Environment Agency123FWF301Yorkshire
Walsden Water at Walsden: flood history since 2012
The Environment Agency has issued 22 flood warnings for Walsden Water at Walsden since 22 Jun 2012, most often in November; the busiest year was 2015 (4).
Flood warnings on record
The flood area
- Flood area
- Walsden Water at Walsden
- Code
- 123FWF301
- Environment Agency area
- Yorkshire
- County
- Calderdale
- River or sea
- Walsden Water
- First in the history
- 22 Jun 2012
- Latest in the history file
- 30 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?
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 | 0 | 2 | 0 |
| 2024 | 0 | 2 | 0 |
| 2022 | 0 | 2 | 0 |
| 2021 | 0 | 2 | 0 |
| 2020 | 0 | 2 | 0 |
| 2019 | 0 | 3 | 0 |
| 2018 | 0 | 1 | 0 |
| 2017 | 0 | 1 | 0 |
| 2016 | 0 | 2 | 0 |
| 2015 | 0 | 4 | 0 |
| 2012 | 0 | 1 | 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 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
| Date | Level |
|---|---|
| 30 Nov 2025 | Flood warning |
| 1 Jan 2025 | Flood warning |
| 5 Dec 2024 | Flood warning |
| 23 Nov 2024 | Flood warning |
| 20 Feb 2022 | Flood warning |
| 8 Jan 2022 | Flood warning |
| 30 Dec 2021 | Flood warning |
| 19 Jan 2021 | Flood warning |
| 25 Aug 2020 | Flood warning |
| 9 Feb 2020 | Flood warning |
| 29 Sep 2019 | Flood warning |
| 28 Jul 2019 | Flood 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.