Chatham and Aylesford

Polluted by sewage 148 times in 2024 lasting 346 hours

Monitoring fell below 50% in some locations so could be more

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

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✔ means we have experimental daily data since 2023

Live data for Chatham and Aylesford in 2025

So far this year (as of May 7, 2025, 5:30 PM) there has been 682 hours of sewage overflows

Totals for Chatham and Aylesford in 2024

15 Sites polluted by Southern Water
148 sewage dumps
346 hours duration
That's 14.42 days. 2.8 times a week, on average

Change Over Time

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Your local MP is Tristan Osborne (Labour) - Find out more about their interests, donors, and voting at They Work For You

Daily Data

We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Chatham and Aylesford, 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
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Pollution Summary 2024

Here are all the reported sewage overflow totals for Chatham and Aylesford 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 6 of the total 19 CSO locations had reporting enabled for less than half the year.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water River Medway Estuary HAM HILL S.T.W. 22 189 100
Southern Water Tidal Estuary Of River Medway CONSTITUTION HILL CHATHAM CSO 32 76 77.5
Southern Water River Medway Estuary SECOND AVENUE NO 3 CHATHAM CSO 18 41 74.7
Southern Water River Medway Estuary MAGPIE HALL ROAD CHATHAM OUTSIDE 33 38 19 83.8
Southern Water River Medway Estuary SECOND AVENUE NO 2 CSO 16 12 40.2
Southern Water River Medway Estuary RECTORY CLOSE WOULDHAM WWPS 3 2 100
Southern Water River Medway RIDGEWAY BANKS CHATHAM CSO 7 1 100
Southern Water River Medway CONCORD AVENUE CHATHAM CSO 2 0 26.7
Southern Water River Medway Estuary SECOND AVE CHATHAM NO1 CSO 2 0 99.9
Southern Water River Medway Estuary STURLA ROAD CHATHAM CSO 1 0 33.1
Southern Water River Medway MAIDA ROAD CHATHAM CSO 3 0 22.7
Southern Water River Medway Estuary ORDNANCE TERRACE CHATHAM CSO 1 0 90.3
Southern Water River Medway Estuary MELBOURNE ROAD CHATHAM CSO 1 0 100
Southern Water Medway Estuary GROVE ROAD CHATHAM OUTSIDE 1 CSO 1 0 70.8
Southern Water River Medway Estuary GROVE ROAD CHATHAM O/S 77 CSO 1 0 100
Southern Water River Medway Estuary WALDERSLADE ROAD CHATHAM 149 CSO 0 0 2.3
Southern Water River Medway Estuary MAGPIE HALL ROAD OUTSIDE 60 CSO 0 0 55.7
Southern Water River Medway Estuary CSO HOPWELL DRIVE (CHATHAM) 0 0 94.8
Southern Water River Medway Estuary CHATHAM HILL CHATHAM OUTSIDE 10 CSO 0 0 9.3

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.