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

16/01/12
51.2
13/02/12
43.3
22/03/12
31.4
24/04/12
16.1
21/05/12
28.7
14/06/12
17.1
12/07/12
7.96
21/08/12
1
Limite de quantif.
20/09/12
1
Limite de quantif.
15/10/12
50.7
12/11/12
45.8
20/12/12
35.1
22/01/13
28
20/02/13
23
21/03/13
24
15/04/13
29
15/05/13
25
18/06/13
15
10/07/13
10
20/08/13
0.5
Limite de quantif.
19/09/13
2.2
14/10/13
0.7
19/11/13
58
18/12/13
30
22/01/14
37
19/02/14
25
12/03/14
25
16/04/14
16
14/05/14
15
19/06/14
14
15/07/14
5.1
20/08/14
14
16/09/14
5.4
06/10/14
1.7
12/11/14
51
09/12/14
39
07/01/15
39
11/02/15
40
11/03/15
34
15/04/15
20
12/05/15
28
16/06/15
20
07/07/15
20
18/08/15
0.87
17/09/15
43
14/10/15
13
18/11/15
7
16/12/15
36
12/01/16
29
16/02/16
27
10/03/16
21
11/04/16
20
17/05/16
17
22/06/16
23
23/06/16
22.5
05/07/16
15.1
20/07/16
11
01/08/16
1.2
25/08/16
0.61
09/09/16
0.5
Limite de quantif.
20/09/16
0.72
05/10/16
0.7
17/10/16
0.75
15/11/16
0.5
15/11/16
0.55
02/12/16
1.7
14/12/16
3.9
04/01/17
12
06/02/17
52
07/03/17
57
05/04/17
34
10/05/17
8.8
07/06/17
2
05/07/17
0.5
Limite de quantif.
02/08/17
0.68
06/09/17
0.5
Limite de quantif.
04/10/17
0.5
Limite de quantif.
07/11/17
0.5
Limite de quantif.
14/12/17
9.7
15/01/18
76
19/02/18
44
12/03/18
42
16/04/18
31
22/05/18
21
18/06/18
34
19/07/18
9.6
07/08/18
3.8
10/09/18
0.69
15/10/18
0.61
19/11/18
17
17/12/18
55
27/02/19
45
18/03/19
40.9
24/04/19
18
14/05/19
13
25/06/19
6.3
24/07/19
0.5
Limite de quantif.
28/08/19
1
24/09/19
0.5
Limite de quantif.
30/10/19
4.7
15/11/19
63.4
27/12/19
44
14/01/20
27
11/02/20
26
10/03/20
24
25/05/20
21
22/06/20
29
15/07/20
12
24/08/20
1.4
14/09/20
0.73
12/10/20
21
10/11/20
60
15/12/20
58
16/02/21
35
28/04/21
11
22/06/21
12
25/08/21
1.5
27/10/21
0.8
23/12/21
28
15/03/22
23
12/04/22
16
17/05/22
7
21/06/22
5.8
13/12/22
45
14/03/23
33
18/04/23
20
16/05/23
15
13/06/23
5
20/09/23
0.5
Limite de quantif.