Top of the Poops | Constituency Sewage Map | Leeds South

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Live data for Leeds South in 2026

So far this year (as of 15 Aug 2026, 19:46) there has been 1,297 hours of sewage overflows, from 31 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Totals for Leeds South in 2025

17 Sites polluted by Yorkshire Water

708 sewage dumps

4,046 hours duration

That's 5.62 months. On average 1.9 times a day

Change Over Time

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Constituencies near Leeds South

Waterways in Leeds South

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Leeds South 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 Aire	CITY SQUARE CSO	103	1,973	99.8
Yorkshire Water	Wyke Beck And River Aire	KNOSTROP WWTW	158	1,197	99.97
Yorkshire Water	Aire And Calder Navigation	THWAITEGATE PUBLIC SEWER	152	223	92.14
Yorkshire Water	Balm Beck	WESTBURY PLACE CSO	29	111	89.6
Yorkshire Water	Stoney Rock Beck	STONEYROCK LANE/COMPTON PLACE CSO	63	110	98.7
Yorkshire Water	Mill Shaw Beck	MILLSHAW NO. 2 CSO	37	94	99.3
Yorkshire Water	Wyke Beck	CARTMELL DRIVE CSO	26	92	100
Yorkshire Water	Wyke Beck	KNOSTROP CSO	12	67	99.9
Yorkshire Water	Wyke Beck	TEMPLE AVENUE CSO	25	59	100
Yorkshire Water	Wortley Beck Culverted	LOWFIELDS ROAD CSO	30	45	100
Yorkshire Water	Lady Beck	SHANNON STREET CSO	22	27	100
Yorkshire Water	Wortley Beck Pumped Outlet	WORTLEY VALLEY CSO	14	18	100
Yorkshire Water	Deane Dike	LUCY AVENUE CSO	11	9	100
Yorkshire Water	Stourton Beck	STOURTON SEWAGE PUMPING STATION	6	8	100
Yorkshire Water	Wyke Beck	VICTORIA AVENUE NO 2 CSO	11	4	100
Yorkshire Water	Throstle Carr Beck	THORPE ROAD CSO	6	2	100
Yorkshire Water	River Aire	BRIGGATE NO 2 CSO	3	0	89
Yorkshire Water	Hol Beck	GLOBE ROAD CSO	0	0	90
Yorkshire Water	Dean Dyke	HALTON DEAN TIP CSO	0	0	100
Yorkshire Water	Hol Beck	STOCKS HILL CSO	0	0	99.9

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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