Torfaen was polluted by sewage 2,436 times in 2024
lasting 15,143 hours - that's 1.75 years!
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
Select the constituency from the drop-down
✔ means we have experimental daily data since 2023
Totals for Torfaen in 2024
45 Sites polluted by Dwr Cymru Welsh Water
2,436 sewage dumps
15,143 h duration
That's 1.75 years! On average 6.7 times a day
Change Over Time
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Constituencies near Torfaen
Waterways in Torfaen

Pollution Summary 2024

Here are all the reported sewage overflow totals for Torfaen 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 1 of the total 52 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Dwr Cymru Welsh Water River Lwyd LLANFRECHFA STORM TANKS PONTHIR 171 2,377 99.75
Dwr Cymru Welsh Water River Llwyd CSO at PONTYPOOL CHARLESVILLE TRUNK SEWAR 144 2,197 97.4
Dwr Cymru Welsh Water River Lwyd LOWER NEW INN (PONTYFELIN LANE 141 1,425 99.2
Dwr Cymru Welsh Water River Lwyd CSO at Griffithstown Subsidary Sewer 110 1,016 94.5
Dwr Cymru Welsh Water Cwmbran Brook Via Surface Water Sewer Porthmawr Road CSO, Cwmbran 119 634 97
Dwr Cymru Welsh Water River Lwyd New Road CSO, Pontypool 107 552 97.7
Dwr Cymru Welsh Water Inland Waters TY COCH CSO TY COCH WAY CWMBRAN , 70 529 98.3
Dwr Cymru Welsh Water Cwm Ffrwd VIADUCT ROAD CSO GARNIFFAITH ABERSY 81 514 69
Dwr Cymru Welsh Water River Lwyd Pontnewynydd Mill Rd CSO 108 509 97.9
Dwr Cymru Welsh Water River Lwyd - Source To Conf Dowlais Bk Old Road CSO, Abersychan 90 488 84.3
Dwr Cymru Welsh Water River Lwyd CSO OPPOSITE THE JOB CENTRE IN 84 484 83
Dwr Cymru Welsh Water Surface Water Sewer And Culver To Cwm Bran Brook Belle Vue Road CSO, Old Cwmbran 88 439 94.5
Dwr Cymru Welsh Water River Lwyd Pontypool (Pontymoile) CSO 80 353 98.5
Dwr Cymru Welsh Water Nant Y Milwr Via Surface Water Sewer And An Unnamed Watercourse Rede Road CSO 53 313 99.4
Dwr Cymru Welsh Water Blaen Bran Brook Brookland Terrace Rec Ground CSO 56 313 99.8
Dwr Cymru Welsh Water Culvert Leading To River Lwyd Charles Street CSO 51 292 98.6
Dwr Cymru Welsh Water River Lwyd St Albans School CSO, Pontypool 76 275 89.7
Dwr Cymru Welsh Water River Lwyd Pontypool Freeholdland Rd 73 268 98.7
Dwr Cymru Welsh Water River Lwyd Via Culvert And Unnamed Watercourse Rear of 15 Llwyn Onn CSO Croesyceiliog 51 259 97.7
Dwr Cymru Welsh Water Avon Lwyd Cwmbran Somerset Rd CSO 51 253 98.8
Dwr Cymru Welsh Water River Lwyd CSO at Blaenavon Station Terrace 65 244 95.2
Dwr Cymru Welsh Water Dowlias Brook The Meads CSO, Llantarnum 45 199 99.7
Dwr Cymru Welsh Water River Lwyd Blaenavon Forgeside CSO 25 148 74
Dwr Cymru Welsh Water River Lwyd Chapel Lane CSO 28 131 80.4
Dwr Cymru Welsh Water River Lwyd Abersychan CSO Coed-Yr-Eos Farm 58 115 99.8
Dwr Cymru Welsh Water River Lwyd CSO at Cwmbran Sebastopol Avondale Rd 44 115 99.3
Dwr Cymru Welsh Water River Lwyd Trevethin CSO 52 107 98.9
Dwr Cymru Welsh Water River Lwyd HOSPITAL ROAD CSO ST JOHNS AMBULANCE 60 98 99.8
Dwr Cymru Welsh Water Trosnant Brook Leisure Centre CSO Trosnant Street 29 98 79.6
Dwr Cymru Welsh Water River Lwyd Blaenavon Band Hut MH 57A SWO 2 26 84 47.9
Dwr Cymru Welsh Water River Lwyd RISING SUN BRIDGE CSO 42 60 72.9
Dwr Cymru Welsh Water River Lwyd Hospital Rd CSO, Pontnewynydd 11 43 46.1
Dwr Cymru Welsh Water River Lwyd 103 Beaumaris Drive Cwmbran CSO 10 39 99
Dwr Cymru Welsh Water River Lwyd Convent Garden CSO, Llantarnam 20 37 99.2
Dwr Cymru Welsh Water River Lwyd Coed Farm CSO Cwmavon Blaenavon 23 26 96.8
Dwr Cymru Welsh Water River Llwyd CSO at Pontypool-Coedygric Panteg Road 25 24 98.8
Dwr Cymru Welsh Water River Lwyd Rose Cottage CSO 10 19 78.2
Dwr Cymru Welsh Water River Lwyd Stanley Place CSO, Pontnewydd, Cwmbran 10 15 93.1
Dwr Cymru Welsh Water River Lwyd Snatchwood Rd CSO 22 14 99.2
Dwr Cymru Welsh Water River Lwyd Pontnewynydd Mill Rd O/S No 4 CSO 2 7 99.5
Dwr Cymru Welsh Water River Lwyd 7 Olway Close CSO, Llanyravon 7 5 100
Dwr Cymru Welsh Water Trosnant Brook CSO at Crumlin Rd 2, Pontypool 7 4 2.8
Dwr Cymru Welsh Water River Lwyd PONTNEWYNYDD CSO 9 2 99.7
Dwr Cymru Welsh Water Blaen Bran Brook Llanfrechra Rose Cottage CSO 1 0 5.6
Dwr Cymru Welsh Water River Lwyd CSO at Rosemary lane End of Car Park 1 0 78.8
Dwr Cymru Welsh Water River Lwyd 2 Llangorse Road CSO Llanyravon 0 0 97.7
Dwr Cymru Welsh Water Cwmbran Brook Cwmbran Woodside Road CSO 0 0 99.4
Dwr Cymru Welsh Water Nant-Y-Milwr Coed Eva Mill CSO Coed Eva Cwmbran 0 0 0
Dwr Cymru Welsh Water River Lwyd 3 Olway close CSO Llanyravon 0 0 46.5
Dwr Cymru Welsh Water River Lwyd Pontypool Hanbury Rd/Italian Gardens CSO 0 0 7.1
Dwr Cymru Welsh Water River Lwyd Leigh Rd CSO, Pontypool 0 0 100
Dwr Cymru Welsh Water River Lwyd Pleasant Court CSO, Limekiln Rd, Pontypool 0 0 99.7

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.

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