Top of the Poops | Waterway

Totals for River Sirhowy in 2023

17 Sites polluted by Dwr Cymru Welsh Water

970 sewage dumps
3,480 h duration

That's 4.83 months. On average 2.7 times a day

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Constituencies along River Sirhowy

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Sirhowy 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 Sirhowy	CSO 32075 Opposite Garibaldi Bridge	109	800	99.9
Dwr Cymru Welsh Water	River Sirhowy	Springfield Est CSO, Pontllanfraith	119	574	97.9
Dwr Cymru Welsh Water	River Sirhowy	CSO 42 92 Tredegar St Cross Keys	57	560	100
Dwr Cymru Welsh Water	River Sirhowy	Bottom of Nine Mile Point Colliery CSO	49	324	95.7
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, South of Pochin Crescent	77	226	96.9
Dwr Cymru Welsh Water	River Sirhowy	CSO OPP 1 DUKESTOWN ROAD TREDEGAR	67	191	100
Dwr Cymru Welsh Water	River Sirhowy	Tredegar Park Place CSO	105	154	99.2
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, Edward Terrace Nr River Bridge	71	146	99.2
Dwr Cymru Welsh Water	River Sirhowy	CSO Opposite White Lion Cottages	57	127	99.3
Dwr Cymru Welsh Water	River Sirhowy	Old Tram Rd CSO, Pontllanfraith	59	113	99.7
Dwr Cymru Welsh Water	River Sirhowy	A CSO AT REAR OF CHURCH SQ TREDEGAR	54	93	100
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, Railway View, opposite No13	53	50	99.7
Dwr Cymru Welsh Water	River Sirhowy	CSO 16 Woodfield Row Blackwood	22	44	100
Dwr Cymru Welsh Water	River Sirhowy	WVTS-Tredegar (MH G57) CSO	18	39	99.6
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, Brompton SSO 1 MH No GN86A	25	21	99.9
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, Vale Terrace R/O 101 U/S Garage	22	11	99.4
Dwr Cymru Welsh Water	River Sirhowy	Islwyn Rd CSO, Crosskeys	6	1	94.9
Dwr Cymru Welsh Water	River Sirhowy	CSO at St James Close Maes-Y-Coed,Tredegar	0	0	41.5
Dwr Cymru Welsh Water	River Sirhowy	CSO at Tredegar, Vale Terrace R/O 123	0	0	72.2
Dwr Cymru Welsh Water	River Sirhowy	Railway Cottages CSO, Cwmfelinfach	0	0	100
Dwr Cymru Welsh Water	River Sirhowy	CSO at Hollybush - Ancient Druid	0	0	0
Dwr Cymru Welsh Water	River Sirhowy	Blackwood 100 Steps CSO	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.

Analysing sewage pollution by the Water Industry

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River Sirhowy polluted by sewage 970 times in 2023 - lasting 3,480 hours

17 Sites polluted by Dwr Cymru Welsh Water

Pollution Summary 2023

Data Sources & Accuracy

Media Queries

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