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Sunderland

Polluted by sewage 549 times in 2025 lasting 1,749 hours

Monitoring was disabled in some locations, so could be more

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Totals for Sunderland in 2025

25 Sites polluted by Northumbrian Water

549 sewage dumps

1,749 hours duration

That's 2.43 months. On average 1.5 times a day

Change Over Time

Constituency for Sunderland

Nearby Constituencies

Waterways in Sunderland

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Sunderland 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 1 of the total 32 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway locations had reporting enabled for less than half the year. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Northumbrian Water	North Sea	HENDON PRELIMINARY TREATMENT WORKS	70	279	100
Northumbrian Water	River Wear	DEPTFORD PUMPING STATION	46	200	99.5
Northumbrian Water	Wear Estuary	ST PETERS PUMPING STATION OUTFALL N	15	178	100
Northumbrian Water	River Wear	FERRYBOAT LANE PUMPING STATION	12	142	95.9
Northumbrian Water	River Wear	CASTLETOWN WAY SPS	40	126	100
Northumbrian Water	Wear	NORTH HYLTON SEWAGE PUMPING STATION	16	108	99.9
Northumbrian Water	Wear Estuary	BODLEWELL LANE CSO	24	107	83.6
Northumbrian Water	River Wear	GOLDEN LION SPS	20	87	99.9
Northumbrian Water	Wear	QUEEN ALEXANDRA PS	32	79	99.9
Northumbrian Water	River Wear	LOW SOUTHWICK PUMPING STATION	41	76	99.7
Northumbrian Water	Wear	GILL CEMETERY CSO (SU061)	46	71	92
Northumbrian Water	North Sea	CSO SALTERFEN SU47	42	68	99.8
Northumbrian Water	North Sea	RYHOPE SSO	30	48	100
Northumbrian Water	Wear Estuary	POTTERY LANE PS	9	42	99.8
Northumbrian Water	North Sea	WHITBURN STEEL PS	12	42	100
Northumbrian Water	River Wear	PALLION PUMPING STATION	31	33	75.3
Northumbrian Water	Wear	HAY STREET CSO SU056	10	16	99.7
Northumbrian Water	North Sea	GRANGETOWN CSO	10	15	56.3
Northumbrian Water	Wear Estuary	PRIESTLEY CRESCENT CSO	15	12	100
Northumbrian Water	River Wear	WELLINGTON LANE PUMPING STATION	6	3	94.6
Northumbrian Water	Wear	KIER HARDY WAY	10	3	99.7
Northumbrian Water	North Sea	CSO SUNDERLANS GAS WORKS	5	2	100
Northumbrian Water	Herrington Burn Via A Culvert	WEST PARK ESTATE CSO	4	2	99.7
Northumbrian Water	Wear	ST LUKES ROAD	1	0	100
Northumbrian Water	North Sea	WHITBURN STORM SEWAGE OVERFLOW	2	0	99.7
Northumbrian Water	North Sea	BACK LODGE TERRACE CSO	0	0	96.6
Northumbrian Water	Hendon Burn	BARLEY MOW PARK CSO	0	0	89.3
Northumbrian Water	North Sea	EAST HENDON ROAD CSO	0	0	91.9
Northumbrian Water	North Sea	MAINSFORTH TERRACE CSO SU63	0	0	95.1
Northumbrian Water	North Sea	ROKER STORM SEWAGE OVERFLOW	0	0	0
Northumbrian Water	North Sea	SEABURN NORTH CSO	0	0	98.6
Northumbrian Water	North Sea	SEABURN SOUTH CSO	0	0	89.7

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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