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Polluted by sewage 119 times in 2025 lasting 725 hours
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 Hassocks and Hurstpierpoint 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 place 1 of the total 4 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 % |
|---|---|---|---|---|---|
| Southern Water | Unnamed Herrings Stream | WILLOW WAY HURSTPIERPOINT CSO | 64 | 543 | 100 |
| Southern Water | Freshwater River | HURSTPIERPOINT PUMPING STATION | 27 | 139 | 100 |
| Southern Water | Unnamed Herrings Stream | SOUTH STREET DITCHLING CSO | 18 | 39 | 48.3 |
| Southern Water | Freshwater River | CUCKFIELD ROAD | 10 | 2 | 98.6 |
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.
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Get in touch if you have queries or want to discuss our data.
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