River Rhyd Hir polluted by sewage 385 times in 2024 - lasting 4,994 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Totals for River Rhyd Hir in 2024
3 Sites polluted by Dwr Cymru Welsh Water
385 sewage dumps
4,994 h duration
That's 6.94 months. On average 1.1 times a day
Constituencies along River Rhyd Hir

Pollution Summary 2024

Here are all the reported sewage overflow totals for River Rhyd Hir 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 %
Dwr Cymru Welsh Water River Rhyd Hir CSO at Llithfaen WwTW 138 2,670 99.3
Dwr Cymru Welsh Water River Rhyd Hir LLANNOR STW (SETTLED STORM) 138 1,351 99.9
Dwr Cymru Welsh Water River Rhyd Hir Settled Storm Overflow at Efailnewydd Wastewater Treatment Works 109 972 99.8

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.