Top of the Poops | Waterway | River Avon | Polluted by Severn Trent Water

It's a Dirty Business

Watch Channel 4's documentary about the state of the water industry, then sign the petition to bring water back to public ownership.

Totals for River Avon in 2025

32 Sites polluted by Severn Trent Water

546 sewage dumps
3,361 h duration

That's 4.67 months. On average 1.5 times a day

Take Action

Constituencies along River Avon

Places along River Avon

Pollution Summary 2025

Here are all the reported sewage overflow totals for River Avon in 2025. Sometimes sewage can be being dumped for months at a time.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Severn Trent Water	River Avon	TWYNING SEWAGE TREATMENT WORKS	49	533	100
Severn Trent Water	River Avon	BUBBENHALL SEWAGE TREATMENT WORKS	28	399	100
Severn Trent Water	River Avon	LOWER MOOR STW	18	312	100
Severn Trent Water	River Avon	WARWICK-LONGBRIDGE STW	29	214	100
Severn Trent Water	River Avon	NASEBY SEWAGE TREATMENT WORKS	54	194	100
Severn Trent Water	River Avon	STRATFORD(MILCOTE) STW	26	193	99.9
Severn Trent Water	River Avon	WYRE ROAD SEWAGE PUMPING STATION	21	187	100
Severn Trent Water	River Avon	EVESHAM/HAMPTON PARKS STW	20	183	99.9
Severn Trent Water	River Avon	WELFORD ON AVON CSO	30	174	100
Severn Trent Water	River Avon	PADDOCK LANE SEWAGE PUMPING STATION	20	142	100
Severn Trent Water	River Avon	RUGBY NEWBOLD STW	18	138	99.5
Severn Trent Water	River Avon	DEFFORD ROAD SPS	34	117	99.9
Severn Trent Water	River Avon	BLIND LANE/AVON STREET JCN SSO	43	71	100
Severn Trent Water	River Avon	MORETON PADDOX STW	24	67	99.9
Severn Trent Water	River Avon	ABBEY ROAD - EVESHAM SPS	10	66	99.4
Severn Trent Water	River Avon	HAMPTON SYPHON	6	57	98.8
Severn Trent Water	River Avon	ADJACENT NO. 177 EVESHAM ROAD CSO	12	55	99.9
Severn Trent Water	River Avon	CHURCH LAWFORD STW	4	52	100
Severn Trent Water	River Avon	BATTLETON SYPHON	17	47	99.1
Severn Trent Water	River Avon	SO HIGH ST AND SO PLECK	18	34	99.63
Severn Trent Water	River Avon	CHURCH LANE RYTON PUMPING STATION	8	29	100
Severn Trent Water	River Avon	NEWBOLD-AVON LANE CSO	11	18	100
Severn Trent Water	River Avon	MORETONS LANE CSO	4	17	98.7
Severn Trent Water	River Avon	BARTON ROAD COMBINED SEWER OVERFLOW	4	16	100
Severn Trent Water	River Avon	CHERRY ORCHARD PUMPING STATION	2	8	100
Severn Trent Water	River Avon	THE NAVIGATION INN CSO	9	8	99.8
Severn Trent Water	River Avon	BANBURY ROAD/DALE AVENUE CSO	7	7	100
Severn Trent Water	River Avon	TIDDINGTON ROAD CSO	3	5	100
Severn Trent Water	River Avon	WELFORD STW	1	2	99.8
Severn Trent Water	River Avon	LOWER LEYS CSO	9	1	100
Severn Trent Water	River Avon	SHAWELL SEWAGE TREAMENT WORKS	3	1	99.7
Severn Trent Water	River Avon	BURFORD ROAD CSO	4	0	100
Severn Trent Water	River Avon	EVESHAM SPS	0	0	100
Severn Trent Water	River Avon	LONG LAWFORD SEWAGE PUMPING STATION	0	0	100
Severn Trent Water	River Avon	WOOD STREET - KIMBERLEY ROAD CSO	0	0	100
Severn Trent Water	River Avon	CATTHORPE SEWAGE PUMPING STATION	0	0	100
Severn Trent Water	River Avon	BRIDGEWAY CSO	0	0	97.8
Severn Trent Water	River Avon	MAIN STREET COMBINED SEWER OVERLOW	0	0	99
Severn Trent Water	River Avon	MERRYFIELDS FARM SPS	0	0	98

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

Analysing sewage pollution by the Water Industry

Media Queries

Get in touch if you have queries or want to discuss our data.

press [at] top-of-the-poops.org

Please Support Us

We rely on donations to fund our work. Please support us if you can

Yes! Support TOTP!

© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

Please don't scrape these pages - we can maybe share our data with you