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Polluted by sewage 106 times in 2025 lasting 520 hours
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Donate NowHere are all the reported sewage overflow totals for Boston 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 all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Anglian Water | Wash Estuary | BOSTON NEW EAST SIDE TERMINAL PS | 33 | 216 | 100 |
| Anglian Water | Frampton Town Drain | FRAMPTON STW | 12 | 174 | 100 |
| Anglian Water | Hobhole Drain | FISHTOFT STW | 9 | 43 | 99.9 |
| Anglian Water | South Forty Foot Drain | BOTSON LONDON ROAD PUMPING STATION | 7 | 42 | 93.1 |
| Anglian Water | Haven | BOSTON LONDON ROAD PUMPING STATION | 22 | 18 | 100 |
| Anglian Water | Maud Foster Drain | BOSTON QUEENS ROAD CSO | 6 | 15 | 100 |
| Anglian Water | North Forty Foot Drain | BOSTON SLEAFORD ROAD PS | 9 | 6 | 100 |
| Anglian Water | Haven | BOSTON NORFOLK PLACE CSO | 3 | 0 | 100 |
| Anglian Water | Maud Foster Drain | NORFOLK STREET CSO | 1 | 0 | 61 |
| Anglian Water | Hobhole Drain | ROCHFORD TOWER CSO | 1 | 0 | 94.2 |
| Anglian Water | Maud Foster Drain | BOSTON CHURCH ROAD PS | 2 | 0 | 99.4 |
| Anglian Water | North Forty Foot Drain | FENSIDE ROAD PUMPING STATION | 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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org