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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 | 43.7 | 3 | 0.0 | . | 1.0 | 45 | 2.8 | 26 | 0.0 | . | 0.0 | . | 0.0 | . | 47.5 | 2 |
AI | 5.1 | 11 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 5.3 | 10 |
AR | 7.5 | 9 | 0.0 | . | 0.0 | . | 0.9 | 46 | 0.0 | . | 0.0 | . | 0.0 | . | 8.4 | 6 |
BE | 159.8 | 2 | 0.2 | 100 | 2.6 | 27 | 10.9 | 13 | 0.2 | 100 | 0.0 | . | 5.0 | 20 | 178.8 | 1 |
BL/BS | 18.7 | 5 | 0.2 | 100 | 1.3 | 41 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 20.8 | 3 |
FR | 39.1 | 3 | 0.2 | 100 | 0.6 | 58 | 1.0 | 45 | 1.1 | 41 | 0.0 | . | 0.0 | . | 42.0 | 3 |
GE | 3.7 | 5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.7 | 5 |
GL | 18.4 | 6 | 0.0 | . | 0.4 | 70 | 1.0 | 44 | 0.0 | . | 0.0 | . | 0.0 | . | 19.8 | 5 |
GR | 198.8 | 2 | 0.2 | 100 | 0.4 | 71 | 1.0 | 45 | 7.0 | 17 | 0.0 | . | 0.0 | . | 207.4 | 2 |
JU | 26.7 | 4 | 0.0 | . | 2.1 | 30 | 4.9 | 19 | 0.0 | . | 0.0 | . | 0.0 | . | 33.7 | 2 |
LU | 39.0 | 3 | 0.0 | . | 0.6 | 58 | 0.6 | 58 | 0.8 | 50 | 0.0 | . | 0.0 | . | 41.0 | 2 |
NE | 23.6 | 5 | 0.0 | . | 1.5 | 38 | 2.4 | 28 | 1.0 | 40 | 0.0 | . | 0.0 | . | 28.5 | 3 |
NW | 7.6 | 9 | 0.0 | . | 0.3 | 100 | 0.5 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 8.4 | 7 |
OW | 20.2 | 4 | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 21.0 | 4 |
SG | 54.2 | 3 | 0.2 | 100 | 1.4 | 38 | 2.0 | 32 | 1.3 | 37 | 0.0 | . | 0.0 | . | 59.0 | 3 |
SH | 12.5 | 3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 12.5 | 3 |
SO | 27.9 | 4 | 0.0 | . | 1.1 | 45 | 3.6 | 23 | 0.0 | . | 0.0 | . | 0.0 | . | 32.6 | 2 |
SZ | 28.3 | 4 | 0.0 | . | 0.2 | 100 | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 29.3 | 4 |
TG | 19.5 | 3 | 0.0 | . | 0.4 | 73 | 0.5 | 59 | 0.0 | . | 0.0 | . | 0.0 | . | 20.3 | 2 |
TI | 118.7 | 2 | 0.5 | 72 | 9.4 | 14 | 13.2 | 12 | 0.0 | . | 0.0 | . | 0.0 | . | 141.8 | 2 |
UR | 18.2 | 7 | 0.2 | 100 | 0.6 | 57 | 0.4 | 72 | 1.7 | 33 | 0.0 | . | 0.0 | . | 21.1 | 6 |
VD | 73.7 | 3 | 0.0 | . | 8.0 | 15 | 16.7 | 10 | 0.0 | . | 0.0 | . | 0.0 | . | 98.4 | 2 |
VS | 112.4 | 2 | 0.0 | . | 8.4 | 15 | 5.9 | 18 | 1.2 | 41 | 0.0 | . | 0.0 | . | 127.8 | 2 |
ZG | 5.8 | 6 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 6.0 | 5 |
ZH | 47.9 | 2 | 0.0 | . | 1.3 | 38 | 1.1 | 45 | 0.2 | 100 | 0.0 | . | 0.0 | . | 50.5 | 1 |
Switzerland | 1130.8 | 1 | 1.9 | 34 | 41.7 | 7 | 71.5 | 5 | 14.5 | 11 | 0.0 | . | 5.0 | 20 | 1265.6 | 1 |
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