Map of Tregrehan Mills (St. Austell, Cornwall) postcodes and their flood risks. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a Tregrehan Mills flood map. In the case of Tregrehan Mills, all postcodes are medium flood risk.
| Place | Distance |
|---|---|
| Bethel flood map | 1.0 km |
| Boscoppa flood map | 1.3 km |
| Holmbush flood map | 1.5 km |
| Sandy Bottom flood map | 1.6 km |
| Carlyon Bay flood map | 1.6 km |
| Carclaze flood map | 2.0 km |
| Charlestown flood map | 2.1 km |
| Mount Charles flood map | 2.2 km |
| Duporth flood map | 2.6 km |
| St Blazey flood map | 2.7 km |