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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 | 7.2 | 9 | 0.0 | . | 0.0 | . | 0.9 | 46 | 0.0 | . | 0.0 | . | 0.0 | . | 8.1 | 6 |
BE | 160.2 | 2 | 0.2 | 100 | 2.6 | 27 | 10.9 | 13 | 0.2 | 100 | 0.0 | . | 5.0 | 20 | 179.2 | 1 |
BL/BS | 18.6 | 5 | 0.2 | 100 | 1.3 | 41 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 20.7 | 3 |
FR | 39.7 | 3 | 0.2 | 100 | 0.6 | 58 | 1.0 | 45 | 0.9 | 44 | 0.0 | . | 0.0 | . | 42.4 | 2 |
GE | 3.9 | 7 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.9 | 7 |
GL | 18.9 | 5 | 0.0 | . | 0.4 | 70 | 1.0 | 44 | 0.0 | . | 0.0 | . | 0.0 | . | 20.3 | 4 |
GR | 195.0 | 2 | 0.2 | 100 | 0.2 | 100 | 1.0 | 45 | 7.1 | 16 | 0.0 | . | 0.0 | . | 203.5 | 1 |
JU | 26.3 | 5 | 0.0 | . | 2.1 | 30 | 4.9 | 19 | 0.0 | . | 0.0 | . | 0.0 | . | 33.4 | 3 |
LU | 39.6 | 3 | 0.0 | . | 0.6 | 58 | 0.6 | 58 | 0.8 | 50 | 0.0 | . | 0.0 | . | 41.6 | 2 |
NE | 23.5 | 5 | 0.0 | . | 1.5 | 38 | 2.2 | 29 | 1.0 | 40 | 0.0 | . | 0.0 | . | 28.2 | 3 |
NW | 7.6 | 9 | 0.0 | . | 0.3 | 100 | 0.5 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 8.4 | 6 |
OW | 19.0 | 4 | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 19.8 | 4 |
SG | 54.3 | 3 | 0.0 | . | 1.4 | 38 | 2.0 | 32 | 1.3 | 37 | 0.0 | . | 0.0 | . | 59.0 | 3 |
SH | 12.3 | 3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 12.3 | 3 |
SO | 27.4 | 4 | 0.0 | . | 1.1 | 45 | 3.6 | 23 | 0.0 | . | 0.0 | . | 0.0 | . | 32.1 | 2 |
SZ | 28.9 | 4 | 0.0 | . | 0.2 | 100 | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 29.9 | 3 |
TG | 19.3 | 3 | 0.0 | . | 0.4 | 73 | 0.5 | 59 | 0.0 | . | 0.0 | . | 0.0 | . | 20.1 | 2 |
TI | 127.3 | 2 | 0.5 | 72 | 9.4 | 14 | 13.5 | 12 | 0.0 | . | 0.0 | . | 0.0 | . | 150.6 | 1 |
UR | 19.0 | 6 | 0.2 | 100 | 0.6 | 57 | 0.6 | 57 | 1.5 | 35 | 0.0 | . | 0.0 | . | 22.0 | 5 |
VD | 74.3 | 3 | 0.0 | . | 8.0 | 15 | 16.2 | 10 | 0.0 | . | 0.0 | . | 0.0 | . | 98.5 | 2 |
VS | 111.9 | 2 | 0.0 | . | 8.1 | 15 | 5.3 | 19 | 1.0 | 45 | 0.0 | . | 0.0 | . | 126.3 | 2 |
ZG | 5.7 | 6 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 5.9 | 5 |
ZH | 47.0 | 2 | 0.0 | . | 1.3 | 38 | 1.1 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 49.4 | 2 |
Switzerland | 1135.7 | 1 | 1.7 | 36 | 41.3 | 7 | 70.7 | 5 | 13.8 | 12 | 0.0 | . | 5.0 | 20 | 1268.4 | 0 |
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