Areas at risk of groundwater flooding in Denmead in Hampshire, including Anmore Road.
See below for historical flood warnings, or use the live map to check the latest warnings across the UK.
The orange highlighted area on the map below outlines the area covered by this Flood Alert.
Number of historic Flood Alerts that have previously been recorded for this area.
Groundwater
Groundwater levels have been falling steadily. 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. Sewerage system impacts may continue during March. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Septic tanks may need emptying as soakaways may not work for some time. You are advised to take the opportunity to check any pumps are in good working order and that stocks of sandbags are replenished.
Groundwater
Groundwater levels in Denmead are high but slowly falling. At the borehole at Rookwood Farm, the level has fallen by 70cm in the last week. Water is expected to be affecting Anmore Road and Mill Close. High groundwater levels could affect the sewage network from operating as effectively. On Thursday 12/03/2026 into Friday 13/03/2026, between 15 and 20mm of rain is forecast to affect Hampshire. Drier weather is expected over the weekend. If heavy rain affects Denmead, ongoing flooding impacts will be prolonged. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be updated by 18:00 18/03/2026.
Groundwater
Groundwater levels in Denmead are high but slowly falling. At the borehole at Rookwood Farm, the level peaked on Saturday 28/02/2026 and has fallen by 25cm. Water is flowing into the road at Anmore Road and Mill Close. High groundwater levels could affect the sewage network from operating effectively. Only small amounts of rain are forecast from Thursday 05/03/2026 to Monday 09/03/2026. Groundwater levels in Denmead will continue to slowly fall across this week. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be updated by 18:00 12/03/2026.
Groundwater
High groundwater levels may lead to flooding. Flooding is possible . Little rain (10mm) has been recorded in the last week. The rate at which groundwater levels are rising in Denmead has started to slow. Water is flowing into the road and could affect the sewage network in operating as efficiently. From Thursday 26/02/2026 to Monday 02/03/2026, only small amounts of rain are expected in Hampshire. Groundwater levels in Denmead will begin to stabilise during the next week. We are closely monitoring the situation . Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed . This message will be updated by 6:00PM on 05 March 2026 or as the situation changes.
Groundwater
High groundwater levels may lead to flooding. Flooding is possible from 20/02/2026, because of a very wet January and February. Water may begin to flood into Anmore Road and could affect the sewerage network from operating efficiently. From Friday 20/02/2026 to Monday 23/02/2026, only small amounts of rain are forecast to affect Hampshire. In the next 2 weeks, flooding could affect cellars of a small number of properties in Anmore Road. Groundwater levels are expected to remain high throughout February and into March. We are closely monitoring the situation . Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed . This message will be updated by 6:00PM on 26 February 2026 or as the situation changes.