Rhondda and Ogmore

Polluted by sewage 5,214 times in 2024 lasting 34,158 hours - That's 3.95 years!

Monitoring was disabled in some locations, so could be more

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Constituency

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✔ means we have experimental daily data since 2023

Totals for Rhondda and Ogmore in 2024

89 Sites polluted by Dwr Cymru Welsh Water

5,214 sewage dumps

34,158 hours duration

That's 3.95 years! On average 14.3 times a day

Change Over Time

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Constituencies near Rhondda and Ogmore

Waterways in Rhondda and Ogmore

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Rhondda and Ogmore in 2024. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 8 of the total 100 CSO locations had reporting enabled for less than half the year. Of these 2 had zero reporting.

Search:

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Ogwr Fawr	CSO BELOW CEMETERY RD OGMORE VALE	190	2,532	97.8
Dwr Cymru Welsh Water	Ogwr Fach	Blackmill CSO & Storage Tanks Br'Nd	130	2,528	99.8
Dwr Cymru Welsh Water	Rhondda River Fawr	REGENT ST CSO TREORCHY RHONDDA	184	2,216	99.8
Dwr Cymru Welsh Water	Ogwr Fach	DIMBATH AVE BLACKMILL BRIDGEND CSO	145	1,801	99.8
Dwr Cymru Welsh Water	Nant-Y-Ci, The Ogwr Fawr	TY YR AFON CSO TY YR AFON PANTARWEL	153	1,769	99.8
Dwr Cymru Welsh Water	River Garw	BETTWS ROAD CSO LLANGEINOR	101	1,509	69.6
Dwr Cymru Welsh Water	River Garw	STATION ROW CSO PONTYRHYL BRIDGEND	134	1,409	90.1
Dwr Cymru Welsh Water	River Ely	ELY VALLEY ROAD CSO,	125	1,186	98.1
Dwr Cymru Welsh Water	River Garw	Fenton Place CSO Pont Y Cymer	157	1,169	99.8
Dwr Cymru Welsh Water	Ogwr Fawr	Nant Y Moel Junior School CSO	146	1,111	99.8

Showing 1 to 10 of 100 entries

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.

Analysing sewage pollution by the Water Industry

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Rhondda and Ogmore Polluted by sewage 5,214 times in 2024 lasting 34,158 hours - That's 3.95 years! Monitoring was disabled in some locations, so could be more

Rhondda and Ogmore