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groundwater protection zones (April 2013) | ||||||||||||||||
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n/a | groundwater protection zone S1 | groundwater protection zone S2 | groundwater protection zone S3 | no groundwater protection zone, but rated as S2 | no groundwater protection zone, but rated as S3 | area of contribution instead of protection zone S3 | total | |||||||||
canton | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
AG | 43.5 | 2 | 0.0 | . | 0.9 | 45 | 3.1 | 24 | 0.0 | . | 0.0 | . | 0.0 | . | 47.5 | 2 |
AI | 5.1 | 10 | 0.0 | . | 0.0 | . | 0.3 | 69 | 0.0 | . | 0.0 | . | 0.0 | . | 5.4 | 8 |
AR | 7.5 | 8 | 0.0 | . | 0.0 | . | 0.8 | 47 | 0.0 | . | 0.0 | . | 0.0 | . | 8.3 | 6 |
BE | 156.8 | 2 | 0.2 | 100 | 2.5 | 26 | 10.7 | 13 | 0.2 | 100 | 0.0 | . | 4.8 | 19 | 175.2 | 1 |
BL/BS | 18.3 | 5 | 0.2 | 100 | 1.4 | 38 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 20.5 | 3 |
FR | 39.2 | 3 | 0.2 | 100 | 0.5 | 57 | 0.9 | 45 | 0.8 | 44 | 0.0 | . | 0.0 | . | 41.6 | 2 |
GE | 3.7 | 5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.7 | 5 |
GL | 17.7 | 6 | 0.0 | . | 0.3 | 70 | 1.2 | 37 | 0.0 | . | 0.0 | . | 0.0 | . | 19.2 | 5 |
GR | 190.8 | 2 | 0.2 | 100 | 0.4 | 71 | 1.0 | 41 | 6.6 | 16 | 0.0 | . | 0.0 | . | 199.0 | 1 |
JU | 26.4 | 4 | 0.0 | . | 2.3 | 27 | 4.7 | 19 | 0.0 | . | 0.0 | . | 0.0 | . | 33.4 | 2 |
LU | 39.0 | 3 | 0.0 | . | 0.9 | 45 | 0.7 | 49 | 0.7 | 50 | 0.0 | . | 0.0 | . | 41.2 | 2 |
NE | 24.2 | 4 | 0.0 | . | 1.5 | 35 | 2.1 | 28 | 1.0 | 40 | 0.0 | . | 0.0 | . | 28.8 | 3 |
NW | 7.7 | 8 | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 8.3 | 6 |
OW | 19.3 | 4 | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 20.0 | 4 |
SG | 52.4 | 3 | 0.2 | 100 | 1.2 | 38 | 2.2 | 29 | 1.1 | 37 | 0.0 | . | 0.0 | . | 57.1 | 3 |
SH | 12.2 | 3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 12.2 | 3 |
SO | 27.7 | 4 | 0.0 | . | 1.1 | 41 | 3.6 | 22 | 0.0 | . | 0.0 | . | 0.0 | . | 32.4 | 2 |
SZ | 27.8 | 4 | 0.0 | . | 0.2 | 100 | 0.7 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 28.7 | 3 |
TG | 19.5 | 3 | 0.0 | . | 0.3 | 72 | 0.5 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 20.2 | 3 |
TI | 114.0 | 2 | 0.4 | 72 | 8.5 | 14 | 13.6 | 11 | 0.0 | . | 0.0 | . | 0.0 | . | 136.5 | 2 |
UR | 18.0 | 6 | 0.2 | 100 | 0.6 | 57 | 0.5 | 58 | 1.4 | 35 | 0.0 | . | 0.0 | . | 20.7 | 5 |
VD | 72.7 | 3 | 0.0 | . | 8.4 | 14 | 17.5 | 9 | 0.0 | . | 0.0 | . | 0.0 | . | 98.6 | 2 |
VS | 107.6 | 2 | 0.0 | . | 8.0 | 15 | 4.7 | 19 | 0.9 | 45 | 0.0 | . | 0.0 | . | 121.2 | 2 |
ZG | 5.6 | 7 | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 6.0 | 5 |
ZH | 46.7 | 2 | 0.0 | . | 1.2 | 38 | 1.0 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 48.9 | 2 |
Switzerland | 1103.2 | 1 | 1.7 | 34 | 40.9 | 6 | 71.2 | 5 | 12.7 | 12 | 0.0 | . | 4.8 | 19 | 1234.4 | 1 |
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