Here are all the reported sewage overflow totals for Unknown in 2023. Sometimes sewage can be being dumped for months at a time.
These numbers are very slightly different from the Rivers page. We're working on it.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Wessex Water | Unknown | MAPPOWDER | 127 | 2,668 | 100 |
| Wessex Water | Unknown | PORTBURY WHARF STW | 180 | 1,993 | 100 |
| Wessex Water | Unknown | STALBRIDGE PUMPING STATION | 66 | 519 | 100 |
| Wessex Water | Unknown | CSO AT SCOUT HUT | 39 | 516 | 100 |
| Wessex Water | Unknown | MINEHEAD SEWAGE TREATMENT WORKS | 63 | 459 | 99.9 |
| Wessex Water | Unknown | WEYMOUTH SEWAGE TREATMENT WORKS | 90 | 424 | 95.4 |
| Wessex Water | Unknown | NEW COG MILL CSO | 39 | 378 | 100 |
| Wessex Water | Unknown | EBBLAKE PUMPING STATION | 22 | 290 | 100 |
| Wessex Water | Unknown | THE GREEN PUMPING STATION | 25 | 274 | 100 |
| Wessex Water | Unknown | KINGSTON SEYMOUR WRC | 49 | 235 | 100 |
| Wessex Water | Unknown | MOSSES MILL CSO 2 | 50 | 222 | 99.9 |
| Wessex Water | Unknown | TUNNEL PUMPING STATION | 38 | 209 | 100 |
| Wessex Water | Unknown | SEMINGTON ROAD PUMPING STATION | 18 | 160 | 100 |
| Wessex Water | Unknown | CSO AT PRINCES BRIDGE | 10 | 101 | 100 |
| Wessex Water | Unknown | BRISTOL ROAD CSO | 63 | 93 | 99.5 |
| Wessex Water | Unknown | MIDDLE BROOKS ROAD PUMPING STATION | 9 | 81 | 99.9 |
| Wessex Water | Unknown | CURTIS ORCHARD PUMPING STATION | 11 | 79 | 100 |
| Wessex Water | Unknown | SLOWAY LANE PUMPING STATION | 7 | 36 | 100 |
| Wessex Water | Unknown | 7 MILL STREET CSO | 54 | 27 | 76.6 |
| Wessex Water | Unknown | HARKWOOD FARM P STN (POOLE) | 2 | 4 | 97.6 |
| Wessex Water | Unknown | PATFORD ST/BANK OF RIVER MARDEN CSO | 2 | 1 | 99.8 |
| Wessex Water | Unknown | CSO AT 97 HIGH STREET | 3 | 1 | 100 |
| Wessex Water | Unknown | ALDRIDGE ROAD PUMPING STATION | 3 | 0 | 91.8 |
| Wessex Water | Unknown | BRIDGWATER ROAD CSO | 1 | 0 | 89.6 |
| Wessex Water | Unknown | 8 HULSE ROAD CSO | 0 | 0 | 100 |
| Wessex Water | Unknown | BIFIELD ROAD CSO | 0 | 0 | 100 |
| Wessex Water | Unknown | CLARE STREET CSO | 0 | 0 | 99.6 |
| Wessex Water | Unknown | BIRCHALL ROAD | 0 | 0 | 100 |
| Wessex Water | Unknown | SILVER STREET | 0 | 0 | 96.5 |
| Wessex Water | Unknown | DALLAS ROAD CSO | 0 | 0 | 99.4 |
| Wessex Water | Unknown | SEMINGTON ROUNDABOUT | 0 | 0 | 100 |
| Wessex Water | Unknown | ACACIA AVENUE PUMPING STATION | 0 | 0 | 79.5 |
| Wessex Water | Unknown | MOSSES MILL CSO 1 | 0 | 0 | 99.7 |
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.
