Ystalyfera

Polluted by sewage 1,014 times in 2024 lasting 9,330 hours - That's 1.08 years!

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Totals for Ystalyfera in 2024

14 Sites polluted by Dwr Cymru Welsh Water

1,014 sewage dumps

9,330 hours duration

That's 1.08 years! On average 2.8 times a day

Change Over Time

Waterways in Ystalyfera

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Ystalyfera 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 locality all the declared CSOs appeared to have monitoring enabled for more than 50% of the year

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	River Twrch	GEORGE IV CSO 23 UPPER CWMTWRCH	126	1,945	99.8
Dwr Cymru Welsh Water	River Tawe	Settled Storm Sewage from Ystradgynlais WwTW	86	1,619	99.8
Dwr Cymru Welsh Water	Right Bank Of River Twrch	CSO on A4068 above Lower Brunorgan Bridge	123	1,404	98
Dwr Cymru Welsh Water	River Tawe	YSTRADGYNLAIS WWTW OFF WIND ROAD	92	1,372	99.4
Dwr Cymru Welsh Water	River Tawe	CSO at Ynysmeudw Warehouse (SOC	95	663	98.7
Dwr Cymru Welsh Water	River Tawe	CSO at O/S 17 Glantawe Row Ystradgynlais	111	522	98.5
Dwr Cymru Welsh Water	River Tawe	Nr Gough Arms MH CSO	93	393	98
Dwr Cymru Welsh Water	River Tawe	CSO Godre'r Graig SOC 20. Godre'r	53	388	99.4
Dwr Cymru Welsh Water	Nant Llynfell	SWO.M'HOLE 154A GEORGE IV PH UPPER CSO	37	255	98.9
Dwr Cymru Welsh Water	River Twrch	CSO 21 BRIDGE STREET	57	243	99.8
Dwr Cymru Welsh Water	River Tawe	CSO at MH 92 nr Claypon Bridge, Ystradgynlais	28	189	98.7
Dwr Cymru Welsh Water	River Tawe	CSO 12 B4599 Road Bridge	54	169	68
Dwr Cymru Welsh Water	River Tawe	Office Row Car Park Ystalyfera CSO	40	88	99.8
Dwr Cymru Welsh Water	River Tawe	CSO at Mason Arms, Ystradgynlais	19	77	97.8

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. 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.

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Analysing sewage pollution by the Water Industry

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