Crap Towns / Holyhead / Sewage
How much sewage spills near Holyhead?
Storm overflows within 1 km of Holyhead spilled for 1,676 hours per 10,000 people a year from 2023 to 2025, 6.1 times the typical town's 275. In 2025 it was 2,168, up from 1,394 in 2023.
| Period | Here | Typical town |
|---|---|---|
| 2023 | 1,394 | 315 |
| 2024 | 1,464 | 307 |
| 2025 | 2,168 | 148 |
| Town | Distance | Spill hours per 10,000 people a year |
|---|---|---|
| Caernarfon | 30.9 km | 3,994 |
| Bangor | 34.1 km | 1,906 |
| Holyhead | – | 1,676 |
| Kinmel Bay | 73.9 km | 1,351 |
| Abergele | 69.6 km | 1,049 |
| Colwyn Bay | 59.2 km | 628 |
| Conwy | 53.7 km | 586 |
| Llandudno | 53.4 km | 497 |
| Llangefni | 22.4 km | 490 |
| Prestatyn | 81.3 km | 277 |
| Rhyl | 76.8 km | 86.3 |
| The typical town | – | 275 |