Zones around groundwater wells and groundwater recharging facilities that are designated by the canton as in the public interest for protecting drinking water. How strict the property restrictions and/or management requirements are depends on the protection zone,. The variable reflects the protection zone categories applicable since 2016 in accordance with Art. 121 of the Waters Protection Ordinance (SR 814.201) and the status of designation by the cantons on 8 July 2022 (download of data from geodienste.ch).
| Code | Text | NFI1 | NFI2 | NFI3 | NFI4 | NFI4b | NFI5 |
|---|---|---|---|---|---|---|---|
| -1 | n/a | x | x | x | x | x | x |
| 1 | S1 | x | x | x | x | x | x |
| 2 | S2 | x | x | x | x | x | x |
| 3 | S3 | x | x | x | x | x | x |
| 4 | area of contribution instead of S3 or Sm | x | x | x | x | x | x |
| 5 | Sh | x | x | x | x | x | x |
| 6 | Sm | x | x | x | x | x | x |
| 7 | protection zone, not according to federal law | x | x | x | x | x | x |
| 8 | no protection zone | x | x | x | x | x | x |
last calculated: 19.11.2023 16:17:17