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River Ithon polluted by sewage 352 times in 2025 - lasting 2,732 hours

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Totals for River Ithon in 2025
8 Sites polluted by Dwr Cymru Welsh Water
352 sewage dumps
2,732 h duration
That's 3.79 months. 6.8 times a week, on average
Constituencies along River Ithon
Places along River Ithon

Pollution Summary 2025

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

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water River Ithon LLANDRINDOD WELLS STW PARK LANE 93 1,061 99.9
Dwr Cymru Welsh Water River Ithon CROSSGATES STW 71 750 99.8
Dwr Cymru Welsh Water River Ithon Llanddewi Toll House 65 547 96.2
Dwr Cymru Welsh Water River Ithon CSO OPPOSITE LODORE 65 212 99.9
Dwr Cymru Welsh Water River Ithon PENYBONT P.S. 15 91 99.9
Dwr Cymru Welsh Water River Ithon CSO at RIDGEBOURNE CATCHMENT AREA LLANDRI 26 49 85.2
Dwr Cymru Welsh Water River Ithon CSO at Ithon Road, Llandrindod Wells 16 19 99.9
Dwr Cymru Welsh Water River Ithon Llanyre Wastewater Treatment Works 1 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.