Top of the Poops | Waterway

Totals for River Usk in 2023

29 Sites polluted by Dwr Cymru Welsh Water

1,864 sewage dumps
15,439 h duration

That's 1.79 years! On average 5.1 times a day

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Constituencies along River Usk

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Usk 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 Usk	Llangybi STW Llangybi Usk Settled Storm	234	2,097	100
Dwr Cymru Welsh Water	River Usk	GOYTRE SEWAGE TREATMENT WORKS NANT Setteled Storm	122	1,983	96
Dwr Cymru Welsh Water	River Usk	Sennybridge Wastewater Treatment Works Storm Sewage Overflow	151	1,777	100
Dwr Cymru Welsh Water	River Usk	Settled Storm Sewage from Brecon Wastewater Treatment Works	87	1,745	100
Dwr Cymru Welsh Water	River Usk	Usk STW Settled Storm	136	1,555	100
Dwr Cymru Welsh Water	River Usk	CSO at BWLCH SOUTH WwTW	129	1,086	99.7
Dwr Cymru Welsh Water	River Usk	Settled Storm Sewage Tanks at Pandy WwTW	62	884	100
Dwr Cymru Welsh Water	River Usk	CSO at Christchurch WWTW	131	603	99.7
Dwr Cymru Welsh Water	River Usk	Settled Storm Sewage from Llanfoist Wastewater Treatment Works	60	527	100
Dwr Cymru Welsh Water	River Usk	BRECON STW BRECON WWTW BRECON POWYS	25	489	100
Dwr Cymru Welsh Water	River Usk	Crickhowell Settled Storm at STW	85	463	100
Dwr Cymru Welsh Water	River Usk	Brecon Showfields CSO Brecon Powys	56	433	99.9
Dwr Cymru Welsh Water	River Usk	Usk Road PS Usk Road Caerleon	42	385	100
Dwr Cymru Welsh Water	River Usk	LLANFOIST WASTEWATER TREATMENT WORKS ME	21	257	100
Dwr Cymru Welsh Water	River Usk	St Cadocs Hospital CSO	79	229	97.1
Dwr Cymru Welsh Water	River Usk	SPS at Brecon - Watton 10 Metres South Of	84	179	100
Dwr Cymru Welsh Water	River Usk	USK STW GRAIG OLWAY FARM LLANGVIEW	11	156	100
Dwr Cymru Welsh Water	River Usk	Legar CSO	75	153	100
Dwr Cymru Welsh Water	River Usk	GARN PS CRICKHOWELL	47	108	99.8
Dwr Cymru Welsh Water	River Usk	Mill Street Screens CSO Abergaven	56	95	100
Dwr Cymru Welsh Water	River Usk	Llangynidr (Coed-yr-Ynys) SPS	38	82	100
Dwr Cymru Welsh Water	River Usk	A Combined Sewer Overflow St Julian	49	47	100
Dwr Cymru Welsh Water	River Usk	Caerleon Town Sewage Pumping Station	39	38	100
Dwr Cymru Welsh Water	River Usk	BRECON SEWERAGE SYSTEM	10	20	17
Dwr Cymru Welsh Water	River Usk	CRICKHOWELL CSO	13	18	99.9
Dwr Cymru Welsh Water	River Usk	CRICKHOWELL - BRIDGE END CAR P	4	12	99.8
Dwr Cymru Welsh Water	River Usk	Crickhowell - Bullpit Meadow S CSO	10	3	100
Dwr Cymru Welsh Water	River Usk	Brynawel Estate, Trecastle CSO	7	1	100
Dwr Cymru Welsh Water	River Usk	Bridge St CSO	1	0	7.5

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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River Usk polluted by sewage 1,864 times in 2023 - lasting 15,439 hours

29 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Data Sources & Accuracy

Media Queries

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