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Polluted by sewage 505 times in 2024 lasting 959 hours
Monitoring fell below 50% in some locations so could be more
So far this year (as of May 29, 2025, 1:15 AM) there has been 3,384 hours of sewage overflows
Your local MP is Naushabah Khan (Labour) - Find out more about their interests, donors, and voting at They Work For You
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Gillingham and Rainham, 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.
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Donate NowHere are all the reported sewage overflow totals for Gillingham and Rainham 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 2 of the total 27 CSO locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Southern Water | Medway Estaury | MOTNEY HILL WWTW | 84 | 348 | 97.6 |
| Southern Water | River Medway | THE STRAND GILLINGHAM CEO | 67 | 138 | 99.5 |
| Southern Water | Otterham Creek | BROOMCROFT ROAD, GILLINGHAM CSO | 60 | 108 | 67.6 |
| Southern Water | River Medway | HAWTHORNE AVENUE GILLINGHAM CSO | 57 | 65 | 100 |
| Southern Water | Otterham Creek | ORCHARD STREET GILLINGHAM CSO | 61 | 61 | 99.9 |
| Southern Water | Otterham Creek | STATION ROAD RAINHAM CSO | 7 | 59 | 79 |
| Southern Water | River Medway | LOWER TWYDALL LANE GILLINGHAM CSO | 6 | 38 | 100 |
| Southern Water | Otterham Creek | MAIDSTONE ROAD RAINHAM CSO | 32 | 35 | 99.9 |
| Southern Water | River Medway | BERENGRAVE/CHALKY BK GILLINGHAM CS0 | 25 | 32 | 67 |
| Southern Water | River Medway | WILLIAM STREET RAINHAM CSO | 21 | 22 | 100 |
| Southern Water | River Medway Estuary | PUMP LANE GILLINGHAM TANK CSO | 14 | 20 | 94.8 |
| Southern Water | River Medway Estuary | WOODCHURCH CRESCENT GILLINGHAM CSO | 24 | 11 | 100 |
| Southern Water | Saline Estuary | CSO BEECHINGS WAY NO 3 | 25 | 10 | 100 |
| Southern Water | Otterham Creek | WOODSIDE WIGMORE CSO | 8 | 4 | 99.9 |
| Southern Water | River Medway | HERNE ROAD GILLINGHAM CSO | 7 | 1 | 100 |
| Southern Water | Gillingham Reach/ Medway Est | ST MARYS ROAD GILLINGHAM CSO | 4 | 0 | 100 |
| Southern Water | Medway Estuary | SAUNDERS STREET GILLINGHAM CSO | 1 | 0 | 99.8 |
| Southern Water | River Medway Estuary | LOWER RAINHAM ROAD LOWER RAINHAM PS | 1 | 0 | 100 |
| Southern Water | River Medway | FERNDALE ROAD GILLINGHAM CSO | 1 | 0 | 100 |
| Southern Water | River Medway Estuary | PUMP LANE GILLINGHAM NO.1 CSO | 0 | 0 | 16.8 |
| Southern Water | Otterham Creek | CHALKY BANK ROAD GILLINGHAM CSO | 0 | 0 | 91.3 |
| Southern Water | River Medway Estuary | PUMP LANE GILLINGHAM NO.2 CSO | 0 | 0 | 100 |
| Southern Water | River Medway | HIGH STREET RAINHAM CSO | 0 | 0 | 59.6 |
| Southern Water | Saline Estuary | MEDWAY ROAD CSO | 0 | 0 | 98.9 |
| Southern Water | Gillingham Reach/ Medway Est | SAUNDERS STREET GILLINGHAM CSO | 0 | 0 | 87.1 |
| Southern Water | River Medway Estuary | DIAL ROAD GILLINGHAM CSO | 0 | 0 | 15 |
| Southern Water | River Medway | PLANTATION ROAD GILLINGHAM CSO | 0 | 0 | 98.3 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org