| Buffer zone for PPP: CUSTODIA |
| Crop/Area | Surface water category | Minimum distance |
| Grapevine (Vitis vinifera L.) | 1st category water | 15 m |
| Grapevine (Vitis vinifera L.) | 2nd category water | 10 m |
| Oilseed rape (Brassica napus L.) | 1st category water | 15 m |
| Oilseed rape (Brassica napus L.) | 2nd category water | 5 m |