Wentworth and Dearne was polluted by sewage 1,567 times in 2023
lasting 13,777 hours - that's 1.59 years!
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Wentworth and Dearne in 2023
29 Sites polluted by Severn Trent Water, Yorkshire Water
1,567 sewage dumps
13,777 h duration
That's 1.59 years! On average 4.3 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Wentworth and Dearne 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 1 of the total 32 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water Unnamed Of Harley Dyke WENTWORTH WWTW 198 3,789 97.7
Yorkshire Water River Don SWINTON SEWAGE TREATMENT WORKS 169 2,576 97.1
Yorkshire Water Hooton Brook RAVENFIELD VILLAGE STW 203 2,012 99.7
Yorkshire Water River Dearne BOLTON ON DEARNE STW 103 1,042 99.65
Yorkshire Water River Don ALDWARKE WWTW 81 1,016 96.1
Yorkshire Water River Dearne BARNBURGH STW 162 958 99.7
Yorkshire Water Thurnscoe Dike THURNSCOE CSO 86 634 99.6
Yorkshire Water Harley Dike HARLEY STW 46 374 100
Yorkshire Water Clvrt Kilnhurst Cut LIME GROVE CSO 62 219 99.9
Yorkshire Water Hooton Brook HOOTON ROBERTS STW 75 208 99.7
Yorkshire Water Sheff CARLISLE STREET CSO 57 145 99.9
Yorkshire Water Thurnscoe Dike BURNTWOOD CLOSE CSO 44 122 100
Severn Trent Water Hellaby Dyke RAVENFIELD COMMON PS/STM/EMERG OF 28 121 100
Yorkshire Water River Don SWINTON (KILNHURST-HOOTON RD) SPS 31 114 79.3
Yorkshire Water Knoll Beck PONTEFRACT ROAD CSO 23 109 100
Yorkshire Water Roundwood Brook RAWMARSH NO 2 CSO 27 106 100
Yorkshire Water Brook Dike WATH DONCASTER ROAD CSO 51 62 100
Yorkshire Water Brook Dyke WATH BROOK DIKE CSO 17 44 99.8
Yorkshire Water Brook Dike WATH MOOR ROAD CSO 29 33 92.3
Yorkshire Water Harley Dike BARROWFIELD ROAD CSO 20 27 52.5
Yorkshire Water Far Moor Dyke FURLONG POND NO 2 CSO 18 25 100
Yorkshire Water Parish Dyke STADIUM WAY CSO 5 19 100
Yorkshire Water Knoll Beck MOORBRIDGE ROAD CSO 11 6 94.5
Yorkshire Water Brook Dike Culverted WAT CHURCH STREET CSO 11 5 96.2
Yorkshire Water River Dearne MEXBOROUGH EAST CSO 3 1 97.4
Yorkshire Water Brook Dike STUMP CROSS ROAD CSO 3 1 97.5
Yorkshire Water Brook Dike WATH WEST STREET CSO 2 0 98.9
Yorkshire Water Brook Dike NEW HILL PARK CSO 1 0 100
Yorkshire Water Brook Dike WATH CEMETERY ROAD CSO 1 0 97.6
Yorkshire Water Brook Dike MELTON GREEN CSO 0 0 96.4
Yorkshire Water Brook Dike YORKSHIRE WATER SERVICES LTD 0 0 96.5
Yorkshire Water River Don FOSTERS GARAGE SPS 0 0 0

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.