River Tees polluted by sewage 550 times in 2022 - lasting 2,710 hours

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Contains OS Data © Crown copyright & database right 2021-2022
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Totals for River Tees in 2022
24 Sites polluted by Northumbrian Water
550 sewage dumps
2,710 h duration
That's 3.76 months. On average 1.5 times a day

Pollution Summary 2022

Here are all the reported sewage overflow totals for River Tees in 2022. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page - This is because there is an invalid grid reference on the pollution consent - so we don't know where the CSO is. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River Tees MIDDLETON AIRPORT STORM TW 58 1,069 100
Northumbrian Water River Tees ROMALDKIRK SEWAGE DISPOSAL WORKS 48 372 100
Northumbrian Water River Tees GAINFORD SEWAGE TREATMENT WORKS 34 227 98.85
Northumbrian Water River Tees CLOCKWOOD SEWAGE PUMPING STATION 38 218 93.55
Northumbrian Water River Tees MIDDLETON ONE ROW CSO 49 168 99.8
Northumbrian Water River Tees BARNARD CASTLE STW 38 166 49.8
Northumbrian Water River Tees PORTRACK SEWAGE TREATMENT WORKS 71 134 78.65
Northumbrian Water River Tees WHORLTON STW 14 107 99.5
Northumbrian Water River Tees BISHOP STREET NORTH SSO 48 84 85.03
Northumbrian Water River Tees THE LENDINGS (STARTFORTH) SPS 13 39 92.2
Northumbrian Water River Tees DEMESNES MILL CSO 30 33 93.2
Northumbrian Water River Tees BARNARD CASTLE STW 23 24 69.2
Northumbrian Water River Tees AISLABY QUAY SPS 3 18 82.3
Northumbrian Water River Tees MIDDLETON-IN-TEESDALE SEWAGE TREATM 29 14 43.75
Northumbrian Water River Tees GALGATE CSO 14 8 99.8
Northumbrian Water River Tees ACKLAM STREET OUTFALL 12 7 100
Northumbrian Water River Tees VULCAN STREET OUTFALL 10 5 100
Northumbrian Water River Tees PORT CLARENCE WEST PS OUTFALL 2 2 55.7
Northumbrian Water River Tees CALIFORNIA ROW CSO 2 2 80.9
Northumbrian Water River Tees MAYFAIR ROAD CSO 2 1 100
Northumbrian Water River Tees STAPLETON SPS 4 1 100
Northumbrian Water River Tees YARM BRIDGE CSO 3 1 100
Northumbrian Water River Tees WINSTON STW 2 0 87
Northumbrian Water River Tees TOWER STREET CSO 3 0 85.45
Northumbrian Water River Tees CSO AT REAR OF 1 RIVER TERRACE 0 0 99.8
Northumbrian Water River Tees SNOWDON ROAD PS 0 0 100
Northumbrian Water River Tees A CSO AT SMITHS DOCK ROAD 0 0 100
Northumbrian Water River Tees HURWORTH PLACE SPS 0 0 100
Northumbrian Water River Tees PORT CLARENCE EAST PUMPING STATION 0 0 99.9
Northumbrian Water River Tees YARM ROAD / MUIRFIELD ROAD 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

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This 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.