Here are all the reported sewage overflow totals for Altrincham and Sale West in 2023. 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 19 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| United Utilities | Sinderland Brook | ALTRINCHAM STW | 108 | 782 | 99.9 |
| United Utilities | River Bollin | PARK ROAD ARTHOG ROAD CSO 452LS | 141 | 574 | 100 |
| United Utilities | River Bollin | DUNHAM MASSEY STW | 94 | 543 | 99.4 |
| United Utilities | River Bollin | POOL BANK FARM BOWDON CSO 452L6 | 114 | 425 | 100 |
| United Utilities | Timperley Brook | OAKFIELD ST COMBINED SEWER OVERFLOW | 66 | 265 | 76.7 |
| United Utilities | River Bollin Via Sws | DUNHAM MASSEY OUTFALL CSO (451SS) | 75 | 231 | 100 |
| United Utilities | Timperley Brook | GOLF ROAD PUMPING STATION | 73 | 131 | 84.6 |
| United Utilities | River Bollin | BARROW LANE CSO (451G7) | 72 | 91 | 100 |
| United Utilities | Timperley Brook | BROOK CLOSE CSO | 44 | 82 | 57 |
| United Utilities | Stromford Brook Via Sws | MANOR AVENUE CSO (45056) | 78 | 80 | 100 |
| United Utilities | Stromford Brk Rvr Mersey | THE AVENUE SYPHON CSO 452UO | 42 | 57 | 100 |
| United Utilities | Timperley Brook | STAMFORD NEW ROAD CSO | 62 | 47 | 99.9 |
| United Utilities | Manchester Ship Canal | PARKGATE FARM (WARBURTON) CSO | 38 | 41 | 100 |
| United Utilities | Sinderland Brook | ALTRINHAM WWTW HIGH LEVEL OVERFLOW | 7 | 5 | 100 |
| United Utilities | Stromford Brook | MANOR AVENUE/FIRS ROAD CSO | 7 | 5 | 99.9 |
| United Utilities | Timperley Brook | BALFOUR ROAD CSO | 2 | 1 | 100 |
| United Utilities | River Bollin | CHAPEL LANE | 0 | 0 | 0 |
| United Utilities | Timperley Brook | HAWTHORN ROAD CSO 451YJ | 0 | 0 | 99.5 |
| United Utilities | River Bollin Via Sws | CECIL ROAD/ASHLEY ROAD 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.
