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Polluted by sewage 196 times in 2025 lasting 820 hours
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Donate NowHere are all the reported sewage overflow totals for North West Essex 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 constituency 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 % |
|---|---|---|---|---|---|
| Thames Water | River Stort | STANSTED MOUNTFITCHET WWTW | 28 | 313 | 99 |
| Anglian Water | River Chelmer | GREAT EASTON(ESSEX) STW | 35 | 211 | 100 |
| Anglian Water | River Chelmer | GREAT DUNMOW STW | 13 | 83 | 100 |
| Anglian Water | River Chelmer | GT EASTON - BRIDGEFOOT TPS | 6 | 62 | 100 |
| Anglian Water | River Chelmer | THAXTED - PARK STREET CSO | 29 | 43 | 99.9 |
| Anglian Water | R Chelmer | PLESHEY - FORD END PUMPING STATION | 8 | 36 | 88.5 |
| Thames Water | River Roding | LEADEN RODING WWTW | 7 | 27 | 100 |
| Anglian Water | Slade | CASTLE STREET/HIGH STREET | 35 | 17 | 99.8 |
| Anglian Water | Slade River Cam | SAFFRON WALDEN-GEORGE ABBEY OV | 18 | 10 | 100 |
| Anglian Water | Slade River | SAFFRON WALDEN WRC | 11 | 7 | 99.3 |
| Thames Water | Pincey Brook | Stansted Airport | 1 | 3 | 99.3 |
| Anglian Water | River Chelmer | GREAT DUNMOW STW | 3 | 1 | 100 |
| Anglian Water | Straw Brook | CHATHAM GREEN PUMPING STATION | 1 | 0 | 100 |
| Anglian Water | River Cam | GREAT CHESTERFORD WRC | 1 | 0 | 99.7 |
| Thames Water | Great Hallingbury Brook | Birchanger - Duck End | 0 | 0 | 99.7 |
| Thames Water | Roding | Canfield End, Little Canfield | 0 | 0 | 100 |
| Anglian Water | River Chelmer | GREAT WALTHAM - HOWE STREET PS | 0 | 0 | 100 |
| Anglian Water | R Cam | LITTLE CHESTERFORD | 0 | 0 | 100 |
| Anglian Water | Slade | THAXTED ROAD/VICTORIA AVE CSO | 0 | 0 | 100 |
| Thames Water | Wayletts Ditch | Takeley - Garnets | 0 | 0 | 99.7 |
| Anglian Water | River Wid | WRITTLE - LAWFORD LANE PS | 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. Live sewage data from Stream Water API
Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org