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Environment Agency122WAF937Yorkshire

Lower River Swale: flood history since 2011

The Environment Agency has issued 109 flood alerts for Lower River Swale since 4 Feb 2011, most often in February; the busiest year was 2019 (16).

Flood alerts only

The flood area

Flood area
Lower River Swale
Code
122WAF937
Environment Agency area
Yorkshire
County
North Yorkshire
River or sea
River Swale, Cod Beck, Bedale Beck
First in the history
4 Feb 2011
Latest in the history file
12 Mar 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?

2019 was the busiest year for Lower River Swale
51015202011: 320112012: 620122013: 220132014: 120142015: 720152016: 420162017: 920172018: 1220182019: 1620192020: 1520202021: 1320212022: 720222023: 520232024: 520242025: 320252026: 120262026 to June51015202011: 320112012: 620122013: 220132014: 120142015: 720152016: 420162017: 920172018: 1220182019: 1620192020: 1520202021: 1320212022: 720222023: 520232024: 520242025: 320252026: 120262026 to June51015202011: 320112012: 62013: 22014: 120142015: 72016: 420162017: 92018: 1220182019: 162020: 1520202021: 132022: 720222023: 52024: 520242025: 32026: 120262026 to June51015202011: 320112012: 62013: 22014: 12015: 720152016: 42017: 92018: 122019: 162020: 1520202021: 132022: 72023: 52024: 52025: 32026: 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
2025300
2024500
2023500
2022700
20211300
20201500
20191600
20181200
2017900
2016400
2015700
2014100
2013200
2012600
2011300

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 February
1020Jan: 13JanFeb: 18FebMar: 16MarApr: 1AprMay: 3MayJun: 3JunJul: 2JulAug: 4AugSep: 6SepOct: 13OctNov: 13NovDec: 17Dec181020Jan: 13JanFeb: 18FebMar: 16MarApr: 1AprMay: 3MayJun: 3JunJul: 2JulAug: 4AugSep: 6SepOct: 13OctNov: 13NovDec: 17Dec181020Jan: 13JanFeb: 18FebMar: 16MarApr: 1AprMay: 3MayJun: 3JunJul: 2JulAug: 4AugSep: 6SepOct: 13OctNov: 13NovDec: 17Dec181020Jan: 13JFeb: 18FMar: 16MApr: 1AMay: 3MJun: 3JJul: 2JAug: 4ASep: 6SOct: 13ONov: 13NDec: 17D18

All alerts and warnings since 2011 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
12 Mar 2026Flood alert
13 Nov 2025Flood alert
20 Sep 2025Flood alert
14 Jan 2025Flood alert
31 Dec 2024Flood alert
16 Oct 2024Flood alert
22 May 2024Flood alert
29 Jan 2024Flood alert
21 Jan 2024Flood alert
27 Dec 2023Flood alert
7 Dec 2023Flood alert
13 Nov 2023Flood 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.