Gravesham was polluted by sewage 231 times in 2024
lasting 383 hours

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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 Gravesham in 2025
So far this year (as of Apr 16, 2025, 5:45 PM) there has been 107 hours of sewage overflows
Totals for Gravesham in 2024
11 Sites polluted by Southern Water
231 sewage dumps
383 h duration
That's 15.96 days. 4.4 times a week, on average
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Gravesham, 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 Gravesham 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 12 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 %
Southern Water Thames Estuary EMPRESS RD DENTON CATCH CHAMB' CS0 39 119 100
Southern Water River Thames Estuary HIGH ST GRAVESEND OUTSIDE 70 CSO 45 98 100
Southern Water Tidal River Thames GRAVESEND WWTW 23 65 97.2
Southern Water Tidal River Thames MILTON ROAD GRAVESEND CSO 12 31 96.7
Southern Water River Thames - Tidal CROSS LANE EAST CSO 50 19 90.3
Southern Water Thames Estuary CRAWLEY COURT GRAVESEND CSO 28 12 91.5
Southern Water Tidal River Thames NORTHFLEET WWTW 5 11 100
Southern Water Tidal River Thames CROSS LANE WEST GRAVESEND CSO 10 8 62.5
Southern Water Tidal River Thames COBHAM STREET GRAVESEND CSO 5 8 77.3
Southern Water Tidal River Thames OLD ROAD WEST GRAVESEND CSO 9 8 82.4
Southern Water Tidal River Thames SINGLEWELL ROAD GRAVESEND 123 CSO 5 1 68.3
Southern Water Thames Estuary TOWN PIER, GRAVESEND CSO 0 0 91.5

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.