River Tees polluted by sewage 990 times in 2023 - lasting 7,506 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Tees in 2023
25 Sites polluted by Northumbrian Water
990 sewage dumps
7,506 h duration
That's 10.43 months. On average 2.7 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Tees in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water River Tees MIDDLETON-IN-TEESDALE SEWAGE TREATM 162 2,345 95.25
Northumbrian Water River Tees PORTRACK SEWAGE TREATMENT WORKS 180 1,148 96.95
Northumbrian Water River Tees MIDDLETON AIRPORT STORM TW 49 804 100
Northumbrian Water River Tees CLOCKWOOD SEWAGE PUMPING STATION 72 688 100
Northumbrian Water River Tees GAINFORD SEWAGE TREATMENT WORKS 75 668 99.55
Northumbrian Water River Tees ROMALDKIRK SEWAGE DISPOSAL WORKS 54 514 90.7
Northumbrian Water River Tees BARNARD CASTLE STW 70 474 100
Northumbrian Water River Tees MIDDLETON ONE ROW CSO 62 278 94.3
Northumbrian Water River Tees BISHOP STREET NORTH SSO 56 237 90.2
Northumbrian Water River Tees AISLABY QUAY SPS 11 100 99.6
Northumbrian Water River Tees BARNARD CASTLE STW 33 47 98.7
Northumbrian Water River Tees ACKLAM STREET OUTFALL 60 43 99.8
Northumbrian Water River Tees DEMESNES MILL CSO 28 42 89.3
Northumbrian Water River Tees PORT CLARENCE WEST PS OUTFALL 7 25 100
Northumbrian Water River Tees THE LENDINGS (STARTFORTH) SPS 20 21 100
Northumbrian Water River Tees STAPLETON SPS 11 21 99.7
Northumbrian Water River Tees GALGATE CSO 14 15 97
Northumbrian Water River Tees VULCAN STREET OUTFALL 3 9 99.8
Northumbrian Water River Tees WHORLTON STW 9 8 97.9
Northumbrian Water River Tees CALIFORNIA ROW CSO 4 3 100
Northumbrian Water River Tees YARM BRIDGE CSO 5 2 100
Northumbrian Water River Tees ATLAS WYND SEWAGE PUMPING STATION 1 2 99.3
Northumbrian Water River Tees MAYFAIR ROAD CSO 2 1 99.8
Northumbrian Water River Tees TOWER STREET CSO 1 0 67.25
Northumbrian Water River Tees WINSTON STW 1 0 100
Northumbrian Water River Tees CSO AT REAR OF 1 RIVER TERRACE 0 0 100
Northumbrian Water River Tees SNOWDON ROAD PS 0 0 48
Northumbrian Water River Tees A CSO AT SMITHS DOCK ROAD 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 96
Northumbrian Water River Tees HURWORTH PLACE SPS 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. 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.