Crap Towns / Merthyr Tydfil / Sewage
How much sewage spills near Merthyr Tydfil?
Storm overflows within 1 km of Merthyr Tydfil spilled for 658 hours per 10,000 people a year from 2023 to 2025, 2.4 times the typical town's 275. In 2025 it was 607, down from 615 in 2023.
| Period | Here | Typical town |
|---|---|---|
| 2023 | 615 | 315 |
| 2024 | 752 | 307 |
| 2025 | 607 | 148 |
| Town | Distance | Spill hours per 10,000 people a year |
|---|---|---|
| Abercynon | 12.1 km | 13,085 |
| Rhondda | 14.0 km | 5,352 |
| Treorchy | 14.0 km | 4,700 |
| Bargod | 12.3 km | 3,875 |
| Aberdare | 6.7 km | 2,252 |
| Tredegar | 9.7 km | 1,841 |
| Treharris | 11.3 km | 1,250 |
| Ebbw Vale | 12.2 km | 904 |
| Treherbert | 14.2 km | 821 |
| Mountain Ash | 7.7 km | 757 |
| Merthyr Tydfil | – | 658 |
| The typical town | – | 275 |