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Solent polluted by sewage 847 times in 2025 - lasting 4,540 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water Solent PENNINGTON WWTW 67 928 100
Southern Water Solent COWES (SPRINGHILL) HEADWORKS WPS 60 615 100
Southern Water Solent HENDERSON ROAD EASTNEY WPS 86 499 97.5
Southern Water Solent RYDE (APPLEY PARK) HEADWORKS WPS 43 360 100
Southern Water Solent BARGE LANE WOOTTON BRIDGE 5 CSO 46 358 46.2
Southern Water Solent PEEL COMMON WWTW 37 282 99.8
Southern Water Solent WOODVALE TRANSFER SST 70 201 99.9
Southern Water Solent NORTON HEADWORKS WPS 59 188 99.9
Southern Water Solent NORTON WPS CSO 14 169 99.9
Southern Water Solent LANE END TRANSFER PS 27 162 100
Southern Water Solent FISHBOURNE WEIR CSO 28 144 77
Southern Water Solent GURNARD PS 22 130 99.9
Southern Water Solent SEAGROVE WPS CSO 18 104 99.9
Southern Water Solent ST MARY ROAD COWES WWPS CSO 51 97 100
Southern Water Solent EGYPT POINT PS 47 78 99.9
Southern Water Solent PIER ROAD PS 43 58 50.4
Southern Water Solent PRINCE CONSORT WPS 32 41 100
Southern Water Solent YARMOUTH PS 12 27 99.9
Southern Water Solent CASTLE STREET COWES CSO 40 21 99.9
Southern Water Solent BEMBRIDGE POINT SO & PS 9 20 100
Southern Water Solent TURVILLS FIELD PS/THE PIER PS 6 19 100
Southern Water Solent WESTWOOD ROAD CSO 11 12 63
Southern Water Solent QUEENS ROAD LEE-ON-THE-SOLENT CEO 3 3 99.5
Southern Water Solent SALTERNS ROAD STUBBINGTON CSO 1 2 99.7
Southern Water Solent AUGUSTA ROAD CSO 3 1 99.8
Southern Water Solent COLWELL CHINE CSO 2 1 99.6
Southern Water Solent TERMINUS ROAD COWES CSO 5 1 100
Southern Water Solent LAKESIDE LEE-ON-SOLENT CEO 1 0 98.5
Southern Water Solent SEAVIEW WPS 2 0 99.9
Southern Water Solent SALTERNS WPS CSO 1 0 100
Southern Water Solent SPRINGVALE WPS CSO 1 0 99.9
Southern Water Solent SPENCER ROAD RYDE CSO 0 0 100
Southern Water Solent ST HELENS DUVER PS 0 0 99.9

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.