Flood Alert Issued for Lavant Stream at Havant, Hampshire

Alert Details

The Environment Agency has issued a flood alert for the Lavant Stream at Havant within the Solent and South Downs area. The alert was officially raised on February 21, 2026, following observations of higher-than-normal river levels and a forecast for incoming precipitation.

Affected Areas

The alert specifically covers the Lavant Stream in Havant, Hampshire. Authorities have identified Crossland Drive as a primary area of concern, where river levels are currently much higher than normal. If debris screens at this location become blocked, gardens of properties located immediately on either side of the river could be impacted. At this time, no impacts are expected for Eastern Road or Havant Town Centre.

What You Should Do

Residents in the warning area are advised to consider activating any flood protection products they may have. The Environment Agency is closely monitoring the situation and checking the river for potential blockages. Members of the public should report any observed blockages to the agency’s hotline at 0800 80 70 60.

Expected Conditions

Forecasts indicate up to 18mm of rain may fall on Sunday, February 22, which could cause river levels and flood risks to increase. While river levels remain higher than normal, the flood risk will stay elevated. Conditions are expected to stabilize early next week, with minimal rain (up to 1mm daily) forecast from Monday, February 23, through Wednesday, February 25.

Timeline

The alert is effective immediately, with flooding possible on Sunday, February 22, 2026. The Environment Agency expects to provide an updated status message by 18:00 on February 23, 2026.