Top of the Poops | Place | Ecclesfield and Grenoside

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Totals for Ecclesfield and Grenoside in 2025

12 Sites polluted by Yorkshire Water

153 sewage dumps

392 hours duration

That's 2.33 weeks. 2.9 times a week, on average

Change Over Time

Constituency for Ecclesfield and Grenoside

Nearby Constituencies

Waterways in Ecclesfield and Grenoside

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Ecclesfield and Grenoside 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 place 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	Sheffield Lane Dike	DEERLANDS AVENUE 178 NO 2 CSO	41	121	100
Yorkshire Water	Blackburn Brook	DEEP LANE STORM SEWER OVERFLOW	21	66	99.9
Yorkshire Water	Blackburn Brook	FALDING STREET CSO	17	62	100
Yorkshire Water	Hartley Brook Dike	SICEY AVENUE CSO	5	33	97.1
Yorkshire Water	Hartley Brook Dike	HIGH GREAVE NO 2 CSO	14	31	100
Yorkshire Water	Hartley Brook Dike	GODRIC ROAD CSO	16	30	97.3
Yorkshire Water	Blackburn Brook	BUTTERTHWAITE ROAD CSO	17	26	100
Yorkshire Water	Sheffield Lane Dike	HARTLEY BROOK ROAD CSO	15	18	100
Yorkshire Water	Sheffield Lane Dike	BARNSLEY ROAD CSO	3	1	100
Yorkshire Water	Blackburn Brook	WHEEL LANE CSO	2	0	100
Yorkshire Water	Sheffield Lane Dike	DEERLANDS AVENUE 177 CSO	1	0	100
Yorkshire Water	Hartley Brook Dike	HARTLEY BROOK AVENUE CSO	1	0	100
Yorkshire Water	Blackburn Brook	BUTTERTHWAITE LANE 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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