SEVRE NIORTAISE À MARANS, paramètre Nitrates mg(NO3)/L

05/01/12
39.13
13/01/12
45.6
27/01/12
42.69
02/02/12
42.01
20/02/12
38.3
15/03/12
32.9
23/03/12
25.2
30/03/12
32.3
04/04/12
29.5
20/04/12
25.5
27/04/12
21.5
25/05/12
35.5
31/05/12
31.5
18/06/12
23.5
26/06/12
24
17/07/12
17.8
23/08/12
7
20/09/12
2.1
30/10/12
40.1
05/11/12
35.7
23/11/12
45
14/12/12
40.3
17/12/12
33.2
03/01/13
38.3
22/01/13
31.3
29/01/13
40.5
08/02/13
37.6
22/02/13
42.3
26/02/13
45.9
05/03/13
49.6
18/03/13
43.3
26/03/13
36
10/04/13
38
18/04/13
29.5
25/04/13
41.1
03/05/13
42.6
27/05/13
34.3
19/06/13
33.6
26/06/13
31.8
04/07/13
36.4
29/08/13
18.9
13/09/13
15.2
24/10/13
20
13/11/13
36
20/11/13
43
11/12/13
43
19/12/13
45
09/01/14
34
23/01/14
37
30/01/14
30
14/02/14
16
20/02/14
18
27/02/14
34
14/03/14
39
20/03/14
43
27/03/14
36
10/04/14
34
16/04/14
36
21/05/14
31
27/05/14
30
19/06/14
32
26/06/14
30
29/07/14
20
28/08/14
27
12/09/14
23
21/10/14
5.9
17/11/14
30
26/11/14
36
17/12/14
34
23/12/14
9
16/01/15
30
23/01/15
37
29/01/15
28
06/02/15
37
13/02/15
39
20/02/15
37
13/03/15
42
25/03/15
42
30/03/15
40
03/04/15
14
13/04/15
11
23/04/15
32
12/05/15
33
22/05/15
35
16/06/15
29
24/06/15
26
29/07/15
9.9
19/08/15
4.9
23/09/15
32
29/10/15
32
13/11/15
26
27/11/15
25
10/12/15
30
17/12/15
30
29/01/16
40
01/02/16
34.9
26/02/16
29.7
29/02/16
30.8
01/03/16
34.5
11/03/16
32.7
30/03/16
39.7
04/04/16
33.6
07/04/16
33.8
15/04/16
32.2
10/05/16
33
24/05/16
27
01/06/16
19.9
07/06/16
28.5
25/07/16
12.6
10/08/16
7.8
12/09/16
1
06/10/16
0.6
07/11/16
1.4
23/11/16
9.6
05/12/16
8.5
21/12/16
11.4
02/01/17
18.4
12/01/17
18.4
23/01/17
21.9
01/02/17
22.3
13/02/17
26.3
22/02/17
31.8
01/03/17
30.1
13/03/17
41.5
21/03/17
41.1
13/04/17
36.2
24/04/17
20.2
09/05/17
30
29/05/17
20.7
13/06/17
13.3
26/06/17
6.3
27/07/17
0.5
Limite de quantif.
11/08/17
0.5
Limite de quantif.
04/09/17
0.5
Limite de quantif.
03/10/17
0.5
Limite de quantif.
06/11/17
0.5
Limite de quantif.
23/11/17
0.5
Limite de quantif.
11/12/17
1
Limite de quantif.
22/12/17
13
08/01/18
43
18/01/18
44
29/01/18
42
06/02/18
43
16/02/18
5.7
26/02/18
31
08/03/18
41
19/03/18
39
29/03/18
42
06/04/18
38
16/04/18
40
26/04/18
43
04/05/18
43
17/05/18
36
06/06/18
33
18/06/18
31
25/07/18
16
02/08/18
12
06/09/18
3.7
03/10/18
0.5
Limite de quantif.
12/11/18
9.1
22/11/18
14
06/12/18
45
17/12/18
49
02/01/19
46
16/01/19
21
30/01/19
39
05/02/19
42
15/02/19
45
25/02/19
47
04/03/19
27
15/03/19
37
25/03/19
41
01/04/19
40
15/04/19
38
25/04/19
35
02/05/19
31
13/05/19
30
11/06/19
21
18/06/19
20
02/07/19
14
29/08/19
0.5
Limite de quantif.
13/09/19
0.5
Limite de quantif.
29/10/19
41
04/11/19
36
14/11/19
38
16/12/19
30
26/12/19
30
06/01/20
38
16/01/20
43
27/01/20
48
03/02/20
29
13/02/20
38
24/02/20
42
02/03/20
36
12/03/20
27
01/04/22
28
06/04/22
27
13/04/22
27
02/05/22
21
16/05/22
16
01/06/22
9.3
14/06/22
4.4
01/07/22
1
12/07/22
0.5
Limite de quantif.
01/08/22
0.5
Limite de quantif.
12/08/22
0.5
Limite de quantif.
01/09/22
0.5
Limite de quantif.
12/09/22
0.5
Limite de quantif.
03/10/22
0.5
Limite de quantif.
18/10/22
0.5
Limite de quantif.
02/11/22
0.5
Limite de quantif.
14/11/22
0.5
Limite de quantif.
01/12/22
12
19/12/22
19
02/01/23
40
24/01/23
43
01/02/23
46
23/02/23
45
01/03/23
39
24/03/23
38
03/04/23
39
26/04/23
37
02/05/23
36
19/05/23
32
01/06/23
29
14/06/23
23
03/07/23
18
20/07/23
13
02/08/23
8.2
14/08/23
6.3
01/09/23
3.1
18/09/23
1.4
02/10/23
7.2
16/10/23
5.7
02/11/23
30
20/11/23
22