March for Clean Water Logo

River Rhymney polluted by sewage 1,800 times in 2023 - lasting 12,410 hours

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Rhymney in 2023
32 Sites polluted by Dwr Cymru Welsh Water
1,800 sewage dumps
12,410 h duration
That's 1.44 years! On average 4.9 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Rhymney 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 Rhymney A CSO 700M SE OF PLAS MACHEN COTAGE 143 2,179 100
Dwr Cymru Welsh Water River Rhymney Ball Lane CSO 155 2,149 100
Dwr Cymru Welsh Water River Rhymney Storm Water Overflow at Began, St Mellons 166 1,393 94.6
Dwr Cymru Welsh Water River Rhymney CWM LAS CSO 98 1,107 99
Dwr Cymru Welsh Water River Rhymney CSO at Glan-yr-Afon Nursing Home No2, Pengam 121 1,080 98.8
Dwr Cymru Welsh Water River Rhymney Tredomen AFC CSO, Ystrad Mynach 95 1,045 100
Dwr Cymru Welsh Water River Rhymney Abertysswg Rugby Playing Field CSO 110 779 98.5
Dwr Cymru Welsh Water River Rhymney CSO Nr Bethania Cottages 85 606 99.4
Dwr Cymru Welsh Water River Rhymney CSO NEAR RHYMNEY STATION 87 378 98.7
Dwr Cymru Welsh Water River Rhymney CSO at Glan-yr-Afon Nursing Home 1 101 245 99.3
Dwr Cymru Welsh Water River Rhymney Tir-y-Berth behind William St 67 164 99.3
Dwr Cymru Welsh Water River Rhymney Forge Engineering CSO, Bedwas 48 154 96.8
Dwr Cymru Welsh Water River Rhymney TRELYN LANE CSO FLEUR-DE-LIS 17 140 9.9
Dwr Cymru Welsh Water River Rhymney CSO At New Tredegar Adj Rhosyn Gwyn 18 127 53.5
Dwr Cymru Welsh Water River Rhymney CSO AT REAR OF MEMORIAL HOSPITAL 47 120 99.2
Dwr Cymru Welsh Water River Rhymney CSO BARGOED 62 105 91.7
Dwr Cymru Welsh Water River Rhymney CSO Opposite Bowen Ind Estate, Aberbargoed 35 103 97
Dwr Cymru Welsh Water River Rhymney Rhymney Carno St Bute House CSO 50 97 97.3
Dwr Cymru Welsh Water River Rhymney A CSO AT YSTRAD MYNACH BRIDGE 74 96 98.5
Dwr Cymru Welsh Water River Rhymney A CSO AT PONTLOTTYN 16 93 99.8
Dwr Cymru Welsh Water River Rhymney CSO at Pengham High St near Bridge 42 73 98.3
Dwr Cymru Welsh Water River Rhymney Newport Rd CSO, Trethomas 20 39 99.2
Dwr Cymru Welsh Water River Rhymney CSO at rear of Margaret St., Gilfach 32 36 95.1
Dwr Cymru Welsh Water River Rhymney CSO ASSET NO 90411 PENGAM 35 21 99.7
Dwr Cymru Welsh Water River Rhymney High St CSO, Glan-y-Nant 13 19 99.9
Dwr Cymru Welsh Water River Rhymney Forge Rd CSO, Machen 19 16 99.7
Dwr Cymru Welsh Water River Rhymney Fishponds Road No22 CSO, Llanrumey 11 16 99.9
Dwr Cymru Welsh Water River Rhymney Asset No. 32207 Celtic Steel Factory CSO 24 13 99.7
Dwr Cymru Welsh Water River Rhymney Rumney Hill CSO 4 5 99.9
Dwr Cymru Welsh Water River Rhymney A CSO AT BIRTHDIR NEAR STATION 3 0 100
Dwr Cymru Welsh Water River Rhymney Rear of Williams St CSO 1 0 100
Dwr Cymru Welsh Water River Rhymney CSO at Trelyn Park 1 0 99.9
Dwr Cymru Welsh Water River Rhymney Aberbargoed CSO 0 0 100
Dwr Cymru Welsh Water River Rhymney OLD PRINCE ALBERT HOTEL HENGOED 0 0 100
Dwr Cymru Welsh Water River Rhymney BEDWAS SUNNYBANK FARM CSO 0 0 0
Dwr Cymru Welsh Water River Rhymney COMBINED SEWER OVERFLOW SERVING 0 0 100
Dwr Cymru Welsh Water River Rhymney CSO at Bridge Road, St Mellons, Cardiff 0 0 46

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.