Casnewydd

Polluted by sewage 2,361 times in 2024 lasting 16,917 hours - That's 1.96 years!

Monitoring was disabled in some locations, so could be more

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Totals for Casnewydd in 2024

38 Sites polluted by Dwr Cymru Welsh Water

2,361 sewage dumps

16,917 hours duration

That's 1.96 years! On average 6.5 times a day

Change Over Time

Waterways in Casnewydd

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Pollution Summary 2024

Here are all the reported sewage overflow totals for Casnewydd 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 2 of the total 42 CSO locations had reporting enabled for less than half the year. Of these 1 had zero reporting.

Company	Waterway	Site	Sewage Dumps	Duration (Hours)	Reporting %
Dwr Cymru Welsh Water	Severn Estuary	WESTERN VALLEY TRUNK SEWER CSO	202	4,059	92.3
Dwr Cymru Welsh Water	Ebbw Estuary	Maesglas SPS	251	2,267	99.8
Dwr Cymru Welsh Water	Malpas Brook	Malpas Road CSO	174	1,816	99.8
Dwr Cymru Welsh Water	Ebbw Fawr	Rhiwderin No 6258 in Field CSO	136	1,520	97.9
Dwr Cymru Welsh Water	Ebbw Fawr	Tredegar Park Golf Club CSO	123	1,015	95.4
Dwr Cymru Welsh Water	Ebbw River	CSO 47 ALCAN WORKS ROGERSTONE	56	624	94.8
Dwr Cymru Welsh Water	Julians Pill	NASH STW WEST NASH ROAD NEWPORT	47	604	99.9
Dwr Cymru Welsh Water	River Usk	CSO at Christchurch WWTW	118	543	96
Dwr Cymru Welsh Water	River Usk Estuary	SPS At Corporation Road Liswerry	133	537	99.7
Dwr Cymru Welsh Water	Julian'S Pill	Settled Storm Tank at Nash Waste Water Treatment Works	46	534	99.8
Dwr Cymru Welsh Water	Usk Estuary	Pill South B Pumping Station	91	420	99.8
Dwr Cymru Welsh Water	Malpas Brook	Westfield Way/Huxley Green CSO	82	382	99.8
Dwr Cymru Welsh Water	River Usk Estuary	CAERLEON WWTW (STW) CSO CAERLEON	58	351	55.9
Dwr Cymru Welsh Water	Pillmawr Creek, River Usk	Rowan Way SPS	62	343	99.8
Dwr Cymru Welsh Water	River Usk Estuary	Pill North PS North Octopus Rdbt	97	292	99.8
Dwr Cymru Welsh Water	River Usk	St Cadocs Hospital CSO	78	276	95.7
Dwr Cymru Welsh Water	Ebbw River	Car Park of Old Globe CSO, St John Crescent	76	267	98.6
Dwr Cymru Welsh Water	Pillmawr Creek	R/O 228 Pilton Vale CSO, Newport	44	222	96.8
Dwr Cymru Welsh Water	Malpas Brook	Bettws Lane SPS Newport	21	99	99.7
Dwr Cymru Welsh Water	Ebbw River	15 Tregwilym Close CSO	53	99	98.6
Dwr Cymru Welsh Water	River Usk Estuary	CSO ADJ SHAFTESBURY PS NEWPORT	15	96	99.8
Dwr Cymru Welsh Water	River Usk	A Combined Sewer Overflow St Julian	50	96	99.8
Dwr Cymru Welsh Water	Pillmawr Creek	11 Robertson Way CSO, Newport	46	80	98.7
Dwr Cymru Welsh Water	Pillmawr Creek	Woodlands (Horrocks Close) SPS	26	78	99.8
Dwr Cymru Welsh Water	Lliswerry Pill Reen	Hartridge Farm SPS	13	67	96.9
Dwr Cymru Welsh Water	Liswerry Pill Reen	SOMERTON ROAD BALMORAL ROAD CSO NEW	49	60	99.8
Dwr Cymru Welsh Water	Pillmawr Reen	CSO AT NEWPORT PILLMAWR RD RELIEF SEW	35	29	99.6
Dwr Cymru Welsh Water	Crindau Pill	Newport No33 Brynglas Rd CSO	36	24	98.5
Dwr Cymru Welsh Water	River Ebbw	CSO 52 TT Electronics Tregwilym Ind	4	24	99.8
Dwr Cymru Welsh Water	Pillmawr Creek	27 Wavell Drive CSO	10	21	23.1
Dwr Cymru Welsh Water	Liswerry Pill	Chepstsow Road CSO	22	14	99.8
Dwr Cymru Welsh Water	Malpas Brook	Barrack Hill CSO, Newport	30	13	99.6
Dwr Cymru Welsh Water	Ebbw Fawr	Thornhill Gardens CSO, Rogerstone	28	11	99.4
Dwr Cymru Welsh Water	Liswerry Pill Reen	Liswerry Rd/Aberthaw Rd Newport ,	22	8	99.3
Dwr Cymru Welsh Water	Unnamed Watercour	CSO at Howe Circle	10	5	98.4
Dwr Cymru Welsh Water	Stream To Usk	Lodge Rd CSO	9	2	99.1
Dwr Cymru Welsh Water	Liswerry Pill Reen	CSO at Newport Chepstow Road Near No589	6	2	99.7
Dwr Cymru Welsh Water	River Ebbw Fawr	CSO at Bassaleg Forge Lane near Nos 5 & 6	2	0	100
Dwr Cymru Welsh Water	River Usk Estuary	CSO at Pill South A	0	0	57
Dwr Cymru Welsh Water	River Usk	Caerleon Town Sewage Pumping Station	0	0	99.7
Dwr Cymru Welsh Water	Unnamed Watercourse	Treberth Estate CSO	0	0	100
Dwr Cymru Welsh Water	River Ebbw	Forge Lane near Vicarage CSO, Bassaleg	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. 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.

Analysing sewage pollution by the Water Industry

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Casnewydd Polluted by sewage 2,361 times in 2024 lasting 16,917 hours - That's 1.96 years! Monitoring was disabled in some locations, so could be more

Casnewydd