Normanton and Hemsworth was polluted by sewage 1,073 times in 2023
lasting 11,037 hours - that's 1.28 years!
- but monitoring was disabled in some locations, so could be more

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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 Normanton and Hemsworth in 2023
22 Sites polluted by Yorkshire Water
1,073 sewage dumps
11,037 h duration
That's 1.28 years! On average 2.9 times a day
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Normanton and Hemsworth 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 23 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 River Went ACKWORTH WWTW 205 3,702 100
Yorkshire Water Hemsworth Dyke SOUTH ELMSALL WWTW 155 1,575 100
Yorkshire Water Cold Hiendley Reservoir COLD HIENDLEY STW 79 1,219 52.7
Yorkshire Water Brook Dike/River Dearne WATH UPON DEARNE WWTW 75 1,106 99.5
Yorkshire Water Hessle Beck FITZWILLIAM SPS 62 1,022 100
Yorkshire Water Skell WRANGBROOK STW 48 663 100
Yorkshire Water Applehaigh Beck NOTTON SPS 77 458 99.6
Yorkshire Water Oakenshaw Beck CROFTON STW 38 339 97
Yorkshire Water Hoyle Mill Beck HOYLE MILL LANE SPS 39 192 100
Yorkshire Water Drain Beck SHAY LANE SEWAGE PUMPING STATION 22 192 99.7
Yorkshire Water Sewerbridge Beck SEWERBRIDGE LANE CSO 33 126 99.7
Yorkshire Water Went Beck SHARLSTON (GIN LANE) SPS 33 99 100
Yorkshire Water Applehaigh Beck BLEAKLEY LANE NO 2 CSO 40 88 96.3
Yorkshire Water Went Beck SOUTHFIELD AVENUE SPS 24 59 100
Yorkshire Water Sewerbridge Beck FEATHERSTONE LANE (NORTH) SPS 27 43 100
Yorkshire Water Went Beck FEATHERSTONE NO 2 CSO 36 40 98.5
Yorkshire Water Ashfield Beck KING EDWARD STREET NO 2 CSO 32 35 100
Yorkshire Water River Went KINSLEY WAKEFIELD ROAD CSO 16 27 100
Yorkshire Water Wintersett Reservoir 109 STATION ROAD 16 25 100
Yorkshire Water Hoyle Mill Drain HEMSWORTH SPS (WOODLANDS) 5 9 100
Yorkshire Water Ashfield Beck ASHGAP LANE CSO 8 5 85.9
Yorkshire Water Hemsworth Dyke GROVE LANE STORM TANKS 3 3 100
Yorkshire Water Lawns Dike, Newmiller Dam SECKAR SEWAGE TREATMENT WORKS 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.