Environment Agency013FWTTCH3Gtr Mancs Mersey and Ches
Mersey Estuary at Arpley Bridge, Warrington: flood history since 2011
The Environment Agency has issued 69 flood warnings for Mersey Estuary at Arpley Bridge, Warrington since 19 Feb 2011, most often in March; the busiest year was 2014 (15).
Flood warnings on record
The flood area
- Flood area
- Mersey Estuary at Arpley Bridge, Warrington
- Code
- 013FWTTCH3
- Environment Agency area
- Gtr Mancs Mersey and Ches
- County
- Warrington
- River or sea
- Mersey Estuary
- First in the history
- 19 Feb 2011
- Latest in the history file
- 8 Oct 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 | 4 | 0 |
| 2024 | 0 | 9 | 0 |
| 2023 | 0 | 3 | 0 |
| 2022 | 0 | 1 | 0 |
| 2021 | 0 | 2 | 0 |
| 2020 | 0 | 7 | 0 |
| 2019 | 0 | 6 | 0 |
| 2018 | 0 | 4 | 0 |
| 2016 | 0 | 5 | 0 |
| 2015 | 0 | 5 | 0 |
| 2014 | 0 | 15 | 0 |
| 2013 | 0 | 2 | 0 |
| 2012 | 0 | 4 | 0 |
| 2011 | 0 | 2 | 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 2011 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 |
|---|---|
| 8 Oct 2025 | Flood warning |
| 10 Sep 2025 | Flood warning |
| 31 Mar 2025 | Flood warning |
| 30 Mar 2025 | Flood warning |
| 20 Oct 2024 | Flood warning |
| 17 Oct 2024 | Flood warning |
| 21 Aug 2024 | Flood warning |
| 10 Apr 2024 | Flood warning |
| 9 Apr 2024 | Flood warning |
| 13 Mar 2024 | Flood warning |
| 12 Mar 2024 | Flood warning |
| 11 Mar 2024 | 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.