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Durham

Polluted by sewage 722 times in 2025 lasting 2,464 hours

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Totals for Durham in 2025

39 Sites polluted by Northumbrian Water

722 sewage dumps

2,464 hours duration

That's 3.42 months. On average 2 times a day

Change Over Time

Constituency for Durham

Nearby Constituencies

Waterways in Durham

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Durham 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 %
Northumbrian Water	River Browney	SNOWDONS FARM CSO	36	346	99.7
Northumbrian Water	Wear	BARKERS HAUGH STW	41	344	99.6
Northumbrian Water	Wear	FINCHALE VIEW	39	220	99.6
Northumbrian Water	River Wear	FRANKLAND LANE CSO	40	184	93.7
Northumbrian Water	Saltwell Gill	DURHAM UNIVERSITY STW	42	163	99.8
Northumbrian Water	Browney	STONEBRIDGE SEWAGE PUMPING STATION	58	163	92.45
Northumbrian Water	River Wear	SANDS SYPHON SSO	49	145	99.9
Northumbrian Water	Wear,	HIGH CARR ROAD CSO	50	114	97.1
Northumbrian Water	River Wear	MILLBURNGATE CSO	22	90	89.3
Northumbrian Water	River Wear	BARKERS HAUGH NO 8 CSO	22	76	100
Northumbrian Water	Unnamed Of River Wear	BELMONT STW	8	70	62.5
Northumbrian Water	Wear	PELAW WOOD SEWER, NO 1 BATHS BRIDGE	29	65	96.3
Northumbrian Water	Black Dene Burn	PITY ME SEWAGE TREATMENT WORKS	16	57	100
Northumbrian Water	Pittington Beck	RENNYS LANE PUMPING STATION	9	57	100
Northumbrian Water	Old Durham Beck	SHINCLIFFE NO 2 PS	12	50	99.9
Northumbrian Water	Pelaw Wood Beck	LAUREL AVENUE CSO	28	49	99.9
Northumbrian Water	River Wear	ELVET SYPHON CSO	24	47	87.4
Northumbrian Water	River Browney	TOLL HOUSE ROAD CSO	37	46	98.5
Northumbrian Water	River Browney	GROVE TERRACE CSO DU005	38	42	92.4
Northumbrian Water	Wear	LEAMSIDE CSO	2	27	99
Northumbrian Water	Pity Me Beck	PITY ME ROUNDABOUT CSO	12	21	96.1
Northumbrian Water	Wear	SHINCLIFFE SSO MANHOLE NO. 2	7	17	99.4
Northumbrian Water	River Wear	SHINCLIFFE (A177) CSO	13	13	99.7
Northumbrian Water	Pittington Beck	STATION BANK (DU21)	20	12	99.9
Northumbrian Water	Goat'S Beck River Browney	DURHAM SKILL CENTRE CSO DU008	13	11	83.3
Northumbrian Water	River Wear	BARKERS HAUGH CSO NO. 10	4	7	99.4
Northumbrian Water	River Wear	WALKERGATE DURHAM CSO	8	5	96.1
Northumbrian Water	Wear	CANTEBURY ROAD CSO	7	5	99.8
Northumbrian Water	Wear	FALLSWAY CSO (DU57)	3	1	99
Northumbrian Water	Wear	BARCLAYS A CSO ELVET	6	1	99.8
Northumbrian Water	Relley Gill	BROOM PARK OLD WORKS CSO	7	1	98.4
Northumbrian Water	Pittington Beck	DRAGON LANE CSO	3	0	96.5
Northumbrian Water	River Wear	CATHEDRAL BANKS CSO	6	0	99.9
Northumbrian Water	Wear	JUBILEE PLACE CSO	2	0	87.2
Northumbrian Water	Wear	SALISBURY PS	2	0	100
Northumbrian Water	Wear/Pelaw Wood Beck	CATHEDRAL BANKS CSO	2	0	100
Northumbrian Water	Wear	HIGH ST CSO	2	0	100
Northumbrian Water	Wear	STOCKTON RD & QUARRY HEADS LN CSOs	2	0	95.5
Northumbrian Water	River Wear	CHURCH STREET DU026	1	0	93
Northumbrian Water	Clvrtd River Wear	AINSLEY STREET CSO	0	0	99.9
Northumbrian Water	Flass Burn	ATHERTON STREET CSO	0	0	99.7
Northumbrian Water	River Wear	BARKERS HAUGH NO 5 CSO	0	0	98.3
Northumbrian Water	Pittington Beck	DEVONSHIRE ROAD EAST CSO	0	0	99.8
Northumbrian Water	Pittington Beck	DEVONSHIRE ROAD WEST CSO	0	0	99.3
Northumbrian Water	Pelaw Wood Beck	PELAW WOOD ST. GILES CLOSE CSO	0	0	99.8
Northumbrian Water	Redhouse Gill,	ROWAN DRIVE CSO (DU 52)	0	0	93.2
Northumbrian Water	River Wear	WADDINGTON STREET CSO	0	0	99.7

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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