River Itchen polluted by sewage 281 times in 2023 - lasting 2,704 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Itchen in 2023
5 Sites polluted by Severn Trent Water
281 sewage dumps
2,704 h duration
That's 3.76 months. 5.4 times a week, on average
Constituencies along River Itchen

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Itchen 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 %
Severn Trent Water River Itchen ITCHEN BANK SEWAGE TREATMENT WORKS 107 1,239 99.8
Severn Trent Water River Itchen FENNY COMPTON STW 140 1,224 80.05
Severn Trent Water River Itchen LONG ITCHINGTON SPS 13 138 100
Severn Trent Water River Itchen BASCOTE SEWAGE TREATMENT WORKS 14 69 95.9
Severn Trent Water River Itchen HABURY SEWAGE PMP.STN - STORM 7 32 99.9
Severn Trent Water River Itchen WORMLEIGHTON STW 0 0 0

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.