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Stockton-on-Tees

Polluted by sewage 1,771 times in 2025 lasting 3,068 hours

Monitoring was disabled in some locations, so could be more

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Totals for Stockton-on-Tees in 2025

37 Sites polluted by Northumbrian Water

1,771 sewage dumps

3,068 hours duration

That's 4.26 months. On average 4.9 times a day

Change Over Time

Constituency for Stockton-on-Tees

Nearby Constituencies

Waterways in Stockton-on-Tees

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Stockton-on-Tees 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 43 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	River Tees	PORTRACK SEWAGE TREATMENT WORKS	110	651	99.9
Northumbrian Water	Lustrum Beck	GRAYS ROAD CSO	37	369	92.2
Northumbrian Water	River Tees	BISHOP STREET NORTH SSO	69	195	95.93
Northumbrian Water	Lustrum Beck	EASTBOURNE SOUTH CSO	44	182	91.3
Northumbrian Water	Billinghan Beck	STATION ROAD STORM SEWAGE OVERFLOW	50	179	98
Northumbrian Water	Lustrum Beck	TILERY STORM SEWAGE PUMPING STATION	28	170	100
Northumbrian Water	Lustrum Beck	BISHOPTON ROAD CSO	28	151	99.2
Northumbrian Water	Tees Estuary	SUN STREET STORM SEWAGE OVERFLOW	36	124	99.25
Northumbrian Water	Lustrum Beck	GRANGEFIELD ROAD SSO	31	98	99.6
Northumbrian Water	Lustrum Beck	BROWNS BRIDGE CSO	12	89	99.9
Northumbrian Water	Billingham Beck	NEWPORT SEWAGE PUMPING STATION	47	89	99.9
Northumbrian Water	Lustrum Beck	OXBRIDGE LANE CSO	14	83	96.9
Northumbrian Water	Lustrum Beck	EASTBOURNE EAST & WEST CSO	40	74	99.8
Northumbrian Water	Billingham Beck	NORTON SEWAGE PUMPING STATION	11	72	100
Northumbrian Water	Lustrum Beck	QUEENSPORT CLOSE CSO	13	67	99.3
Northumbrian Water	Lustrum Beck	LUSTRUM HIGH LEVEL CSO	29	63	85.5
Northumbrian Water	Lustrum Beck	NORTH TEES SEWAGE PUMPING STATION	12	59	95.7
Northumbrian Water	Old River Tees	OLD RIVER TEES PUMPING STATION	25	58	100
Northumbrian Water	Tees	CSO AT GREEN LANE	23	39	95
Northumbrian Water	Billingham Beck	TEESDALE AVENUE CSO	15	35	95.6
Northumbrian Water	River Tees Estuary	BOWESFIELD LANE CSO	15	30	100
Northumbrian Water	Tees Estuary	CORNFIELD ROAD PUMPING STATION	6	28	99.9
Northumbrian Water	Hartburn Beck	SPRING WAY CSO ST021	22	25	99
Northumbrian Water	Tees Estuary	STATION STREET CSO	25	25	97.3
Northumbrian Water	Lustrum Beck	GRAYS ROAD CSO	10	24	99.6
Northumbrian Water	River Tees Estuary	NEWPORT ROAD CSO	960	21	97.7
Northumbrian Water	Tees	CASTLETON WALK CSO	12	18	96.5
Northumbrian Water	Greens Beck	KILBURN ROAD CSO	7	16	98.9
Northumbrian Water	Billingham Bek	CALF FALLOW LANE SPS	4	6	99.9
Northumbrian Water	Lustrum Beck	WESTFIELD COURT CSO	8	3	99.7
Northumbrian Water	Elm Tree Beck	WOODBOROUGH LANE CSO	2	3	99.4
Northumbrian Water	Old River Tees	A66 RIDER SEWER CSO	4	2	97
Northumbrian Water	Green'S Beck	GREEN'S LANE CSO	5	2	97
Northumbrian Water	Hartburn Beck	LEALHOME GROVE CSO	6	1	99.7
Northumbrian Water	Tees Estuary	BOATHOUSE LANE PUMPING STATION	9	1	100
Northumbrian Water	Lustrum Beck	DARLINGTON LANE SSO	1	0	99.2
Northumbrian Water	River Tees	TOWER STREET CSO	1	0	95.25
Northumbrian Water	River Tees Saline Estuary	CSO AND SPS AT MIDDLESBROUGH ROAD	0	0	99.7
Northumbrian Water	Lustrum Beck,	HILLS SEWAGE PUMPING STATION	0	0	0
Northumbrian Water	Mill Race	NEW ROAD CSO	0	0	86.5
Northumbrian Water	Hartburn Beck	ABATTOIR ST CSO	0	0	99.7
Northumbrian Water	Lustrum Beck	CSO TO REAR OF 62 GRANGE AVE	0	0	99.2
Northumbrian Water	Tees Estuary	PRESTON 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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