Environment Agency013WAFDIGtr Mancs Mersey and Ches
River Ditton catchment including areas around Huyton-with-Roby and Widnes: flood history since 2008
The Environment Agency has issued 26 flood alerts for River Ditton catchment including areas around Huyton-with-Roby and Widnes since 5 Sep 2008, most often in September; the busiest year was 2021 (5).
Flood alerts only
The flood area
- Flood area
- River Ditton catchment including areas around Huyton-with-Roby and Widnes
- Code
- 013WAFDI
- Environment Agency area
- Gtr Mancs Mersey and Ches
- County
- Halton, Knowsley, Liverpool, St. Helens, Warrington
- River or sea
- River Ditton
- First in the history
- 5 Sep 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 | 3 | 0 | 0 |
| 2024 | 4 | 0 | 0 |
| 2023 | 3 | 0 | 0 |
| 2022 | 2 | 0 | 0 |
| 2021 | 5 | 0 | 0 |
| 2020 | 1 | 0 | 0 |
| 2019 | 4 | 0 | 0 |
| 2016 | 1 | 0 | 0 |
| 2013 | 1 | 0 | 0 |
| 2012 | 2 | 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 |
| 31 Dec 2024 | Flood alert |
| 16 Oct 2024 | Flood alert |
| 30 Sep 2024 | Flood alert |
| 22 May 2024 | Flood alert |
| 26 Aug 2023 | Flood alert |
| 23 Jul 2023 | Flood alert |
| 18 Jun 2023 | Flood alert |
| 21 Nov 2022 | Flood alert |
| 19 Feb 2022 | 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.