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Groundwater flooding in Deane and Ashe in North Hampshire

Areas at risk of groundwater flooding in Deane and Ashe in the Upper Test catchment in North Hampshire

Flood alert area Groundwater Hampshire Solent and South Downs

Map

Nearby Monitoring Stations

Flood Event History (44)

1 Apr 2026 at 4:44pm Flood Alert
Groundwater levels are falling. We do not expect further flooding and the flood alert has been removed.  Rivers and streams remain full due to high groundwater levels and will react rapidly to further rainfall. Residual flooding impacts will reduce in the coming weeks.  We will continue to monitor t...
25 Mar 2026 at 4:48pm Flood Alert
Groundwater levels in Deane and Ashe are high but slowly falling. At the borehole in Oakley, the level has fallen by 9cm in the last week. Flooding could affect the ability of septic tanks to operate effectively. From Wednesday 25/03/2026 to Sunday 29/03/2026, only very small amounts of rain are for...
18 Mar 2026 at 3:32pm Flood Alert
Groundwater levels in Deane and Ashe are high but slowly falling. At the borehole in Oakley, the level peaked on Saturday 14/03/2026 and has since fallen by 7cm. Flooding could affect the ability of septic tanks to operate effectively. Dry weather is forecast from Wednesday 18/03/2026 to Sunday 22/0...
11 Mar 2026 at 1:10pm Flood Alert
High groundwater levels may lead to flooding.  Flooding is possible . Light rain (10mm) was recorded in the last week.  At the borehole in Oakley, the level has risen by 10cm in the last week. Flooding is affecting the ability of septic tanks to operate effectively. The River Test will be flowing in...
4 Mar 2026 at 3:32pm Flood Alert
High groundwater levels may lead to flooding.  Flooding is possible , though little rain (7mm) has fallen in the last week.  In the last week, the level at the borehole in Oakley has risen by 26cm. Flooding is affecting the ability of septic tanks to operate effectively. The River Test will be flowi...
25 Feb 2026 at 1:15pm Flood Alert
High groundwater levels may lead to flooding.  Flooding is possible . Mostly light rain (18mm) has fallen in the last week.  Flooding is affecting the ability of septic tanks to operate effectively. The River Test will be flowing in Deane and Ashe. Today 25/02/2026, dry weather is expected. From Thu...
18 Feb 2026 at 11:08am Flood Alert
3 Mar 2025 at 4:40pm Flood Alert
24 Feb 2025 at 3:43pm Flood Alert
3 Feb 2025 at 3:54pm Flood Alert
27 Jan 2025 at 4:38pm Flood Alert
13 Jan 2025 at 2:51pm Flood Alert
2 Apr 2024 at 12:48pm Flood Alert
18 Mar 2024 at 12:12pm Flood Alert
11 Mar 2024 at 3:59pm Flood Alert
4 Mar 2024 at 1:57pm Flood Alert
26 Feb 2024 at 1:52pm Flood Alert
20 Feb 2024 at 5:24pm Flood Alert
13 Feb 2024 at 10:39am Flood Alert
6 Feb 2024 at 3:39pm Flood Alert
30 Jan 2024 at 2:17pm Flood Alert
23 Jan 2024 at 1:39pm Flood Alert
16 Jan 2024 at 1:59pm Flood Alert
10 Jan 2024 at 2:34pm Flood Alert
5 Jan 2024 at 4:44pm Flood Alert
15 Apr 2020 at 10:02am Flood Alert
8 Apr 2020 at 12:20pm Flood Alert
30 Mar 2020 at 10:41am Flood Alert
23 Mar 2020 at 11:12am Flood Alert
12 Mar 2020 at 12:38pm Flood Alert
5 Mar 2020 at 2:58pm Flood Alert
27 Feb 2020 at 10:05am Flood Alert
20 Feb 2020 at 10:41am Flood Alert
16 Feb 2020 at 12:48pm Flood Alert
5 Mar 2014 at 4:15pm Flood Alert
26 Feb 2014 at 3:21pm Flood Alert
11 Feb 2014 at 5:48pm Flood Alert
5 Feb 2014 at 3:17pm Flood Alert
29 Jan 2014 at 3:03pm Flood Alert
21 Jan 2014 at 1:39pm Flood Alert
6 Jan 2014 at 3:43pm Flood Alert
13 Mar 2013 at 2:21pm Flood Alert
30 Jan 2013 at 6:49pm Flood Alert
7 Jan 2013 at 11:51am Flood Alert

Related Flood Areas

Official sources for this area

This area on the Environment Agency’s flood service →
Floodline quick dial: 216000 — call 0345 988 1188 and give that code for a recorded update on this area.
Area code: 065FAG001

Live warnings and area boundaries are the Environment Agency’s and the EA is the authority on them. Contains public sector information licensed under the Open Government Licence v3.0. This area in the EA’s own data.