Environment Agency011WAFGBCumbria and Lancashire
Rivers Greta, St Johns Beck and Bassenthwaite Lake: flood history since 2008
The Environment Agency has issued 83 flood alerts for Rivers Greta, St Johns Beck and Bassenthwaite Lake since 5 Sep 2008, most often in December; the busiest year was 2015 (13).
Flood alerts only
The flood area
- Flood area
- Rivers Greta, St Johns Beck and Bassenthwaite Lake
- Code
- 011WAFGB
- Environment Agency area
- Cumbria and Lancashire
- County
- Cumberland, Westmorland and Furness
- River or sea
- River Greta, St Johns Beck, Glendermackin
- First in the history
- 5 Sep 2008
- Latest in the history file
- 13 Dec 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?
Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.
The numbers
| Year | Alerts | Warnings | Severe |
|---|---|---|---|
| 2025 | 8 | 0 | 0 |
| 2024 | 3 | 0 | 0 |
| 2023 | 6 | 0 | 0 |
| 2022 | 2 | 0 | 0 |
| 2021 | 7 | 0 | 0 |
| 2020 | 3 | 0 | 0 |
| 2019 | 5 | 0 | 0 |
| 2018 | 2 | 0 | 0 |
| 2017 | 4 | 0 | 0 |
| 2016 | 6 | 0 | 0 |
| 2015 | 13 | 0 | 0 |
| 2014 | 4 | 0 | 0 |
| 2013 | 7 | 0 | 0 |
| 2012 | 8 | 0 | 0 |
| 2011 | 5 | 0 | 0 |
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?
All alerts and warnings since 2008 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
| Date | Level |
|---|---|
| 13 Dec 2025 | Flood alert |
| 8 Dec 2025 | Flood alert |
| 13 Nov 2025 | Flood alert |
| 3 Nov 2025 | Flood alert |
| 19 Sep 2025 | Flood alert |
| 18 Sep 2025 | Flood alert |
| 15 Sep 2025 | Flood alert |
| 14 Jun 2025 | Flood alert |
| 23 Aug 2024 | Flood alert |
| 23 Jan 2024 | Flood alert |
| 20 Jan 2024 | Flood alert |
| 26 Dec 2023 | Flood 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.