Polluted by sewage 9,727 hours in 2025 - That's 1.13 years
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Wellingborough and Rushden, 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 Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Anglian Water | WELLINGBOROUGH-MONKS WAY SSO | Swanspool Brook | 130 | 2,398 h 49m | 99.92 |
| Anglian Water | CHELVESTON-WATER LANE SP | River Nene | 52 | 967 h 4m | 40.29 |
| Anglian Water | Wellingborough -Market Street Combined Sewer Overflow | Swanspool Brook | 73 | 921 h 8m | 38.38 |
| Anglian Water | BROADHOLME STW | River Nene | 29 | 598 h 54m | 24.92 |
| Anglian Water | Rushden - Duck Street Combined Sewer Overflow | Wash Brook | 41 | 546 h 4m | 22.75 |
| Anglian Water | RUSHDEN-PADDOCKS RD TPS | Wash Brook | 34 | 534 h 8m | 22.25 |
| Anglian Water | FINEDON-BROOKSIDE SSO | Finedon Brook | 40 | 522 h 45m | 21.75 |
| Anglian Water | Wellingborough - Henshaw Road Combined Sewer Overflow | Swanspool Brook | 32 | 521 h 27m | 21.71 |
| Anglian Water | RUSHDEN-COURT ESTATE SP | River Til | 24 | 515 h 10m | 21.46 |
| Anglian Water | WELLINGBOROUGH-RAIL STATION SSO | River Ise | 27 | 511 h 33m | 21.29 |
| Anglian Water | WELLINGBOROUGH BROOK ST EAST | Swanspool Brook | 27 | 506 h 45m | 21.08 |
| Anglian Water | WELLINGBOROUGH-CROYLAND RD SSO | Swanspool Brook | 22 | 506 h 14m | 21.08 |
| Anglian Water | CHELVESTON-WATER LANE SP | River Nene | 13 | 161 h 59m | 6.71 |
| Anglian Water | HIGHAM FERRERS-NORTHAMPTON RD | Unnamed Of R Nene | 20 | 112 h 2m | 4.67 |
| Anglian Water | Rushden - Duck Street Combined Sewer Overflow | Wash Brook | 11 | 46 h 24m | 1.92 |
| Anglian Water | BROADHOLME STW | River Nene | 3 | 45 h 45m | 1.88 |
| Anglian Water | HIGHAM FERRERS-NORTHAMPTON RD | Unnamed Of R Nene | 4 | 42 h 24m | 1.75 |
| Anglian Water | Irthlingborough - Lime Street CSO | River Nene | 9 | 38 h 15m | 1.58 |
| Anglian Water | RUSHDEN-PADDOCKS RD TPS | Wash Brook | 6 | 34 h 4m | 1.42 |
| Anglian Water | WELLINGBOROUGH-HATTON PARK SSO | Swanspool Brook | 5 | 29 h 29m | 1.21 |
| Anglian Water | Irthlingborough - Lime Street CSO | River Nene | 5 | 26 h 36m | 1.08 |
| Anglian Water | FINEDON-BROOKSIDE SSO | Finedon Brook | 11 | 22 h 45m | 0.92 |
| Anglian Water | RUSHDEN-COURT ESTATE SP | River Til | 5 | 21 h 44m | 0.88 |
| Anglian Water | Wellingborough -Market Street Combined Sewer Overflow | Swanspool Brook | 6 | 19 h 45m | 0.79 |
| Anglian Water | WELLINGBOROUGH - HATTON PARK CSO#2 | Swanspool Brook | 9 | 17 h 43m | 0.71 |
| Anglian Water | WELLINGBOROUGH-ISE VALLEY TPS | Ise Brook Leading To River Nene | 2 | 13 h 30m | 0.54 |
| Anglian Water | WELLINGBOROUGH-HATTON PARK SSO | Swanspool Brook | 6 | 9 h 30m | 0.38 |
| Anglian Water | HIGHAM FERRERS-KINGS MEADOW SP | River Nene | 5 | 8 h 14m | 0.33 |
| Anglian Water | WELLINGBOROUGH-STANWELL WAY | Swanspool Brook | 3 | 5 h 36m | 0.21 |
| Anglian Water | IRCHESTER TPS | Knuston Brook To R Nene | 1 | 5 h 34m | 0.21 |
| Anglian Water | WELLINGBOROUGH-CROYLAND RD SSO | Swanspool Brook | 1 | 5 h 14m | 0.21 |
| Anglian Water | WELLINGBOROUGH BROOK ST EAST | Swanspool Brook | 2 | 2 h 43m | 0.08 |
| Anglian Water | WELLINGBOROUGH-ISE VALLEY TPS | Ise Brook Leading To River Nene | 3 | 1 h 30m | 0.04 |
| Anglian Water | WELLINGBOROUGH-RAIL STATION SSO | River Ise | 2 | 1 h 30m | 0.04 |
| Anglian Water | IRCHESTER TPS | Knuston Brook To R Nene | 1 | 1 h 25m | 0.04 |
| Anglian Water | Wellingborough - Henshaw Road Combined Sewer Overflow | Swanspool Brook | 1 | 1 h 15m | 0.04 |
| Anglian Water | IRCHESTER (8050) SSO | River Nene | 1 | 0 h 30m | 0 |
| Anglian Water | IRCHESTER (8050) SSO | River Nene | 2 | 0 h 30m | 0 |
| Anglian Water | WELLINGBOROUGH-CHESTER ROAD | Swanspool Brook | 2 | 0 h 29m | 0 |
| Anglian Water | WELLINGBOROUGH - HATTON PARK CSO#2 | Swanspool Brook | 1 | 0 h 15m | 0 |
| Anglian Water | WELLINGBOROUGH-CHESTER ROAD | Swanspool Brook | 1 | 0 h 15m | 0 |
| Anglian Water | WELLINGBOROUGH-SHEPHERDS YARD CSO | Swanspool Brook | 0 | 0 h | 0 |
| Anglian Water | IRTHLINGBOROUGH-CROUCH RD SSO | River Nene | 0 | 0 h | 0 |
| Anglian Water | Irchester Station Road SSO | River Nene | 0 | 0 h | 0 |
| Anglian Water | IRTHLINGBOROUGH-CROUCH RD SSO | River Nene | 0 | 0 h | 0 |
| Anglian Water | HIGHAM FERRERS-KINGS MEADOW SP | River Nene | 0 | 0 h | 0 |
| Anglian Water | WELLINGBOROUGH -IRTHLINGBOROUGH RD CSO#2 | River Ise | 0 | 0 h | 0 |
| Anglian Water | WELLINGBOROUGH-MONKS WAY SSO | Swanspool Brook | 0 | 0 h | 0 |
| Anglian Water | WELLINGBOROUGH-SHEPHERDS YARD CSO | Swanspool Brook | 0 | 0 h | 0 |
| Anglian Water | WELLINGBOROUGH TPS | River Ise | 0 | 0 h | 0 |
| Anglian Water | WELLINGBOROUGH TPS | River Ise | 0 | 0 h | 0 |
| Anglian Water | Rushden Midland Rd CSO | River Nene | 0 | 0 h | 0 |
| Anglian Water | Irchester Station Road SSO | River Nene | 0 | 0 h | 0 |
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. Live sewage data from Stream Water API
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.