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Environment Agency011FWFNC9Cumbria and Lancashire

River Eden at Bolton: flood history since 2009

The Environment Agency has issued 18 flood warnings for River Eden at Bolton since 18 Nov 2009, most often in November; the busiest year was 2020 (4).

Flood warnings on record

The flood area

Flood area
River Eden at Bolton
Code
011FWFNC9
Environment Agency area
Cumbria and Lancashire
County
Westmorland and Furness
River or sea
River Eden
First in the history
18 Nov 2009
Latest in the history file
13 Nov 2025
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?

2020 was the busiest year for River Eden at Bolton
12342009: 220092010: 120102011: 220112012: 120122015: 320152017: 120172020: 420202024: 220242025: 2202512342009: 220092010: 120102011: 220112012: 120122015: 320152017: 120172020: 420202024: 220242025: 2202512342009: 220092010: 120102011: 220112012: 120122015: 320152017: 120172020: 420202024: 220242025: 2202512342009: 220092010: 12011: 22012: 120122015: 32017: 12020: 420202024: 22025: 22025

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

The numbers
YearAlertsWarningsSevere
2025020
2024020
2020040
2017010
2015030
2012010
2011020
2010010
2009020

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 November
246Jan: 2JanFeb: 3FebMar: 0MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 2SepOct: 1OctNov: 6NovDec: 4Dec6246Jan: 2JanFeb: 3FebMar: 0MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 2SepOct: 1OctNov: 6NovDec: 4Dec6246Jan: 2JanFeb: 3FebMar: 0MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 2SepOct: 1OctNov: 6NovDec: 4Dec6246Jan: 2JFeb: 3FMar: 0MApr: 0AMay: 0MJun: 0JJul: 0JAug: 0ASep: 2SOct: 1ONov: 6NDec: 4D6

All alerts and warnings since 2009 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
13 Nov 2025Flood warning
20 Sep 2025Flood warning
17 Oct 2024Flood warning
21 Jan 2024Flood warning
2 Nov 2020Flood warning
22 Feb 2020Flood warning
15 Feb 2020Flood warning
9 Feb 2020Flood warning
22 Nov 2017Flood warning
26 Dec 2015Flood warning
22 Dec 2015Flood warning
5 Dec 2015Flood 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.