GRANDE MAINE à SAINT-GEORGES-DE-MONTAIGU, paramètre Nitrates mg(NO3)/L

22/01/13
26
20/02/13
34
21/03/13
22
15/04/13
19
15/05/13
16
18/06/13
14
10/07/13
13
20/08/13
8.6
19/09/13
5
14/10/13
3.3
19/11/13
41
18/12/13
27
22/01/14
24
19/02/14
14
12/03/14
16
16/04/14
13
14/05/14
12
19/06/14
8.3
15/07/14
8.1
20/08/14
6.8
16/09/14
4.5
06/10/14
3.6
12/11/14
36
09/12/14
29
07/01/15
34
11/02/15
35
11/03/15
27
15/04/15
17
12/05/15
20
16/06/15
22
07/07/15
13
18/08/15
7.5
17/09/15
12
14/10/15
25
18/11/15
1.7
16/12/15
19
12/01/16
32
16/02/16
21
10/03/16
20
11/04/16
16
17/05/16
13
22/06/16
12
23/06/16
12.6
05/07/16
11.2
20/07/16
9.4
01/08/16
9
25/08/16
7.7
09/09/16
6.7
20/09/16
7.1
05/10/16
5
17/10/16
5.2
15/11/16
4.6
15/11/16
4.8
02/12/16
8.6
14/12/16
6.9
04/01/17
8.6
06/02/17
40
07/03/17
41
05/04/17
38
10/05/17
31
07/06/17
22
05/07/17
13
02/08/17
11
06/09/17
8
04/10/17
6.1
07/11/17
2.4
14/12/17
10
15/01/18
52
19/02/18
42
12/03/18
38
16/04/18
23
22/05/18
19
18/06/18
17
19/07/18
12
07/08/18
11
10/09/18
7.3
15/10/18
4.3
19/11/18
23
17/12/18
54
15/03/22
26
12/04/22
20
17/05/22
16
21/06/22
15
13/12/22
34
16/01/23
41
15/02/23
38
23/03/23
27
26/04/23
23
22/05/23
18
27/06/23
13
18/07/23
9.5
24/08/23
2.9
27/09/23
4.7
24/10/23
4.2
22/11/23
29
01/12/23
28