
| Zones | Water Tank on Roof |
|---|---|
| North East | No |
| North East | No |
| East | No |
| East South East | No |
| South East | Yes |
| South South East | Yes |
| South | Yes |
| South South West | Yes |
| South West | Yes |
| West South West | Yes |
| West | Yes |
| West North West | Yes |
| North West | Yes |
| North North West | Yes |
| North | No |
| North North East | No |