Environment Agency112WAFTRBCWessex

River Biss catchment: flood history since 2009

The Environment Agency has issued 32 flood alerts for River Biss catchment since 10 Feb 2009, most often in November; the busiest year was 2012 (6).

Flood alerts only

The flood area

Flood area: River Biss catchment
Code: 112WAFTRBC
Environment Agency area: Wessex
County: Somerset, Wiltshire
River or sea: River Biss
First in the history: 10 Feb 2009
Latest in the history file: 26 Jan 2025
Current status: check-for-flooding.service.gov.uk (the Environment Agency's live page)

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

2012 was the busiest year for River Biss catchment

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	2	0	0
2024	5	0	0
2023	2	0	0
2022	3	0	0
2020	3	0	0
2019	3	0	0
2018	1	0	0
2017	1	0	0
2014	4	0	0
2013	2	0	0
2012	6	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.

Most often in November

All alerts and warnings since 2009 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.

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.