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Polluted by sewage 944 times in 2025 lasting 9,621 hours - That's 1.11 years!
Monitoring fell below 50% in some locations so could be more
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Donate NowHere are all the reported sewage overflow totals for Kenilworth and Southam in 2025. 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 1 of the total 42 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Severn Trent Water | River Dene | WELLESBOURNE SEWAGE TREATMENT WORKS | 87 | 1,509 | 100 |
| Severn Trent Water | River Leam | FRANKTON SEWAGE TREATMENT WORKS | 83 | 1,191 | 98.7 |
| Severn Trent Water | River Itchen | FENNY COMPTON STW | 70 | 866 | 39.5 |
| Severn Trent Water | River Sowe | COVENTRY-FINHAM WWTW | 62 | 826 | 100 |
| Severn Trent Water | River Itchen | ITCHEN BANK SEWAGE TREATMENT WORKS | 53 | 560 | 100 |
| Severn Trent Water | Kingswood Brook | ROWINGTON SEWAGE TREATMENT WORKS | 45 | 546 | 95 |
| Severn Trent Water | Tach Brook | LIGHTHORNE HEATH STW | 41 | 529 | 100 |
| Thames Water | Hanwell Brook | FARNBOROUGH (WARKS) WWTW | 40 | 433 | 100 |
| Severn Trent Water | River Avon | BUBBENHALL SEWAGE TREATMENT WORKS | 28 | 399 | 100 |
| Severn Trent Water | Grand Union Canal Stream | NORTON GREEN STW | 30 | 324 | 100 |
| Severn Trent Water | River Dene | NORTHEND STW | 84 | 287 | 98.3 |
| Severn Trent Water | Whatcote Brook | LOWER FARM PPG. STATION - STORM O/F | 22 | 249 | 100 |
| Severn Trent Water | River Stowe | STOCKTON-NEW ZEALAND/NAPTON RDSPS | 31 | 206 | 100 |
| Severn Trent Water | Finham Brook | KENILWORTH - DALEHOUSE LANE TPS | 26 | 197 | 100 |
| Severn Trent Water | River Dene | KINETON SEWAGE TREATMENT WORKS | 19 | 193 | 99.9 |
| Severn Trent Water | River Stowe | NAPTON SEWAGE TREATMENT WORKS | 26 | 168 | 99.7 |
| Severn Trent Water | River Itchen | LONG ITCHINGTON SPS | 12 | 163 | 100 |
| Severn Trent Water | River Stowe | SOUTHAM PUMPING STATION (SPS) | 16 | 140 | 100 |
| Thames Water | Hanwell Brook | AVON DASSETT STW, AVON DASSETT, WAR | 12 | 90 | 99.9 |
| Severn Trent Water | Pingle Brook | CUBBINGTON SEWAGE PUMPING STATON | 15 | 89 | 100 |
| Thames Water | Hanwell Brook | WARMINGTON STW, WARMINGTON, BANBURY | 15 | 83 | 98.2 |
| Severn Trent Water | Broadwell Brook | BROADWELL - STORM & EMERG | 7 | 74 | 100 |
| Severn Trent Water | River Avon | MORETON PADDOX STW | 24 | 67 | 99.9 |
| Severn Trent Water | River Itchen | BASCOTE SEWAGE TREATMENT WORKS | 12 | 65 | 99.4 |
| Severn Trent Water | Princethorpe Brook | OFF CHURCH HILL - STORM & EMERG | 11 | 58 | 100 |
| Thames Water | Hanwell Brook | SHOTTESWELL WWTW | 9 | 57 | 100 |
| Severn Trent Water | River Itchen | HABURY SEWAGE PMP.STN - STORM | 5 | 40 | 100 |
| Severn Trent Water | Charlecote Brook | MORETON MORRELL WWTW | 8 | 39 | 99.7 |
| Severn Trent Water | Frankton Brook | FRANKTON PPG STN - STORM O/F | 7 | 36 | 99.1 |
| Severn Trent Water | Claverdon Brook | HATTON SEW.PPG.STN- STORM/EMERG O/F | 4 | 30 | 99.1 |
| Severn Trent Water | River Avon | CHURCH LANE RYTON PUMPING STATION | 8 | 29 | 100 |
| Severn Trent Water | Thelsford Brook | LIGHTHORNE SEWAGE PUMPING STATION | 6 | 28 | 90.8 |
| Severn Trent Water | Tysoe Brook | ADJ. TYSOE STW - STM/EMERG O/F | 5 | 14 | 64.6 |
| Severn Trent Water | River Stowe | SOUTHAM - BANBURY ROAD CSO | 7 | 8 | 100 |
| Severn Trent Water | River Dene | CASTLE CRESCENT CSO | 1 | 4 | 96 |
| Severn Trent Water | River Dene | LITTLE KINETON CSO | 3 | 2 | 100 |
| Severn Trent Water | Wagtail Brook | UPPER TYSOE - SMARTS LANE SPS | 5 | 1 | 100 |
| Severn Trent Water | River Leam | DUNCHURCH SEWAGE TREATMENT WORKS | 1 | 0 | 99.1 |
| Thames Water | Sor Brook | RATLEY WWTW | 1 | 0 | 100 |
| Severn Trent Water | River Dene | BANBURY ROAD CSO | 1 | 0 | 100 |
| Severn Trent Water | Finham Brook | KENILWORTH - THE CLOSE-MILL END CSO | 1 | 0 | 98 |
| Severn Trent Water | River Dene | SOUTHAM STREET CSO | 1 | 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. 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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org