Top of the Poops | Constituency Sewage Map | Sheffield Central

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Live data for Sheffield Central in 2026

So far this year (as of 18 May 2026, 12:00) there has been 326 hours of sewage overflows, from 17 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Sheffield Central in 2025

15 Sites polluted by Yorkshire Water

313 sewage dumps

728 hours duration

That's 4.33 weeks. 6 times a week, on average

Change Over Time

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Waterways in Sheffield Central

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Sheffield Central 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 %
Yorkshire Water	River Sheaf	LEYBURN ROAD SHEFFIELD NO2 CSO	30	113	100
Yorkshire Water	River Loxley	WATERSMEET ROAD NO1 CSO	47	104	100
Yorkshire Water	Porter Brook	STALKER WALK NO 2CSO	42	99	99.8
Yorkshire Water	River Sheaf	SSO IN BROADFIELD ROAD, SHEFFIELD	24	91	99.7
Yorkshire Water	River Sheaf	EAST COWICK SEWAGE PUMPING STATION	24	67	99.8
Yorkshire Water	River Sheaf	ABBEYDALE ROAD 62 NO2 CSO	7	65	100
Yorkshire Water	River Loxley	HILL BRIDGE CSO	33	51	84
Yorkshire Water	River Sheaf	GRANVILLE ROAD STORM SEWAGE OVERFLW	26	51	100
Yorkshire Water	River Porter	ECCLESALL ROAD CSO	25	31	96.7
Yorkshire Water	River Don	BURGOYNE ROAD CSO	21	22	94.5
Yorkshire Water	Porter Brook	BROOMGROVE ROAD CSO	11	8	99.9
Yorkshire Water	River Sheaf	ST MARY'S ROAD CSO	5	8	100
Yorkshire Water	Porter Brook	BROCCO BANK NO 2 CSO	8	7	100
Yorkshire Water	River Sheaf	AIZLEWOOD ROAD CSO	7	6	100
Yorkshire Water	River Don	BURNABY CRESCENT CSO	3	1	100
Yorkshire Water	River Don	ALMA STREET SHEFFIELD CSO	0	0	99.5
Yorkshire Water	Porter Brook	ENDCLIFFE VALE ROAD CSO	0	0	100
Yorkshire Water	River Don	WAINGATE 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. Live sewage data from Stream Water API

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.

Analysing sewage pollution by the Water Industry

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© 2020-2025 Top-Of-The-Poops CC-BY-SA 4.0,
© Openstreetmap contributors, Contains OS data © Crown copyright and database right 2021-2025,
Contains Water UK National Storm Overflow Hub Data CC-BY-SA 4.0 and analysis © 2025 Top-Of-The-Poops

Some data reproduced under Open Government Licence

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