Harwich and North Essex was polluted by sewage 749 times in 2024
lasting 5,959 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Harwich and North Essex in 2025
So far this year (as of Apr 16, 2025, 6:30 PM) there has been 368 hours of sewage overflows
Totals for Harwich and North Essex in 2024
29 Sites polluted by Anglian Water
749 sewage dumps
5,959 h duration
That's 8.28 months. On average 2.1 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Harwich and North Essex, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2024

Here are all the reported sewage overflow totals for Harwich and North Essex in 2024. 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 0 of the total 29 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Anglian Water Wignall Brook WIGNALL STREET PS 77 1,666 99.8
Anglian Water Bromley Brook GREAT BROMLEY WRC 53 983 100
Anglian Water River Colne WEST BERGHOLT STW 37 697 87.1
Anglian Water River Colne FORD STREET T.P.S. 55 653 98.2
Anglian Water Ten Penny Brook River Colne N THORRINGTON WATER RECYCLING CENTRE 73 443 99.65
Anglian Water Colne Estuary COLCHESTER WATER RECYCLING CENTRE 105 390 99.47
Anglian Water River Colne EIGHT ASH GREEN STW 45 300 99.1
Anglian Water Tidal River Stour HARWICH AND DOVERCOURT WRC 29 152 99.95
Anglian Water Tidal River Colne WIVENHOE-PHILLIP ROAD CSO 46 149 98.8
Anglian Water Tidal River Colne WIVENHOE-THE FOLLY CSO 16 119 99.5
Anglian Water Blackwater Estuary WEST MERSEA WATER RECYCLING CENTRE 29 94 100
Anglian Water West Dyke BRIGHTLINGSEA WEST DYKE TERMINAL PS 8 62 91.2
Anglian Water River Colne COLCHESTER - REGENT COURT CSO 19 62 99.6
Anglian Water Wignall Brook Stour Estuary MANNINGTREE(LAWFORD) STW 10 45 100
Anglian Water Horkesley Black Brook IVY LODGE SPS 6 31 100
Anglian Water Tidal River Colne COLCHESTER-HAVEN ROAD CSO 18 31 100
Anglian Water River Colne EIGHT ASH GREEN - HEATHFIELDS SPS 3 20 100
Anglian Water Bourne Brook COLCHESTER-BOURNE MILL CSO 21 15 100
Anglian Water South Hall Creek DOVERCOURT LOW ROAD PUMPING STATION 2 12 100
Anglian Water West Dyke BRIGHTLINGSEA STATION ROAD CSO 33 9 100
Anglian Water Dedham Mill Tail- Rv Stour DEDHAM WATER RECYCLING CENTRE 3 7 100
Anglian Water West Dyke BRIGHTLINGSEA - SPRING ROAD CSO 39 4 100
Anglian Water Drain Colne Estuary BRIGHTLINGSEA STATION ROAD CSO 10 2 100
Anglian Water Unnamed Brightlingsea Bro SAMPSON ROAD SPS 1 1 100
Anglian Water River Colne COLCHESTER-ROWHEDGE ALBION ST. CSO 4 0 100
Anglian Water Birch Brook ROWHEDGE - HIGH STREET PUMPING ST. 2 0 100
Anglian Water Frating Brook ELMSTEAD-HOLLY WAY THATCHERS DR PS 1 0 100
Anglian Water West Dyke BRIGHTLINGSEA STATION ROAD CSO 3 0 100
Anglian Water West Dyke BRIGHTLINGSEA CSO (BELLFIELD 35) 1 0 100

Data Sources & Accuracy

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.