Here are all the reported sewage overflow totals for Merthyr Tydfil and Rhymney in 2022. Sometimes sewage can be being dumped for months at a time.
Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
---|---|---|---|---|---|
Dwr Cymru Welsh Water | Taf Fechan | PONTSTICILL WWTW | 96 | 1,994 | 100 |
Dwr Cymru Welsh Water | River Taff | Gellideg Tai Mawr Rd CSO, Merthyr Tydfil | 79 | 777 | 99.3 |
Dwr Cymru Welsh Water | River Rhymney | Abertysswg Rugby Playing Field CSO | 89 | 609 | 99 |
Dwr Cymru Welsh Water | Taff Bargoed | CSO at Bedlinog- Bowling Green | 83 | 585 | 99.1 |
Dwr Cymru Welsh Water | Morlais Brook | A CSO AT WATERLOO HOUSE MERTHYR | 110 | 582 | 97.3 |
Dwr Cymru Welsh Water | Nant Bargoed | Deri, Darran Valley CSO | 61 | 500 | 100 |
Dwr Cymru Welsh Water | River Rhymney | CSO Nr Bethania Cottages | 82 | 474 | 99.4 |
Dwr Cymru Welsh Water | Pandy Brook | TRELEWIS CSO - REAR OF GLYNBARGOED | 114 | 428 | 97.2 |
Dwr Cymru Welsh Water | Morlais Brook | CSO at The Bont, Merthyr Tydfil | 91 | 316 | 96.6 |
Dwr Cymru Welsh Water | River Rhymney | CSO NEAR RHYMNEY STATION | 75 | 294 | 99.1 |
Dwr Cymru Welsh Water | River Taff | A CSO AT JACKSONS BRIDGE | 89 | 292 | 99.4 |
Dwr Cymru Welsh Water | River Rhymney | CSO At New Tredegar Adj Rhosyn Gwyn | 32 | 272 | 100 |
Dwr Cymru Welsh Water | Pentrebach Brook | Dixs Field CSO, Pentrebach, Merthyr | 69 | 190 | 95.2 |
Dwr Cymru Welsh Water | River Taff | CSO COLLEGE CAR PK MERTHYR TYDFIL | 46 | 142 | 100 |
Dwr Cymru Welsh Water | River Rhymney | Rhymney Carno St Bute House CSO | 64 | 130 | 93.3 |
Dwr Cymru Welsh Water | Nant Morlais | Rocky Rd CSO Merthyr Tydfil | 62 | 109 | 99.4 |
Dwr Cymru Welsh Water | River Rhymney | CSO AT REAR OF MEMORIAL HOSPITAL | 43 | 109 | 98.7 |
Dwr Cymru Welsh Water | Morlais Brook | CSO TREVITHICK MONUMENT MERTHYR | 64 | 107 | 96.1 |
Dwr Cymru Welsh Water | Rhymney R - Source To Conf Nant Bargod Rhymni | Pontlottyn Newydd Farm CSO | 41 | 99 | 99.8 |
Dwr Cymru Welsh Water | Taff | CSO PONT RHUN MERTHYR TYDFIL | 36 | 96 | 100 |
Dwr Cymru Welsh Water | River Taff | Quakers Yard CSO, Greenfield Victoria Bridge | 22 | 61 | 80.2 |
Dwr Cymru Welsh Water | Rhymney R - Source To Conf Nant Bargod Rhymni | Pontlottyn Recreation Ground CSO | 40 | 57 | 99.6 |
Dwr Cymru Welsh Water | River Taff | Merthyr Tydfil Georgetown Lines Bridge CSO | 50 | 57 | 99.8 |
Dwr Cymru Welsh Water | River Rhymney | A CSO AT PONTLOTTYN | 23 | 53 | 96.1 |
Dwr Cymru Welsh Water | River Taff | Quakers Yard CSO, Fiddlers Elbow St, Cynon | 15 | 34 | 16.5 |
Dwr Cymru Welsh Water | River Taff | CSO Avenue De Clichy, Merthyr | 25 | 19 | 100 |
Dwr Cymru Welsh Water | Taf Fechan | High St CSO, Cefn Coed | 37 | 18 | 99.8 |
Dwr Cymru Welsh Water | Goitre Brook | Goitre Lane CSO | 17 | 7 | 99.5 |
Dwr Cymru Welsh Water | Morlais Brook | Brewers Arms CSO, Balaclava Rd, Dowlais | 18 | 5 | 100 |
Dwr Cymru Welsh Water | River Taff | Troedyrhiw, Yew Street CSO | 7 | 2 | 99.6 |
Dwr Cymru Welsh Water | River Taff | 3rd Trunk CSO South of Glan Yr Afon | 6 | 1 | 100 |
Dwr Cymru Welsh Water | River Taff | Phyllis Street CSO, Troedyrhiw | 3 | 0 | 100 |
Dwr Cymru Welsh Water | River Rhymney | A CSO AT BIRTHDIR NEAR STATION | 3 | 0 | 100 |
Dwr Cymru Welsh Water | River Taff | TROEDYRHIW PS | 3 | 0 | 98.5 |
Dwr Cymru Welsh Water | Un Leading To Nant Morlais | Dowlais Market St & High St Junction | 2 | 0 | 99.7 |
Dwr Cymru Welsh Water | Rhymney River | New Tredegar Birch Grove | 1 | 0 | 41.8 |
Dwr Cymru Welsh Water | River Taff | TRUNK CSO 2A OFF ABERFAN ROAD | 0 | 0 | 15.8 |
Dwr Cymru Welsh Water | Bargoed Taf | CSO at QUAKERS YARD - NEAR PUBLIC HOU | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Morlais Brook | Balaclava Rd CSO, Dowlais | 0 | 0 | 100 |
Dwr Cymru Welsh Water | Morlais Brook | CSO AT DOWLAIS BALACLAVA ROAD | 0 | 0 | 97.2 |
Dwr Cymru Welsh Water | River Taff | CSO WILLOW GAS WORKS MERTHYR TYDFIL | 0 | 0 | 0 |
EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales
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.
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