Warwick and Leamington was polluted by sewage 294 times in 2024
lasting 1,966 hours

Constituency

Select the constituency from the drop-down

✔ means we have experimental daily data since 2023

Live data for Warwick and Leamington in 2025

So far this year (as of Apr 16, 2025, 5:45 PM) there has been 202 hours of sewage overflows

Totals for Warwick and Leamington in 2024

9 Sites polluted by Severn Trent Water

294 sewage dumps
1,966 h duration

That's 2.73 months. 5.7 times a week, on average

Change Over Time

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Constituencies near Warwick and Leamington

Waterways in Warwick and Leamington

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Warwick and Leamington, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.

Each CSO has a row, the most recent data is on the right hand side.

Monitoring Online Monitoring Offline Polluting Potentially Polluting Unknown

Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Warwick and Leamington in 2024. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 0 of the total 9 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Severn Trent Water	River Leam	WESTON-UNDER-WETHERLEY STW	62	871	90.3
Severn Trent Water	River Avon	WARWICK-LONGBRIDGE STW	87	840	99.9
Severn Trent Water	River Leam	PRINCES DRIVE CSO 19A	29	65	99.6
Severn Trent Water	River Leam	N LEAMINGTON FOUL SEWER CSO 90	29	56	94.7
Severn Trent Water	River Leam	BATH PLACE CSO	29	55	100
Severn Trent Water	River Leam	LEAMINGTON CSO 50	35	33	96
Severn Trent Water	River Leam	STAMFORD GARDENS CSO OVERFLOW 20	13	26	100
Severn Trent Water	River Leam	LEAMINGTON-PRINCES DRIVE CSO 19B	9	16	100
Severn Trent Water	River Leam	LEAMINGTON SSO 11 AND 12	1	0	99.7

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. This 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

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