Environment Agency013WAFWIGtr Mancs Mersey and Ches
Wirral catchment with Heswall, Ellesmere Port, Bebington, Hoylake and Wallasey: flood history since 2008
The Environment Agency has issued 18 flood alerts for Wirral catchment with Heswall, Ellesmere Port, Bebington, Hoylake and Wallasey since 10 Jan 2008, most often in June; the busiest year was 2025 (4).
Flood alerts only
The flood area
- Flood area
- Wirral catchment with Heswall, Ellesmere Port, Bebington, Hoylake and Wallasey
- Code
- 013WAFWI
- Environment Agency area
- Gtr Mancs Mersey and Ches
- County
- Cheshire West and Chester, Halton, Liverpool, Sefton, Wirral
- River or sea
- Wirral
- First in the history
- 10 Jan 2008
- Latest in the history file
- 14 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 | 4 | 0 | 0 |
| 2024 | 1 | 0 | 0 |
| 2023 | 2 | 0 | 0 |
| 2021 | 1 | 0 | 0 |
| 2020 | 1 | 0 | 0 |
| 2019 | 2 | 0 | 0 |
| 2016 | 2 | 0 | 0 |
| 2015 | 1 | 0 | 0 |
| 2013 | 1 | 0 | 0 |
| 2012 | 2 | 0 | 0 |
| 2011 | 1 | 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 |
|---|---|
| 14 Nov 2025 | Flood alert |
| 20 Sep 2025 | Flood alert |
| 5 Jan 2025 | Flood alert |
| 1 Jan 2025 | Flood alert |
| 16 Oct 2024 | Flood alert |
| 20 Oct 2023 | Flood alert |
| 18 Jun 2023 | Flood alert |
| 18 Jan 2021 | Flood alert |
| 24 Feb 2020 | Flood alert |
| 26 Oct 2019 | Flood alert |
| 11 Jun 2019 | Flood alert |
| 16 Jun 2016 | 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.