Crap Towns / Welwyn Garden City / Sewage
How much sewage spills near Welwyn Garden City?
Storm overflows within 1 km of Welwyn Garden City spilled for 23.3 hours per 10,000 people a year from 2023 to 2025, 92% lower than the typical town's 275. In 2025 it was 11.3, down from 15.3 in 2023.
| Period | Here | Typical town |
|---|---|---|
| 2023 | 15.3 | 315 |
| 2024 | 43.4 | 307 |
| 2025 | 11.3 | 148 |
| Town | Distance | Spill hours per 10,000 people a year |
|---|---|---|
| Harpenden | 10.8 km | 49.1 |
| Hoddesdon | 13.6 km | 27.2 |
| Welwyn Garden City | – | 23.3 |
| Potters Bar | 11.6 km | 9.8 |
| Hatfield | 5.0 km | 0.0 |
| Hertford | 7.5 km | 0.0 |
| London Colney | 11.7 km | 0.0 |
| Redbourn | 14.2 km | 0.0 |
| St Albans | 10.3 km | 0.0 |
| Stevenage | 11.9 km | 0.0 |
| Ware | 11.2 km | 0.0 |
| The typical town | – | 275 |