Environment Agency011WAFDWCumbria and Lancashire
Upper River Derwent, Stonethwaite Beck and Derwent Water: flood history since 2008
The Environment Agency has issued 165 flood alerts for Upper River Derwent, Stonethwaite Beck and Derwent Water since 6 Sep 2008, most often in December; the busiest year was 2024 (17).
Flood alerts only
The flood area
- Flood area
- Upper River Derwent, Stonethwaite Beck and Derwent Water
- Code
- 011WAFDW
- Environment Agency area
- Cumbria and Lancashire
- County
- Cumberland
- River or sea
- Derwent, Stonethwaite Beck
- First in the history
- 6 Sep 2008
- Latest in the history file
- 7 Jun 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?
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 |
|---|---|---|---|
| 2026 | 4 | 0 | 0 |
| 2025 | 12 | 0 | 0 |
| 2024 | 17 | 0 | 0 |
| 2023 | 10 | 0 | 0 |
| 2022 | 8 | 0 | 0 |
| 2021 | 10 | 0 | 0 |
| 2020 | 11 | 0 | 0 |
| 2019 | 8 | 0 | 0 |
| 2018 | 8 | 0 | 0 |
| 2017 | 15 | 0 | 0 |
| 2016 | 10 | 0 | 0 |
| 2015 | 11 | 0 | 0 |
| 2014 | 9 | 0 | 0 |
| 2013 | 9 | 0 | 0 |
| 2012 | 12 | 0 | 0 |
| 2011 | 11 | 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 |
|---|---|
| 7 Jun 2026 | Flood alert |
| 4 Jun 2026 | Flood alert |
| 24 Mar 2026 | Flood alert |
| 22 Jan 2026 | Flood alert |
| 1 Dec 2025 | Flood alert |
| 27 Nov 2025 | Flood alert |
| 23 Nov 2025 | Flood alert |
| 3 Nov 2025 | Flood alert |
| 2 Nov 2025 | Flood alert |
| 3 Oct 2025 | Flood alert |
| 15 Sep 2025 | Flood alert |
| 28 Jun 2025 | 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.