Environment Agency051WAFEF6DEast Anglia
The lower River Chelmer, including the River Ter and brooks around Sandon: flood history since 2008
The Environment Agency has issued 20 flood alerts for The lower River Chelmer, including the River Ter and brooks around Sandon since 20 Jan 2008, most often in January; the busiest year was 2012 (3).
Flood alerts only
The flood area
- Flood area
- The lower River Chelmer, including the River Ter and brooks around Sandon
- Code
- 051WAFEF6D
- Environment Agency area
- East Anglia
- County
- Essex
- River or sea
- Chelmer
- First in the history
- 20 Jan 2008
- Latest in the history file
- 7 Feb 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.
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 | 1 | 0 | 0 |
| 2024 | 3 | 0 | 0 |
| 2023 | 1 | 0 | 0 |
| 2021 | 2 | 0 | 0 |
| 2020 | 2 | 0 | 0 |
| 2019 | 1 | 0 | 0 |
| 2016 | 1 | 0 | 0 |
| 2015 | 1 | 0 | 0 |
| 2014 | 3 | 0 | 0 |
| 2012 | 3 | 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 |
|---|---|
| 7 Feb 2026 | Flood alert |
| 6 Jan 2025 | Flood alert |
| 19 Feb 2024 | Flood alert |
| 9 Feb 2024 | Flood alert |
| 3 Jan 2024 | Flood alert |
| 31 Mar 2023 | Flood alert |
| 29 Jan 2021 | Flood alert |
| 14 Jan 2021 | Flood alert |
| 4 Dec 2020 | Flood alert |
| 16 Nov 2020 | Flood alert |
| 20 Dec 2019 | Flood alert |
| 23 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.