°Eau |
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Taux de raccordement
(exprimé en pour cent) |
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Teneur en phosphore de quatre lacs - valeur
moyenne annuelle |
aux
canalisations et aux stations d´épuration |
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NAM |
XVWSS |
XLH |
XLN |
XLK |
XLZ |
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Années |
Canalisations |
Stations d'épuration |
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1951 |
8 |
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7 |
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1964 |
18 |
12 |
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1952 |
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8 |
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1965 |
20 |
14 |
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1953 |
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8 |
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1966 |
24 |
17 |
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1954 |
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9 |
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1967 |
27 |
20 |
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1955 |
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9 |
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1968 |
36 |
25 |
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1956 |
8 |
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10 |
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1969 |
40 |
30 |
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1957 |
13 |
49 |
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11 |
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1970 |
43 |
32 |
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1958 |
14 |
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13 |
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1971 |
46 |
35 |
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1959 |
18 |
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14 |
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1972 |
50 |
38 |
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1960 |
19 |
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15 |
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1973 |
54 |
42 |
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1961 |
16 |
98 |
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19 |
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1974 |
58 |
46 |
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1962 |
12 |
130 |
14 |
24 |
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1975 |
66 |
50 |
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1963 |
12 |
130 |
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30 |
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1976 |
72 |
55 |
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1964 |
14 |
221 |
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34 |
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1977 |
75 |
60 |
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1965 |
15 |
199 |
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36 |
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1978 |
78 |
62 |
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1966 |
17 |
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35 |
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1979 |
80 |
65 |
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1967 |
20 |
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34 |
34 |
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1980 |
83 |
69 |
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1968 |
21 |
150 |
37 |
36 |
67 |
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1981 |
85 |
73 |
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1969 |
19 |
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39 |
40 |
85 |
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1982 |
86 |
78 |
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1970 |
19 |
182 |
41 |
45 |
107 |
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1983 |
88 |
81 |
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1971 |
23 |
145 |
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52 |
127 |
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1984 |
89 |
82 |
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1972 |
26 |
239 |
43 |
66 |
143 |
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1985 |
90 |
83 |
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1973 |
25 |
223 |
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76 |
155 |
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1986 |
91 |
84 |
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1974 |
24 |
243 |
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79 |
163 |
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1987 |
92 |
85 |
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1975 |
25 |
226 |
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82 |
176 |
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1988 |
93 |
87 |
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1976 |
26 |
242 |
54 |
83 |
187 |
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1989 |
94 |
90 |
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1977 |
26 |
260 |
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86 |
197 |
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1990 |
94 |
90 |
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1978 |
27 |
223 |
58 |
77 |
200 |
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1991 |
95 |
91 |
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1979 |
25 |
240 |
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87 |
202 |
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1992 |
95 |
91.5 |
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1980 |
23 |
231 |
59 |
83 |
205 |
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1993 |
95.5 |
92 |
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1981 |
21 |
222 |
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85 |
207 |
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1994 |
96 |
93 |
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1982 |
22 |
224 |
39 |
79 |
208 |
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1995 |
96.5 |
93.5 |
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1983 |
19 |
196 |
46 |
77 |
208 |
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1996 |
96.5 |
94 |
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1984 |
15 |
191 |
38 |
70 |
203 |
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1997 |
96.5 |
94.5 |
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1985 |
15 |
174 |
41 |
66 |
195 |
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1998 |
97 |
95 |
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1986 |
16 |
172 |
38 |
63 |
180 |
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1999 |
97 |
95.5 |
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1987 |
14 |
163 |
44 |
58 |
176 |
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2000 |
97 |
95.5 |
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1988 |
9 |
143 |
38 |
47 |
165 |
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1989 |
8 |
118 |
30 |
43 |
166 |
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1990 |
8 |
107 |
30 |
39 |
170 |
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Captages et
consommation d'eau potable |
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1991 |
7 |
98 |
18 |
33 |
167 |
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1992 |
6 |
92 |
21 |
32 |
165 |
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NAM |
XES |
XESS |
XEL |
XTT |
XCONS |
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1993 |
5 |
86 |
21 |
30 |
155 |
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1945 |
347 |
221 |
53 |
621 |
365 |
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1994 |
7 |
80 |
18 |
29 |
149 |
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1950 |
385 |
283 |
73 |
741 |
412 |
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1995 |
6 |
61 |
21 |
24 |
150 |
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1960 |
453 |
388 |
106 |
947 |
437 |
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1996 |
3 |
54 |
13 |
19 |
150 |
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1970 |
444 |
506 |
191 |
1141 |
486 |
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1997 |
2 |
49 |
14 |
18 |
135 |
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1975 |
459 |
485 |
185 |
1137 |
482 |
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1998 |
5 |
38 |
10 |
17 |
134 |
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1980 |
473 |
449 |
181 |
1104 |
475 |
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1999 |
5 |
52 |
10 |
15 |
116 |
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1985 |
499 |
454 |
191 |
1144 |
480 |
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2000 |
6 |
52 |
14 |
14 |
100 |
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1990 |
442 |
499 |
221 |
1162 |
468 |
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2001 |
5 |
52 |
12 |
12 |
87 |
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1991 |
469 |
506 |
219 |
1193 |
455 |
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1992 |
464 |
516 |
212 |
1192 |
469 |
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Legende: |
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1993 |
439 |
404 |
224 |
1066 |
418 |
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XVWSS |
Vierwaldstättersee |
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1994 |
469 |
433 |
190 |
1092 |
416 |
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XHALLS |
Hallwilersee |
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1995 |
445 |
447 |
176 |
1068 |
414 |
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XNEUBS |
Neuenburgersee |
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1996 |
445 |
416 |
191 |
1052 |
403 |
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XBODS |
Bodensee |
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1997 |
446 |
434 |
195 |
1056 |
407 |
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XZUGS |
Zugersee |
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1998 |
423 |
454 |
186 |
1063 |
409 |
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1999 |
468 |
407 |
182 |
1057 |
404 |
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2000 |
499 |
387 |
175 |
1060 |
403.5 |
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2001 |
491 |
377 |
168 |
1036 |
391 |
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Legende: |
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XES |
Eaux de source |
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XESS |
Eaux souterraines |
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XEL |
Eaux de lacs |
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XTT |
total |
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XCONS |
Cons. d'eau potable en litres par pers. et par
jour, Cons. moyenne |
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