River Derwent polluted by sewage 966 times in 2023 - lasting 8,807 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Derwent in 2023
13 Sites polluted by United Utilities
966 sewage dumps
8,807 h duration
That's 1.02 years! On average 2.6 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Derwent 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 %
United Utilities River Derwent COCKERMOUTH WWTW 172 2,939 99.7
United Utilities River Derwent GREAT BROUGHTON WWTW 281 2,024 100
United Utilities River Derwent FITZ BRIDGE (LOW ROAD) CSO 102 1,212 77.9
United Utilities River Derwent KESWICK STW 78 1,066 99.9
United Utilities River Derwent GRANGE BRIDGE PS GNGBO ALL0062 64 607 100
United Utilities River Derwent GREYSOUTHEN WWTW 98 508 100
United Utilities River Derwent BELLE VUE /COCKERMOUTH PS 30 136 99.6
United Utilities River Derwent NORTHSIDE CSO 021QB 61 133 96.3
United Utilities River Derwent CAMERTON WW PUMPING STATION 15 67 100
United Utilities River Derwent ROSTHWAITE WWTW (ROSTH) 22 56 99.9
United Utilities River Derwent THE BURROUGHS CSO 022UQ 38 53 100
United Utilities River Derwent PAPCASTLE PUMPING STATION (ALL0139) 4 0 100
United Utilities River Derwent THICK RIGGS CSO (022UY) 1 0 100
United Utilities River Derwent CAMERTON WWTW CAMER 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.