Environment Agency013WAFMMGtr Mancs Mersey and Ches
Middle River Mersey catchment including areas near Bramhall, Stockport, Sale, Altrincham and Urmston: flood history since 2006
The Environment Agency has issued 99 flood alerts for Middle River Mersey catchment including areas near Bramhall, Stockport, Sale, Altrincham and Urmston since 15 Mar 2006, most often in December; the busiest year was 2019 (16). The history file ends in June 2026; AreaZine's record of the live feed adds 1 since 1 July 2026.
Flood alerts only
The flood area
- Flood area
- Middle River Mersey catchment including areas near Bramhall, Stockport, Sale, Altrincham and Urmston
- Code
- 013WAFMM
- Environment Agency area
- Gtr Mancs Mersey and Ches
- County
- Cheshire East, Manchester, Salford, Stockport, Tameside, Trafford, Warrington
- River or sea
- River Mersey
- First in the history
- 15 Mar 2006
- Latest in the history file
- 21 Feb 2026
- Latest in AreaZine's record
- Flood alert, 3 Sep 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.
The latest: since 1 July 2026, in AreaZine's record of the live feed
| Date | Level |
|---|---|
| 3 Sep 2026 | Flood alert |
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 | 1 | 0 | 0 |
| 2025 | 5 | 0 | 0 |
| 2024 | 8 | 0 | 0 |
| 2023 | 9 | 0 | 0 |
| 2022 | 6 | 0 | 0 |
| 2021 | 7 | 0 | 0 |
| 2020 | 11 | 0 | 0 |
| 2019 | 16 | 0 | 0 |
| 2018 | 1 | 0 | 0 |
| 2017 | 6 | 0 | 0 |
| 2016 | 5 | 0 | 0 |
| 2015 | 6 | 0 | 0 |
| 2014 | 3 | 0 | 0 |
| 2013 | 2 | 0 | 0 |
| 2012 | 11 | 0 | 0 |
| 2011 | 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 2006 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 |
|---|---|
| 21 Feb 2026 | Flood alert |
| 15 Dec 2025 | Flood alert |
| 9 Dec 2025 | Flood alert |
| 14 Nov 2025 | Flood alert |
| 20 Sep 2025 | Flood alert |
| 5 Jan 2025 | Flood alert |
| 31 Dec 2024 | Flood alert |
| 18 Dec 2024 | Flood alert |
| 23 Nov 2024 | Flood alert |
| 30 Sep 2024 | Flood alert |
| 22 May 2024 | Flood alert |
| 22 Feb 2024 | 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.