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Aller Brook polluted by sewage 335 times in 2025 - lasting 1,772 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for Aller Brook in 2025
12 Sites polluted by South West Water
335 sewage dumps
1,772 h duration
That's 2.46 months. 6.4 times a week, on average

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
South West Water Aller Brook COMPTON CASTLE CSO 69 658 79
South West Water Aller Brook CLEMENTS FARM PUMPING STATION 35 434 100
South West Water Aller Brook THE OLD ORCHARD CSO 82 360 100
South West Water Aller Brook LOVE LANE COMBINED SEWER OVERFLOW 63 169 99.8
South West Water Aller Brook ST MARYCHURCH ROAD CSO 32 103 100
South West Water Aller Brook TORQUAY ROAD CSO 32 30 97.5
South West Water Aller Brook SANDRINGHAM PARK CSO 7 5 100
South West Water Aller Brook KEYBERRY ROAD NO.18 CSO 6 4 91.2
South West Water Aller Brook SCOTTS BRIDGE PUMPING STATION 4 4 100
South West Water Aller Brook COMPTON AND MARLDON WWTW 1 1 100
South West Water Aller Brook IVY COTTAGE PUMPING STATION 2 0 100
South West Water Aller Brook LOWICKE HOUSE PS 2 0 99.5
South West Water Aller Brook KEYBERRY ROAD NO 2 0 0 91.2
South West Water Aller Brook O/S 11 KINGSTEIGNTON ROAD 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.