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Polluted by sewage 736 times in 2024 lasting 4,197 hours
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Donate NowHere are all the reported sewage overflow totals for Ystrad Mynach 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 all the declared CSOs appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | River Rhymney | CWM LAS CSO | 115 | 1,149 | 98.2 |
| Dwr Cymru Welsh Water | River Rhymney | CSO at Glan-yr-Afon Nursing Home No2, Pengam | 119 | 1,138 | 87.4 |
| Dwr Cymru Welsh Water | River Rhymney | Tredomen AFC CSO, Ystrad Mynach | 95 | 824 | 99.8 |
| Dwr Cymru Welsh Water | River Rhymney | CSO at Glan-yr-Afon Nursing Home 1 | 93 | 320 | 99 |
| Dwr Cymru Welsh Water | River Rhymney | Tir-y-Berth behind William St | 67 | 197 | 98.5 |
| Dwr Cymru Welsh Water | River Rymney | MAESYCWMMER A472 JUNCTION CSO | 55 | 145 | 73.7 |
| Dwr Cymru Welsh Water | River Rhymney | A CSO AT YSTRAD MYNACH BRIDGE | 82 | 137 | 97.3 |
| Dwr Cymru Welsh Water | River Rhymney | TRELYN LANE CSO FLEUR-DE-LIS | 33 | 125 | 86.8 |
| Dwr Cymru Welsh Water | Nant Cylla | Oaks End Close CSO | 46 | 124 | 90 |
| Dwr Cymru Welsh Water | River Rhymney | Asset No. 32207 Celtic Steel Factory CSO | 22 | 29 | 89 |
| Dwr Cymru Welsh Water | Rhymney R - Nant Bargod Rhymni To Conf Nant Cyl | Fleur-de-Lys - Rear of Glanddu CSO | 5 | 4 | 98.9 |
| Dwr Cymru Welsh Water | River Rhymney | CSO at Trelyn Park | 2 | 1 | 99.3 |
| Dwr Cymru Welsh Water | Rhymney River | Old Prince Albert Hotel CSO, Hengoed | 2 | 0 | 99.7 |
| Dwr Cymru Welsh Water | Nant Caeach | Combined Sewer Overflow at Rear of 33 Church Street | 0 | 0 | 99.4 |
| Dwr Cymru Welsh Water | River Rhymney | OLD PRINCE ALBERT HOTEL HENGOED | 0 | 0 | 99.7 |
| Dwr Cymru Welsh Water | River Rhymney | Rear of Williams St CSO | 0 | 0 | 99.7 |
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.
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Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org