RAU DES GRASSES NOES OU DE LA MALARDAIS à QUELNEUC, paramètre Nitrates mg(NO3)/L

26/01/16
39
25/02/16
27
31/03/16
27
28/04/16
40
26/05/16
40
30/06/16
40
27/07/16
46
30/08/16
33
28/09/16
17
27/10/16
21
24/11/16
52
31/01/17
35
27/02/17
28
30/03/17
36
27/04/17
42
30/05/17
32
27/06/17
33
27/07/17
27
30/08/17
1
29/09/17
4.7
30/10/17
4.7
21/12/17
8.8
30/01/18
40
27/02/18
46
28/03/18
32
24/04/18
41
30/05/18
39
30/07/18
37
27/08/18
48
26/09/18
2
Limite de quantif.
30/10/18
19
29/11/18
40
17/12/18
36
31/01/19
32
27/02/19
43
28/03/19
40
30/04/19
36
28/05/19
40
26/06/19
35
31/07/19
26
27/08/19
2
Limite de quantif.
24/09/19
7
30/10/19
28
27/11/19
26
16/12/19
40
29/01/20
35
26/02/20
35
30/03/20
45
29/04/20
38
27/05/20
46
30/06/20
45
30/07/20
46
27/08/20
38
28/09/20
31
27/10/20
31
25/11/20
40
22/12/20
27
25/01/21
41.4
23/02/21
39.3
29/03/21
43.5
27/04/21
44.7
27/05/21
26.2
28/06/21
43.3
27/07/21
28.3
31/08/21
38.7
28/09/21
34.1
28/10/21
30.6
30/11/21
33.2
22/12/21
41.8
24/01/22
43.1
22/02/22
22.6
28/03/22
43.8
28/04/22
45.2
31/05/22
49.2
28/06/22
42.2
27/07/22
7.5
27/09/22
3.7
26/10/22
4.9
29/11/22
36.8
20/12/22
24.7