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Polluted by sewage 537 times in 2024 lasting 1,557 hours
Monitoring was disabled in some locations, so could be more
So far this year (as of May 9, 2025, 1:45 AM) there has been 1,155 hours of sewage overflows
Your local MP is Clive Lewis (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 Norwich South, 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 Norwich South 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 22 CSO locations had reporting enabled for less than half the year. Of these 1 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Anglian Water | . | ELM HILL OVERFLOW | 79 | 616 | 99.6 |
| Anglian Water | River Yare | TROWSE TERMINAL PUMPING STATION | 43 | 428 | 96.2 |
| Anglian Water | River Yare | NORWICH SANDY LANE CSO | 109 | 222 | 100 |
| Anglian Water | River Wensum | NORWICH - KETTS HILL CSO | 61 | 94 | 100 |
| Anglian Water | River Wensum | KING STREET COMBINED SEWER OVERFLOW | 57 | 71 | 100 |
| Anglian Water | River Wensum | NORWICH LOWER CLOSE (FERRY LN) CSO | 76 | 63 | 99.8 |
| Anglian Water | River Wensum | GIBRALTAR GARDENS CSO | 6 | 31 | 99.3 |
| Anglian Water | River Wensum | NORWICH CEDAR ROAD CSO | 31 | 7 | 100 |
| Anglian Water | River Wensum | NORWICH - PRINCE OF WALES ROAD CSO | 25 | 7 | 100 |
| Anglian Water | River Wensum | NORWICH ST FAITHS LANE CSO | 26 | 6 | 97.3 |
| Anglian Water | River Wensum | NORWICH - KING STREET #2 CSO | 14 | 5 | 100 |
| Anglian Water | River Wensum | SCHOOL LANE / BEDFORD STREET CSO | 3 | 0 | 11.6 |
| Anglian Water | River Wensum | NORWICH - BARRACK STREET CSO | 3 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH - RIVER LANE CSO | 2 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH RECORDER ROAD CSO | 1 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH - ROSARY ROAD CSO | 1 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH CARROW ROAD CSO | 0 | 0 | 99.4 |
| Anglian Water | River Wensum | NORWICH - CHALK HILL ROAD CSO | 0 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH COW TOWER CSO | 0 | 0 | 0 |
| Anglian Water | River Wensum | NORWICH - NEW MILLS CSO | 0 | 0 | 100 |
| Anglian Water | River Yare | BRACONDALE COMBINED SEWER OVERFLOW | 0 | 0 | 100 |
| Anglian Water | River Wensum | NORWICH - ELM HILL CSO | 0 | 0 | 100 |
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