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Environment Agency112FWF3F0OFormer flood area

Bristol Avon (upper) from Malmesbury to Melksham, not including Chippenham: flood history since 2007

The Environment Agency has issued 27 flood warnings for Bristol Avon (upper) from Malmesbury to Melksham, not including Chippenham since 10 Jan 2007, most often in January; the busiest year was 2008 (9).

Flood warnings on record

The flood area

Flood area
Bristol Avon (upper) from Malmesbury to Melksham, not including Chippenham
Code
112FWF3F0O
Environment Agency area
none today (the history file lists it under SW - North Wessex)
First in the history
10 Jan 2007
Latest in the history file
28 Mar 2016
Current status
no longer an Environment Agency flood area (not in its register of 1 Oct 2026)

Flood alert, flood warning, severe flood warning: what each means

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

How many alerts and warnings a year?

2008 was the busiest year for Bristol Avon (upper) from Malmesbury to Melksham, not including Chippenham
358102007: 520072008: 920082009: 220092012: 520122013: 120132014: 320142016: 22016358102007: 520072008: 920082009: 220092012: 520122013: 120132014: 320142016: 22016358102007: 520072008: 920082009: 220092012: 520122013: 120132014: 320142016: 22016358102007: 520072008: 920082009: 220092012: 520122013: 120132014: 320142016: 22016

Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.

The numbers
YearAlertsWarningsSevere
2016020
2014030
2013010
2012050
2009020
2008090
2007050

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

When in the year?

Most often in January
510Jan: 9JanFeb: 3FebMar: 4MarApr: 0AprMay: 0MayJun: 0JunJul: 2JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 6Dec9510Jan: 9JanFeb: 3FebMar: 4MarApr: 0AprMay: 0MayJun: 0JunJul: 2JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 6Dec9510Jan: 9JanFeb: 3FebMar: 4MarApr: 0AprMay: 0MayJun: 0JunJul: 2JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 6Dec9510Jan: 9JFeb: 3FMar: 4MApr: 0AMay: 0MJun: 0JJul: 2JAug: 0ASep: 0SOct: 0ONov: 3NDec: 6D9

All alerts and warnings since 2007 by month.

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

Before July 2026: the latest in the history file

DateLevel
28 Mar 2016Flood warning
7 Feb 2016Flood warning
7 Feb 2014Flood warning
4 Jan 2014Flood warning
1 Jan 2014Flood warning
23 Dec 2013Flood warning
29 Dec 2012Flood warning
22 Dec 2012Flood warning
20 Dec 2012Flood warning
21 Nov 2012Flood warning
4 Nov 2012Flood warning
30 Nov 2009Flood warning

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.