SEVRE NANTAISE à SAINT-MALO-DU-BOIS, paramètre Nitrates mg(NO3)/L

24/01/12
24.37
17/02/12
24.1
28/03/12
17.2
23/04/12
12.2
29/05/12
14.2
19/06/12
13.5
05/07/12
12.1
22/08/12
3.3
14/09/12
2
04/10/12
3.2
15/11/12
25.3
18/12/12
16
24/01/13
15.5
21/02/13
26.1
27/03/13
22.4
24/04/13
22.1
29/05/13
20
24/06/13
13.6
12/07/13
14.8
23/08/13
8.3
12/09/13
6.1
23/10/13
14
15/11/13
24
12/12/13
26
19/02/14
19
28/03/14
18
11/04/14
19
23/05/14
9.5
11/06/14
17
30/07/14
9.6
06/08/14
8.2
30/09/14
15
15/10/14
13
26/11/14
15
23/12/14
4.9
27/01/15
22
19/02/15
18
23/03/15
20
01/04/15
17
29/05/15
20
15/06/15
16
30/07/15
6.1
20/08/15
3.2
24/09/15
20
26/10/15
18
25/11/15
22
22/12/15
20
27/01/16
23.8
18/02/16
20.1
14/03/16
20.6
26/04/16
20.4
23/05/16
16.3
22/06/16
14
25/07/16
9
16/08/16
6.3
13/09/16
4
19/10/16
12.1
22/11/16
11.9
12/12/16
20.3
17/01/17
20.5
09/02/17
28.6
15/03/17
15.2
24/04/17
15.7
31/05/17
8.2
26/06/17
0.6
31/07/17
0.5
Limite de quantif.
23/08/17
0.5
Limite de quantif.
13/09/17
0.5
Limite de quantif.
23/10/17
2.2
28/11/17
8.1
14/12/17
12
25/01/18
22
22/02/18
22
23/03/18
20
23/04/18
19
25/05/18
16
25/06/18
15
27/07/18
9.5
28/08/18
8
19/09/18
8.4
26/10/18
7.6
28/11/18
21
18/12/18
23
14/01/19
26
21/02/19
24
26/03/19
20
29/04/19
12
27/05/19
15
24/06/19
12
18/07/19
3.4
30/08/19
1.5
11/09/19
0.5
Limite de quantif.
29/10/19
23
22/11/19
23
30/12/19
23
29/01/20
11
26/02/20
19
13/03/20
16
28/04/20
19
28/05/20
17
18/06/20
14
21/07/20
13
24/08/20
6.4
16/09/20
6.9
27/10/20
12
16/11/20
18
21/12/20
21
26/01/21
19
23/02/21
20
31/03/21
20
28/04/21
16
28/05/21
13
21/06/21
11
21/07/21
10
17/08/21
6.7
22/09/21
6
20/10/21
11
29/11/21
14
22/12/21
21
24/01/22
23
23/02/22
18
09/03/22
20
27/04/22
14
17/05/22
14
22/07/22
0.5
Limite de quantif.
25/08/22
0.5
Limite de quantif.
08/09/22
0.5
Limite de quantif.
24/10/22
5.5
24/11/22
14
21/12/22
21
16/01/23
15
31/01/23
27
21/02/23
24
21/03/23
18
23/03/23
14
21/04/23
16
22/05/23
15
30/05/23
14
21/06/23
11
18/07/23
5.2
27/07/23
3.1
30/08/23
3.7
20/09/23
3.6