Leicester

Polluted by sewage 429 times in 2025 lasting 1,474 hours

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Totals for Leicester in 2025

43 Sites polluted by Severn Trent Water

429 sewage dumps

1,474 hours duration

Sewage pollution map of Leicester: 1,474 hours in 2025

That's 2.05 months. On average 1.2 times a day

Change Over Time

Constituency for Leicester

Nearby Constituencies

Waterways in Leicester

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Leicester 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 %
Severn Trent Water	River Sence	WHETSTONE WASTEWATER TREATMENT WRKS	19	255	100
Severn Trent Water	Wash Brook	OADBY STW	30	186	100
Severn Trent Water	River Biam	WESTOVER ROAD CSO	41	117	98.8
Severn Trent Water	Willow Brook	HAMMERCLIFFE RD-ULVERSCROFT RD CSO	39	108	100
Severn Trent Water	River Soar	GLEN PARVA SOUTHFIELD CLOSE SPS	10	69	98.1
Severn Trent Water	River Biam	AMY STREET PS /STORM SETT TANKS	9	68	100
Severn Trent Water	Rothley Brook Via Surf Sewer	STAMFORD STREET/ BLACKSMIITH CSO	28	63	97.4
Severn Trent Water	Anstey Brook	VARIOUS CSOS AND ANSTEY PS	17	54	99.6
Severn Trent Water	Grand Union Canal	LITTLE GLEN ROAD SPS	10	49	100
Severn Trent Water	River Soar	TUDOR ROAD/PAGET ROAD CSO	21	48	94.5
Severn Trent Water	River Sence	WOODYARD LANE CSO	13	45	100
Severn Trent Water	River Sence	AUBURN ROAD COMBINED SEWER OVERFLOW	16	44	99
Severn Trent Water	River Soar	MARSDEN LANE CSO	5	41	100
Severn Trent Water	Rothley Brook	WEST STREET PS - STORM OVERFLOW	4	32	100
Severn Trent Water	River Sence	PARK ROAD COMBINED SEWER OVERFLOW	7	32	100
Severn Trent Water	Rothley Brook	COURT CLOSE CSO	6	29	100
Severn Trent Water	River Biam	AMY STREET 14 BRAUNSTONE CSO	6	27	96.2
Severn Trent Water	Rothely Brook	BRANTING HILL CSO	12	25	100
Severn Trent Water	River Soar	KINGSWAY COMBINED SEWER OVERFLOW	6	25	99.2
Severn Trent Water	River Sence	VICARAGE LANE PUMPING STATION	2	18	100
Severn Trent Water	River Scence	PARK RD/ORANGE RD CSO	16	17	100
Severn Trent Water	R Soar/Sence/Whetstone Brook	WARWICK ROAD SPS	2	13	100
Severn Trent Water	Grand Union Canal	DYSART WAY CSO	11	13	100
Severn Trent Water	Saffron Brook	WELFORD ROAD CSO	15	10	100
Severn Trent Water	Rothley Brook Via Surf Sewer	GLENFIELD STATION ROAD CSO	1	9	94.4
Severn Trent Water	Rothley Brook Via Surf Sewer	STAMFORD STREET 2 CSO	10	9	100
Severn Trent Water	Rotheley Brook	GREENGATE LANE ESTATE - EMEG O/F	2	8	100
Severn Trent Water	River Sence	SYCAMORE STREET CSO	4	8	95.4
Severn Trent Water	Saffron Brook	KENWOOD ROAD SUB-CATCHMENT SSO	4	7	96.8
Severn Trent Water	Rothley Brook	RATBY LANE COMBINED SEWER OVERFLOW	9	6	99.4
Severn Trent Water	River Sence	WIGSTON - COUNTESTHORPE ROAD CSO	13	5	100
Severn Trent Water	Grand Union Canal	ST MARGARETS WAY CSO	1	5	100
Severn Trent Water	River Soar	RAW DYKES ROAD CSO	3	3	100
Severn Trent Water	River Soar	NARBOROUGH RD / WESTCOTE RD CSO	6	2	98.5
Severn Trent Water	Braunstone Brook	BEATRICE ROAD / SYLVAN STREET CSO	6	2	100
Severn Trent Water	Willow Brook	NEDHAM STREET CSO	8	2	100
Severn Trent Water	Braunstone Brook	BEATRICE ROAD/HAWTHORNE STREET CSO	6	1	99.3
Severn Trent Water	River Sence	WIGSTON - BLABY ROAD CSO	3	0	100
Severn Trent Water	Braunstone Brook	BEATRICE ROAD/ RUBY STREET CSO	3	0	100
Severn Trent Water	Willow Brook	HUMBERSTONE DRIVE CSO	1	0	100
Severn Trent Water	Rothley Brook	GLENFIELD LEICESTER ROAD CSO	2	0	100
Severn Trent Water	Saffron Brook	HOWARD ROAD CSO	1	0	100
Severn Trent Water	Evington Brook	GWENDOLEN ROAD CSO	1	0	99.9
Severn Trent Water	River Sence	WIGSTON CROW MILLS SPS	0	0	100
Severn Trent Water	Wash/Saffron Brook	CARISBROOKE ROAD - STORM OVERFLOW	0	0	100
Severn Trent Water	Grand Union Canal	CONDUIT STREET CSO	0	0	100
Severn Trent Water	Evington Brook	MAYFIELD ROAD CSO	0	0	100
Severn Trent Water	River Soar	THE NEWARKE CSO	0	0	99.3
Severn Trent Water	Rothley Brook	BEECHWOOD AVENUE PUMPING STATION	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

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

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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