Flood Alert Issued for Alton Area in Hampshire

Source: Environment Agency · Hampshire, Alton area

This alert is no longer in effect.

Environment Agency issued it on April 7, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.

The Environment Agency has issued a flood alert for the Alton area in Hampshire due to high groundwater levels, with possible flooding in low-lying areas that could persist for weeks.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Hampshire, Alton area
Issued
April 7, 2026
Issuing authority
Environment Agency

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Hampshire, Alton area.

Alert Details

A Flood Alert has been issued by the Environment Agency. This alert is for groundwater flooding in the Alton area, with a severity level of 3.

Affected Areas

The alert affects the Alton area in Hampshire county, specifically within the Thames area. Low-lying areas and roads are at risk.

What You Should Do

Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. Take particular care when driving through flood water to ensure your own safety and prevent flooding to others.

Expected Conditions

Groundwater levels are high but slowly declining at the Farringdon borehole near Alton, leading to possible flooding of low-lying areas and roads. This situation could continue for several weeks or longer.

Timeline

The alert was raised on April 7, 2026, at 12:39:06. This message will be updated by 12:00 pm on April 14, 2026, or as the situation changes.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this Environment Agency flood warning: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the Alton area in Hampshire due to high groundwater levels, with possible flooding in low-lying areas that could persist for weeks.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Hampshire, Alton area. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.