Skip to main content
AREAZINENotices · US CA UK AU

Environment Agency061WAF29ChertseyThames

Chertsey Bourne: flood history since 2012

The Environment Agency has issued 72 flood alerts for Chertsey Bourne since 29 Apr 2012, most often in December; the busiest year was 2016 (8).

Flood alerts only

The flood area

Flood area
Chertsey Bourne
Code
061WAF29Chertsey
Environment Agency area
Thames
County
Bracknell Forest, Surrey, Windsor and Maidenhead
River or sea
Chertsey Bourne, The Moat, Moat
First in the history
29 Apr 2012
Latest in the history file
8 Jan 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?

2016 was the busiest year for Chertsey Bourne
24682012: 620122013: 620132014: 320142015: 220152016: 820162017: 120172018: 520182019: 520192020: 420202021: 420212022: 820222023: 720232024: 720242025: 520252026: 120262026 to June24682012: 620122013: 620132014: 320142015: 220152016: 820162017: 120172018: 520182019: 520192020: 420202021: 420212022: 820222023: 720232024: 720242025: 520252026: 120262026 to June24682012: 620122013: 62014: 320142015: 22016: 820162017: 12018: 520182019: 52020: 420202021: 42022: 820222023: 72024: 720242025: 52026: 120262026 to June24682012: 620122013: 62014: 32015: 220152016: 82017: 12018: 52019: 52020: 420202021: 42022: 82023: 72024: 72025: 52026: 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
2025500
2024700
2023700
2022800
2021400
2020400
2019500
2018500
2017100
2016800
2015200
2014300
2013600
2012600

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
51015Jan: 12JanFeb: 5FebMar: 9MarApr: 4AprMay: 2MayJun: 4JunJul: 1JulAug: 1AugSep: 2SepOct: 7OctNov: 12NovDec: 13Dec1351015Jan: 12JanFeb: 5FebMar: 9MarApr: 4AprMay: 2MayJun: 4JunJul: 1JulAug: 1AugSep: 2SepOct: 7OctNov: 12NovDec: 13Dec1351015Jan: 12JanFeb: 5FebMar: 9MarApr: 4AprMay: 2MayJun: 4JunJul: 1JulAug: 1AugSep: 2SepOct: 7OctNov: 12NovDec: 13Dec1351015Jan: 12JFeb: 5FMar: 9MApr: 4AMay: 2MJun: 4JJul: 1JAug: 1ASep: 2SOct: 7ONov: 12NDec: 13D13

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
8 Jan 2026Flood alert
18 Dec 2025Flood alert
9 Dec 2025Flood alert
5 Dec 2025Flood alert
22 Feb 2025Flood alert
5 Jan 2025Flood alert
19 Nov 2024Flood alert
14 Oct 2024Flood alert
23 Sep 2024Flood alert
27 Apr 2024Flood alert
27 Mar 2024Flood alert
14 Mar 2024Flood 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.