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North Sea polluted by sewage 599 times in 2025 - lasting 2,283 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Totals for North Sea in 2025
23 Sites polluted by Yorkshire Water
599 sewage dumps
2,283 h duration
That's 3.17 months. On average 1.6 times a day

Pollution Summary 2025

Here are all the reported sewage overflow totals for North Sea in 2025. Sometimes sewage can be being dumped for months at a time.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Yorkshire Water North Sea COW WATH BECK CSO 33 434 100
Yorkshire Water North Sea BRIDLINGTON STW 108 297 93.7
Yorkshire Water North Sea WHITBY ROAD BRIDGE CSO 44 249 100
Yorkshire Water North Sea MAPPLETON SPS 48 230 100
Yorkshire Water North Sea FILEY WASTE WATER TREATMENT WORKS 60 159 100
Yorkshire Water North Sea SANDS LANE SEWAGE PUMPING STATION 41 131 100
Yorkshire Water North Sea SCALBY NESS OUTFALL 49 103 100
Yorkshire Water North Sea CAYTON BAY SEWAGE PUMPING STATION 7 94 100
Yorkshire Water North Sea LYTHE BANK SPS 8 87 100
Yorkshire Water North Sea THE WHEATCROFT SHORT SEA OUTFALL 11 87 100
Yorkshire Water North Sea RUNSWICK BAY SPS 10 76 100
Yorkshire Water North Sea HORNSEA SPS 63 70 100
Yorkshire Water North Sea BELGRAVE ROAD CSO 37 65 100
Yorkshire Water North Sea FLAT CLIFFS SEWAGE PUMPING STATION 10 58 100
Yorkshire Water North Sea ROBIN HOODS BAY SEA OUTFALL 17 44 99.9
Yorkshire Water North Sea MEMORIAL GARDENS SPS 8 39 99.9
Yorkshire Water North Sea TOLL HOUSE STORMWATER OUTFALL 18 22 100
Yorkshire Water North Sea HILDERTHORPE ROAD CSO 12 13 100
Yorkshire Water North Sea CORNER CAFE CSO 6 7 100
Yorkshire Water North Sea ST ANNES ROAD CSO 4 5 100
Yorkshire Water North Sea LIMEKILN LANE CSO 2 2 100
Yorkshire Water North Sea NEW ROAD BRIDGE CSO 2 0 100
Yorkshire Water North Sea COD & LOBSTER SSO 1 0 99.3
Yorkshire Water North Sea AQUARIUM TOP STORMWATER OUTFALL 0 0 100
Yorkshire Water North Sea NORTH TERRACE 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.