Crap Towns / Mountain Ash / Sewage
How much sewage spills near Mountain Ash?
Storm overflows within 1 km of Mountain Ash spilled for 757 hours per 10,000 people a year from 2023 to 2025, 2.8 times the typical town's 275. In 2025 it was 834, up from 715 in 2023.
| Period | Here | Typical town |
|---|---|---|
| 2023 | 715 | 315 |
| 2024 | 722 | 307 |
| 2025 | 834 | 148 |
| Town | Distance | Spill hours per 10,000 people a year |
|---|---|---|
| Abercynon | 5.7 km | 13,085 |
| Rhondda | 7.5 km | 5,352 |
| Treorchy | 9.0 km | 4,700 |
| Bargod | 10.6 km | 3,875 |
| Porth | 8.1 km | 3,255 |
| Pontypridd | 9.6 km | 2,684 |
| Tonypandy | 8.4 km | 2,447 |
| Aberdare | 4.7 km | 2,252 |
| Treharris | 6.1 km | 1,250 |
| Mountain Ash | – | 757 |
| Merthyr Tydfil | 7.7 km | 658 |
| The typical town | – | 275 |