River Derwent polluted by sewage 761 times in 2024 - lasting 7,990 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for River Derwent in 2024
18 Sites polluted by Yorkshire Water
761 sewage dumps
7,990 h duration
That's 11.1 months. On average 2.1 times a day

Pollution Summary 2024

Here are all the reported sewage overflow totals for River Derwent in 2024. 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 %
Yorkshire Water River Derwent STAMFORD BRIDGE NORTH SPS 118 2,188 100
Yorkshire Water River Derwent KEXBY SEWAGE TREATMENT WORKS 131 2,048 99.9
Yorkshire Water River Derwent CASTLEGATE SEWAGE PUMPING STATION 92 1,873 99.8
Yorkshire Water River Derwent CHANDLERS WHARF SPS 46 555 100
Yorkshire Water River Derwent SHEEPFOOT HILL CSO 28 389 100
Yorkshire Water River Derwent MALTON SEWAGE TREATMENT WORKS 25 220 100
Yorkshire Water River Derwent NORTON CHURCH STREET CSO 50 218 100
Yorkshire Water River Derwent HOWSHAM SEWAGE TREATMENT WORKS 25 136 99.7
Yorkshire Water River Derwent CRAMBE SEWAGE TREATMENT WORKS 17 102 100
Yorkshire Water River Derwent STAMFORD BRIDGE SPS 21 72 100
Yorkshire Water River Derwent LASCELLES LANE SPS 29 54 100
Yorkshire Water River Derwent WHEELGATE CSO 48 53 100
Yorkshire Water River Derwent AYTON FOOTBRIDGE SSO 22 40 100
Yorkshire Water River Derwent MALTON HOLMESFIELD SPS 88 16 100
Yorkshire Water River Derwent CARR LANE EAST AYTON CSO 13 13 99.9
Yorkshire Water River Derwent TOWN STREET MALTON CSO 5 3 88.7
Yorkshire Water River Derwent OLD MALTONGATE CSO 2 0 100
Yorkshire Water River Derwent THE BROWS CSO 1 0 99.9
Yorkshire Water River Derwent YORKERSGATE COMBINED SEWER OVERFLOW 0 0 100
Yorkshire Water River Derwent HAWKSWELL 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. 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.