CHERAN à LA BOISSIERE, paramètre Nitrates mg(NO3)/L

11/02/13
23
13/03/13
36
10/04/13
27
15/05/13
26
10/06/13
16
08/07/13
11
11/09/13
4
14/10/13
2.2
19/11/13
47
11/12/13
34
13/01/14
50
17/02/14
27
24/03/14
18
15/04/14
14
19/05/14
7.8
17/06/14
8
09/07/14
11
11/08/14
3.9
13/10/14
6.7
20/11/14
31
15/12/14
45
13/01/15
37
09/03/15
36
14/04/15
19
12/05/15
24
08/06/15
12
07/07/15
3.6
11/08/15
3.1
08/09/15
4.7
07/10/15
3.9
04/11/15
0.5
Limite de quantif.
14/12/15
13
02/02/16
45
14/03/16
30
26/04/16
21
23/05/16
14
14/06/16
11
22/08/16
4.8
19/09/16
2.2
10/10/16
2.7
21/11/16
3.1
15/12/16
7.1
16/01/17
13
07/02/17
71
14/03/17
39
10/04/17
14
15/05/17
6.1
07/06/17
3.2
18/07/17
2.9
07/08/17
3.5
09/10/17
0.98
07/11/17
0.51
13/12/17
29
17/01/18
60
22/02/18
55
19/03/18
42
23/04/18
32
29/05/18
14
20/06/18
36
22/08/18
1.1
18/09/18
10
25/10/18
0.5
Limite de quantif.
19/11/18
1.6
13/12/18
71
24/01/19
42
19/02/19
62
18/03/19
45
09/04/19
27
06/05/19
13
11/06/19
8.2
15/07/19
3.6
19/08/19
1.6
16/09/19
4.4
14/10/19
1.9
12/11/19
67
09/12/19
51
20/01/20
42
10/02/20
28
02/03/20
18
12/05/20
11
15/06/20
12
20/07/20
4.6
25/08/20
2.4
14/09/20
3.8
12/10/20
3.8
09/11/20
10
14/12/20
49
11/01/21
44
22/02/21
32
08/03/21
25
21/04/21
14
18/05/21
10
16/06/21
5.4
23/08/21
3.3
06/09/21
3.6
13/10/21
15
08/11/21
20
08/12/21
36
10/01/22
39
10/01/22
39
19/01/22
39
16/02/22
21
07/03/22
22
08/03/22
21
08/03/22
21
19/04/22
7.4
09/05/22
11
10/05/22
8.5
10/05/22
8.5
17/06/22
4.3
04/07/22
3.9
07/07/22
3.2
18/08/22
1.1
05/09/22
5.8
07/09/22
0.8
17/10/22
0.5
Limite de quantif.
07/11/22
0.52
16/11/22
0.9
14/12/22
30
09/01/23
57
06/02/23
43
06/03/23
23
03/04/23
28
03/04/23
28
09/05/23
15
09/05/23
15
05/06/23
7.3
05/06/23
7.3
03/07/23
6.4
01/08/23
3.1
04/09/23
3
03/10/23
3.7
13/11/23
42
04/12/23
33