Map of St Columb Major (St. Columb, Cornwall) postcodes and their flood risks. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a St Columb Major flood map. In the case of St Columb Major, all postcodes are medium flood risk.
| Place | Distance |
|---|---|
| Lanhainsworth flood map | 1.1 km |
| Talskiddy flood map | 1.7 km |
| Black Cross flood map | 2.9 km |
| St Mawgan flood map | 4.6 km |
| Rosenannon flood map | 5.0 km |
| Fraddon flood map | 5.2 km |
| Tregoss flood map | 6.2 km |
| Demelza flood map | 6.4 km |
| Rumford flood map | 6.8 km |
| Mawgan Porth flood map | 7.0 km |