Flood Warning Info - Groundwater flooding in the South Wiltshire Downs - The Chilmark
Area Description
Groundwater flooding for Chilmark.
This is a Flood Warning Area. For this area, you may receive Flood Warnings or Severe Flood Warnings.
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There are no Flood Warnings currently in force for this area. See below for historical flood warnings.
Area Covered by this Flood Warning
The red highlighted area on the map below outlines the area covered by this Flood Warning.
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Flood Warning History
Number of historic Flood Warnings that have previously been recorded for this area:
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Historical Flood Warnings for this Area
Flood Warning issued on 3 Apr 2024 16:53
Groundwater
The groundwater level at the Terraces, Fonthill borehole has risen to 116.885m above sea level and is forecast to reach 119.47m by Sunday the 7th, this is very close to the January 2014 level of 119.88m which is the highest recorded since 2003 . For reference the peak level in January this year was 118.43m.
The weather over the next two weeks will continue unsettled with a heavier band of rain expected on Friday. Groundwater levels are expected to continue rising steadily overv the next week.
Property flooding is expected and sewage systems may become inundated.
Residents should deploy any property flood resilience measures such as pumps, flood barriers and air brick covers.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated as the situation changes.
Flood Warning issued on 11 Mar 2024 15:31
Groundwater
The groundwater level at the Terracres Fonthill borehole has risen to 116.75m above sea level and is forecast to stabilise at about this level for the next few days. For reference the peak level in January was 118.53m
The weather over the next two weeks will continue unsettled with a heavier band of rain expected midweek. This will maintain groundwater levels at their current position for several days.
Property flooding is expected and sewage systems may become inundated.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated as the situation changes.
Flood Warning issued on 5 Mar 2024 16:37
Groundwater
The groundwater level at the Terraces Fonthill borehole has risen to 117.6m above sea level and is forecast rise to 118.16 by the weekend. For reference the peak level in January was 118.43m
A blocking high pressure system has become established over Scandinavia bringing some respite as more settled weather develops over the next 4 days, but a return to more changeable weather is expected early next week.
Property flooding is possible and sewage systems may become inundated.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated as the situation changes.
Flood Warning issued on 29 Feb 2024 16:21
Groundwater
The groundwater level at the Terraces Fonthill borehole has risen to 117.89m above sea level and is forecast rise to 118.19 by the weekend. For reference the peak level in January was 118.43m.
The weather over the next two weeks will continue unsettled with a band of rain expected early next week and another by next weekend. These will bring periods of light to moderate rainfall. This will maintain groundwater levels at their current position for several days. There is a hint that a blocking high pressure system will become established to the east of the country bringing some respite as more settled weather develops.
Property flooding is expected and sewage systems may become inundated.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Sunday or as the situation changes
Flood Warning issued on 27 Feb 2024 16:40
Groundwater
The groundwater level at the Terraces Fonthill borehole has risen to 118.029m above sea level and is forecast to rise to approximately 118.6m by the weekend following further rain midweek.
The weather over the next two weeks will continue to be unsettled, bringing periods of light to moderate rainfall. This will maintain groundwater levels at their current position for some days to come.
Property flooding is expected and sewage systems may become inundated.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers now.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Thursday 29th February, or as the situation changes.
Flood Warning issued on 23 Feb 2024 15:29
Groundwater
The groundwater level at the Fonthill Terraces borehole is 117.477m above sea level and will continue to rise until the beginning of next week.
Up to 20mm of rainfall is forecast over the next 48 hours which will keep levels very high for some days.
Property flooding is expected and sewage systems may become inundated.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers now.
Avoid driving through flood water as the bow wave from vehicles can flood adjacent properties.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Sunday 25th February, or as the situation changes.
Flood Warning issued on 11 Jan 2024 09:34
Groundwater
The groundwater level at the Terraces Fonthill borehole has now peaked and will continue to slowly drop back over the next few days. Flooding of roads and some properties is expected to gradually recede by the beginning of next week.
