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Environment Agency065WAF412Solent and South Downs

Bosham Stream: flood history since 2012

The Environment Agency has issued 11 flood alerts for Bosham Stream since 11 Jun 2012, most often in December; the busiest year was 2012 (7).

Flood alerts only

The flood area

Flood area
Bosham Stream
Code
065WAF412
Environment Agency area
Solent and South Downs
County
West Sussex
River or sea
Bosham Stream
First in the history
11 Jun 2012
Latest in the history file
18 Feb 2026
Current status
check-for-flooding.service.gov.uk (the Environment Agency's live page)

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?

2012 was the busiest year for Bosham Stream
24682012: 720122013: 320132026: 120262026 to June24682012: 720122013: 320132026: 120262026 to June24682012: 720122013: 320132026: 120262026 to June24682012: 720122013: 320132026: 120262026 to June

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

The numbers
YearAlertsWarningsSevere
2026100
2013300
2012700

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 December
24Jan: 1JanFeb: 2FebMar: 0MarApr: 0AprMay: 0MayJun: 1JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 4Dec424Jan: 1JanFeb: 2FebMar: 0MarApr: 0AprMay: 0MayJun: 1JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 4Dec424Jan: 1JanFeb: 2FebMar: 0MarApr: 0AprMay: 0MayJun: 1JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 3NovDec: 4Dec424Jan: 1JFeb: 2FMar: 0MApr: 0AMay: 0MJun: 1JJul: 0JAug: 0ASep: 0SOct: 0ONov: 3NDec: 4D4

All alerts and warnings since 2012 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
18 Feb 2026Flood alert
23 Dec 2013Flood alert
10 Feb 2013Flood alert
12 Jan 2013Flood alert
22 Dec 2012Flood alert
19 Dec 2012Flood alert
14 Dec 2012Flood alert
25 Nov 2012Flood alert
4 Nov 2012Flood alert
1 Nov 2012Flood alert
11 Jun 2012Flood alert

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