River Levels

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River Levels

Upper Bristol Avon area

Message issued at 6:06pm, Thursday 12th March

This is an archived message. The status has changed more recently.

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Flooding possible. Be prepared.

Flood alert

Rising river levels throughout the evening may lead to flooding. 
Flooding is possible on 12 March 2026 tonight and during Friday 13 March 2026. 
Locations most at risk of being affected will be low lying land and roads near rivers, particularly at Reybridge. No properties are expected to flood at this point. 
We are closely monitoring the situation and checking rivers for blockages. 
Start acting on your flood plan if you have one and avoid low lying roads near rivers, which may be flooded 
This message will be updated by 9:30AM on 13 March 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 6:06pm, Thursday 12th March.

This page is a dedicated URL for a specific message issued at a particular time. You should not bookmark this page, as the current situation may have changed since this message was issued.

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Most recent flood warnings and alerts for Upper Bristol Avon area

Flood Warning Area Details

Upper River Avon and tributaries including Malmesbury, Dauntsey, Chippenham and Calne

Region: Wessex

Country: England

Counties covered: Gloucestershire, South Gloucestershire, Wiltshire

Watercourses covered: Bristol River Avon

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Upper Bristol Avon area.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

Dauntsey Brook at Dauntsey, Old Sodom Lane and The Green areas
Riverside properties on Old Sodom Lane, The Green and Dauntsey Green including Earl Danbys Primary School. Sodom Lane including Barn Farm and Evergreen Farm and the area around the Providance Chapel

No current or recent warnings.

Dauntsey Brook at Dauntsey, Olivemead Lane, Sodom Lane, Church Lane and Swallet Gate areas
Olivemead Lane, The Green and Sodom Lane including Great Dairy Farm. Church Lane including Dauntsey Fields Farm and Union Farm and the Swallet Gate area including St James and St Johns

No current or recent warnings.

Bristol Avon (upper) from Malmesbury to Chippenham
Bristol Avon and tributaries from downstream of Malmesbury to Chippenham including Cow Bridge, Hullavington, Corston, Rodbourne, Kingsmead Mill, Great Somerford, Lower Seagry, Christian Malford, Sutton Benger, Kellaways, East Tytherton and Stanley

No current or recent warnings.

Sherston Avon at Malmesbury
Westport Bridge, The Maltings, St Johns Bridge, St Johns Street, Inner Silk Mills and The Mulberries

No current or recent warnings.

Tetbury Avon at Malmesbury
Park Road, Poole Road, Gloucester Road, Mill Lane and Baskerville

No current or recent warnings.

RiverLevels.uk is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. All data used on this site is supplied under licence. For queries about the data, please contact the underlying supplier.

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