Top of the Poops | Constituency | Carshalton and Wallington| Polluted by Thames Water

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

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Constituency

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✔ means we have experimental daily data since 2023

Live data for Carshalton and Wallington in 2025

So far this year (as of Apr 24, 2025, 10:30 PM) there has been 7 hours of sewage overflows

Totals for Carshalton and Wallington in 2024

1 Sites polluted by Thames Water

10 sewage dumps

48 hours duration

That's 2 days. 0.8 times a month, over the year

Change Over Time

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Your local MP is Bobby Dean (Liberal Democrat) - Find out more about their interests, donors, and voting at They Work For You

Constituencies near Carshalton and Wallington

Waterways in Carshalton and Wallington

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Carshalton and Wallington, 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.

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Carshalton and Wallington 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year

Search:

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Thames Water	Beddington Effluent Carrier/Wa	Beddington	10	48	99.7

Showing 1 to 1 of 1 entries

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

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(C) 2020-2024 Top-Of-The-Poops CC-BY-SA 4.0,
(C) Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2024,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis (C) 2024 Top-Of-The-Poops

Carshalton and Wallington Polluted by sewage 10 times in 2024 lasting 48 hours

Carshalton and Wallington