Environment Agency013WAFBOGtr Mancs Mersey and Ches
River Bollin catchment, including Knutsford, Wilmslow, Macclesfield and Bollington: flood history since 2006
The Environment Agency has issued 49 flood alerts for River Bollin catchment, including Knutsford, Wilmslow, Macclesfield and Bollington since 15 Mar 2006, most often in January; the busiest year was 2012 (8). 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
- River Bollin catchment, including Knutsford, Wilmslow, Macclesfield and Bollington
- Code
- 013WAFBO
- Environment Agency area
- Gtr Mancs Mersey and Ches
- County
- Cheshire East, Manchester, Stockport, Trafford, Warrington
- River or sea
- River Bollin
- First in the history
- 15 Mar 2006
- Latest in the history file
- 26 Jan 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 | 5 | 0 | 0 |
| 2022 | 4 | 0 | 0 |
| 2021 | 6 | 0 | 0 |
| 2020 | 5 | 0 | 0 |
| 2019 | 3 | 0 | 0 |
| 2016 | 2 | 0 | 0 |
| 2013 | 1 | 0 | 0 |
| 2012 | 8 | 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 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 |
|---|---|
| 26 Jan 2026 | Flood alert |
| 15 Dec 2025 | Flood alert |
| 18 Nov 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 |
| 5 Dec 2024 | Flood alert |
| 24 Nov 2024 | Flood alert |
| 30 Sep 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.