa, Niger, Plateau, Taraba, Yobe, and Zamfara. With multiple hydrometric monitoring stations recording water levels past critical watch and warning thresholds, federal and state agencies are racing against time to mitigate potential loss of life, destroyed farmland, and severe infrastructure damage.
What Triggered the Alert?
The primary driver behind this sudden warning is a combination of sustained seasonal precipitation and overflowing river systems. NIHSA’s hydrometric network tracks real-time data from river basins across the country. Recent readings revealed that key gauging sites, including Saminaka on the Karam River, the Waya Dam site on the Waya River, and Amber on the Amber River, have crossed dangerous threshold levels.
At least 16 primary hydrological gauging stations across Nigeria are reporting elevated river stages. When river channels fill to capacity, additional rain cannot drain naturally into tributaries, leading to swift surface runoff, overflowing riverbanks, and sudden flash flooding in nearby communities.
Key Takeaway from NIHSA:
“Our hydrological monitoring network indicates that river stages at critical monitoring stations have exceeded watch and warning thresholds… Communities along primary channels face imminent localised flooding.” — Umar Ibrahim Mohammed, Director-General, NIHSA
State-by-State Impact and Exposure Analysis
While the advisory spans 17 states, the physical exposure and community vulnerability vary significantly based on local topography, proximity to major rivers (such as the Niger, Benue, Karam, and Hadejia rivers), and infrastructure strength.
1. Bauchi State (Highest Projected Exposure)
Bauchi faces the highest degree of structural risk during this alert period. NIHSA’s spatial assessment highlights: 1,841 communities located on or directly adjacent to floodplains. 145 schools and 101 health facilities in high-risk zones. 8 major commercial markets vulnerable to sudden water surges.
2. Jigawa, Kano, and Kaduna (North-West Risk Zone)
The heavy river networks of the North-West put dense population centres and agricultural corridors at immediate risk:
Jigawa & Kano: Situated along the Hadejia-Jama’are river basin, these states routinely face severe agricultural inundation when upstream dams or tributaries swell. Floodwaters endanger vast rice, wheat, and vegetable farmlands.
Kaduna: Over 168 communities, alongside schools and religious centres, are located along active flood channels.
3. Niger, Adamawa, and the River Basins (North-Central & North-East)
Niger State: As host to major hydroelectric power dams (Kainji, Jebba, Shiroro), Niger State’s low-lying riverine areas are acutely sensitive to rising river levels. Flash floods here threaten both agricultural livelihoods and key transport routes connecting the North and South.
Adamawa, Taraba, & Benue: Positioned along the Benue River trough, these states face compound risks from both local rainfall and swelling upstream inflows.
4. Southern Regions (Edo and Imo)
The alert extends deep into the South:
Imo: 415 communities, 423 schools, and 198 health facilities fall within vulnerable flood zones.
Edo: Over 148 communities and 7 hectares of cultivated farmland face imminent flooding risks.
Action Plan: Directives for Disaster Management Agencies
To prevent a repeat of past devastating flood events, NIHSA has outlined clear operational protocols for emergency managers, local government councils, and community leaders.
The Broader Impact: Agriculture and Infrastructure
Beyond immediate threats to life, localised flooding poses a severe threat to Nigeria’s broader socio-economic stability:
Food Security: The affected states, particularly Kano, Jigawa, Kaduna, Adamawa, and Niger, form the agricultural backbone of the country. Inundated farmlands destroy crop yields right before harvest cycles, worsening food inflation across urban markets.
Public Health Risks: Standing floodwaters frequently contaminate shallow wells and municipal water sources, raising the risk of waterborne disease outbreaks such as cholera and typhoid in displaced populations.
Transport Infrastructure: Submerged highways, damaged bridges, and washed-out culverts cut off remote rural communities from essential emergency services and urban markets.
Safety Guidelines for High-Risk Communities
If you or your family reside in any of the 17 flagged states, adhere to these safety recommendations:
Know Your Evacuation Route: Identify the nearest designated safe shelter or high ground before water levels rise.
Never Cross Fast-Flowing Water: Just 15 cm (6 inches) of moving water can knock an adult off their feet, while 60 cm (2 feet) can sweep away a motor vehicle.
Protect Electrical Equipment: Turn off main power switches if floodwaters approach your home to prevent electrocution.
Stay Updated: Regularly monitor official broadcasts from NIHSA, NEMA, and your respective State Emergency Management Agency (SEMA).