Residents should keep any property resilience measures such as pumps, flood barriers and air brick covers deployed as there may be a delayed response.
Driving through flood water will be especially dangerous as temperatures will drop to below freezing at times over the next week and will cause ice to form on roads. The bow wave from vehicles can flood adjacent properties and lead to icing of pavements.
Sewage systems may remain problematic over the next few days.
Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Saturday 13th January, or as the situation changes.
Flood Warning issued on 7 Jan 2024 17:01
Groundwater
The groundwater level at the Terraces, Fonthill borehole is rising in response to recent heavy rainfall and will continue to do so for the next 48 hours. Flooding of roads and some properties, especially basements is expected to continue.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers.
Driving through flood water will be especially dangerous as temperatures will drop to below freezing at times over the next week and will cause ice to form on roads. The bow wave from vehicles can flood adjacent properties and lead to icing of pavements.
Sewage systems may become overloaded. Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Tuesday 9th January, or as the situation changes.
Flood Warning issued on 5 Jan 2024 16:34
Groundwater
Groundwater levels at the Terraces and Musseldene Copse boreholes have risen in response to recent heavy rainfall and will continue to do so for the next few days. Flooding of roads and some properties, especially basements is expected.
Residents should deploy any property resilience measures such as pumps, flood barriers and air brick covers.
Driving through flood water will be especially dangerous as temperatures will drop to below freezing at times over the next week and will cause ice to form on roads. The bow wave from vehicles can flood adjacent properties and lead to icing of pavements.
Sewage systems may become overloaded. Do not lift manhole covers to alleviate local surface water flooding as this may cause toilets further downhill to surcharge.
This message will be updated on Sunday the 7th January, or as the situation changes.
Flood Warning issued on 20 Jan 2023 17:08
Groundwater
Flooding is expected in this area. Monitor local groundwater levels and weather conditions. Take care in areas prone to flooding. Start acting on your flood plan if you have one. Check pumps and any other flood protection equipment you may have. The Environment Agency Flood Warning System has issued this message based on rising groundwater levels. We are temporarily automating our messages due to industrial action.
Flood Warning issued on 12 Jan 2023 17:02
Groundwater
Flooding is possible in this area.
Monitor local groundwater levels and weather conditions. Take care in areas prone to flooding. Start acting on your flood plan if you have one. Check pumps and any other flood protection equipment you may have.
The Environment Agency Flood Warning System has issued this message based on rising groundwater levels.
We are temporarily automating our messages due to industrial action.
Flood Warning issued on 10 Mar 2020 12:11
Groundwater
The groundwater level at the Terraces borehole is currently 117.0 mAOD and falling. We believe a possibility of flooding still exists for The Chilmark. Residents are advised to ensure property flood resilience measures are in place and that pumps are working where they have been installed. Residents may experience problems flushing toilets and have issues with septic tanks. The Met Office forecast is for further showers over the next few days which may result in groundwater levels rising again. Some borehole information can be found at https://flood-warning-information.service.gov.uk/river-and-sea-levels. We continue to monitor the groundwater situation carefully and will update this message on Friday 13/03/20 or as the situation changes.
Flood Warning issued on 6 Mar 2020 14:31
Groundwater
The groundwater level at the Terraces borehole is currently 117.1 m AOD and forecast to rise after recent heavy rainfall. Residents are advised to ensure property resilience measures are put in place and that pumps are working where they have been installed. Residents may experience problems flushing toilets and have issues with septic tanks. Further rainfall over the weekend and into the early parts of next week are forecast by the met office, with this rainfall we anticipate groundwater levels to continue to rise. Some borehole information can be found at https://flood-warning-information.service.gov.uk/river-and-sea-levels. We continue to monitor the groundwater situation carefully and will update this message on Tuesday 10/03/20 or as the situation changes.