Here are all the reported sewage overflow totals for Mole Valley 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 4 of the total 20 CSO locations had reporting enabled for less than half the year, of which 4 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Thames Water | Holmwood Stm Leigh Brk | HOLMWOOD SEWAGE TREATMENT WORKS | 118 | 1,997 | 99.8 |
| Thames Water | River Mole | LEATHERHEAD WWTW | 61 | 967 | 98.7 |
| Thames Water | River Mole | DORKING STW (STORM) | 71 | 920 | 100 |
| Thames Water | Mans Brook | CHARLWOOD, SURREY | 41 | 328 | 87.3 |
| Thames Water | River Wey/Ockham Mill Stream | RIPLEY WASTEWATER TREATMENT WORKS | 22 | 160 | 99.8 |
| Thames Water | River Mole | COACH ROAD CSO ON STONEBRIDGE SEWER | 19 | 154 | 50.4 |
| Thames Water | Deanoak Brook | CSO AT CAPEL SPS | 24 | 138 | 75.3 |
| Thames Water | River Mole | Brockham Bridge | 8 | 50 | 97.3 |
| Thames Water | Mole | CASTLE GARDENS SPS | 5 | 32 | 76.1 |
| Thames Water | Into Land | Box Hill | 11 | 20 | 70.1 |
| Thames Water | Mole | RIVER LANE PUMPING STATION, FETCHAM | 4 | 18 | 99.8 |
| Thames Water | Deanoak Brook | Dean Oak Lane | 7 | 12 | 100 |
| Thames Water | Tanners Brook | SPOOKS HILL, NORTH HOLMWOOD, SURREY | 6 | 9 | 97.1 |
| Thames Water | Bookham Brook | Commonside | 2 | 8 | 96.1 |
| Thames Water | Tanners Brook | SURFACE WATER SEWER | 1 | 1 | 99.3 |
| Thames Water | Wey | Wisley | 0 | 0 | 0 |
| Thames Water | Mole | Emlyn Lane | 0 | 0 | 0 |
| Thames Water | Bents Brook | Bentsbrook Road, Dorking | 0 | 0 | 0 |
| Thames Water | Culverted Ockham Brook | OCKHAM ROAD SOUTH CSO | 0 | 0 | 98.7 |
| Thames Water | Mole | Horley Road, Charlwood | 0 | 0 | 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. 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.
