Sheffield Hallam was polluted by sewage 530 times in 2024
lasting 1,833 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
Totals for Sheffield Hallam in 2024
14 Sites polluted by Yorkshire Water
530 sewage dumps
1,833 h duration
That's 2.55 months. On average 1.5 times a day
Change Over Time
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Pollution Summary 2024

Here are all the reported sewage overflow totals for Sheffield Hallam 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 16 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 %
Yorkshire Water River Sheaf MILLHOUSES PARK CSO 98 605 99.95
Yorkshire Water River Rivelin RIVELIN VALLEY 3 CSO 60 243 98.1
Yorkshire Water River Don LANGSETT ROAD CSO 57 237 100
Yorkshire Water Porter Brook HANGINGWATER ROAD CSO 65 227 100
Yorkshire Water River Rivelin GLEN BRIDGE COMBINED SEWER OVERFLOW 50 152 98
Yorkshire Water River Rivelin STANNINGTON ROAD NO.2 CSO 53 92 99.1
Yorkshire Water Porter Brook WHITELEY WOODS CSO 32 86 100
Yorkshire Water Porter Brook SLAYLEIGH LANE CSO 31 52 100
Yorkshire Water Black Brook ROCHESTER ROAD SEWAGE PUMPING STN 13 45 100
Yorkshire Water Porter Brook ENDCLIFFE PARK CSO 26 41 91.4
Yorkshire Water Porter Brook YORKSHIRE WATER SERVICES LTD, DETEN 8 20 98.6
Yorkshire Water Porter Brook STUMPERLOWE ROAD CSO 18 14 98
Yorkshire Water Oak Brook RIVERDALE ROAD NO 2 CSO 16 12 100
Yorkshire Water Porter Brook SNAITHING LANE CSO 3 2 100
Yorkshire Water Porter Brook SNAITHING PARK ROAD CSO 0 0 100
Yorkshire Water Porter Brook BELGRAVE ROAD WEST CSO 0 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.