Crap Towns / Treharris / Sewage
How much sewage spills near Treharris?
Storm overflows within 1 km of Treharris spilled for 1,250 hours per 10,000 people a year from 2023 to 2025, 4.5 times the typical town's 275. In 2025 it was 1,106, down from 1,202 in 2023.
| Period | Here | Typical town |
|---|---|---|
| 2023 | 1,202 | 315 |
| 2024 | 1,443 | 307 |
| 2025 | 1,106 | 148 |
| Town | Distance | Spill hours per 10,000 people a year |
|---|---|---|
| Abercynon | 2.1 km | 13,085 |
| Pontllanfraith | 8.0 km | 4,439 |
| Bargod | 5.8 km | 3,875 |
| Porth | 8.8 km | 3,255 |
| Pontypridd | 6.6 km | 2,684 |
| Ystrad Mynach | 5.2 km | 2,595 |
| Blackwood | 7.5 km | 2,585 |
| Oakdale | 10.0 km | 1,300 |
| Treharris | – | 1,250 |
| Abertridwr and Senghenydd | 7.6 km | 888 |
| Mountain Ash | 6.1 km | 757 |
| The typical town | – | 275 |