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River Dulais polluted by sewage 638 times in 2023 - lasting 9,569 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Dulais in 2023
7 Sites polluted by Dwr Cymru Welsh Water
638 sewage dumps
9,569 h duration
That's 1.11 years! On average 1.7 times a day
Constituencies along River Dulais

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Dulais 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 %
Dwr Cymru Welsh Water River Dulais CRYNANT STW CRYNANT NEATH 148 3,204 100
Dwr Cymru Welsh Water River Dulais YS.MARCH CRYNANT SWO 2C 198 2,909 94.5
Dwr Cymru Welsh Water River Dulais CSO at Crynant STW Crynant Neath 79 1,672 100
Dwr Cymru Welsh Water River Dulais Nant-y-Cafan CSO, Dulais Valley 136 1,540 99.9
Dwr Cymru Welsh Water River Dulais BRYNDULAIS CSO 48 137 100
Dwr Cymru Welsh Water River Dulais SANDY SPS (A484 o/s gate to Sandy PS) 22 76 98
Dwr Cymru Welsh Water River Dulais CSO Outside Visitor Centre, Aberdulais 7 28 99.9
Dwr Cymru Welsh Water River Dulais YARD BRIDGE CSO SANDY RD PWLL LLAN 0 0 32
Dwr Cymru Welsh Water River Dulais BRYNDULAIS (SWO 2A) 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.