SEVRE NANTAISE à CLISSON, paramètre Nitrates mg(NO3)/L

27/02/12
24.6
02/05/12
12.9
28/06/12
10.9
10/09/12
3.4
12/10/12
24.8
17/12/12
19.9
28/02/13
26.4
08/04/13
20
19/06/13
15.6
13/08/13
4.9
29/10/13
11.7
18/12/13
26.4
27/02/14
15.2
08/04/14
17.1
19/06/14
9.2
21/07/14
11.1
20/10/14
10.8
17/12/14
22.3
26/02/15
16.8
08/04/15
17.4
10/06/15
14.1
19/08/15
3.8
22/10/15
13.4
15/12/15
21.1
19/02/16
21.6
12/04/16
17.5
25/05/16
14.3
23/06/16
12.7
05/07/16
12.3
01/08/16
6
10/08/16
4.3
09/09/16
3.9
05/10/16
2.8
13/10/16
2.4
15/11/16
6.2
01/12/16
11.5
02/12/16
11.4
09/01/17
14.8
15/02/17
30.5
30/03/17
23
20/04/17
7.4
12/05/17
10.8
30/05/17
7.2
17/07/17
1.4
22/08/17
1.7
18/09/17
2
06/10/17
1.8
10/11/17
1.8
05/12/17
3.1
09/01/18
34
28/02/18
27.5
12/03/18
23.2
13/04/18
17.9
04/06/18
14
16/07/18
9.2
22/08/18
2.9
10/09/18
2.2
23/10/18
2.3
03/12/18
26.7
23/01/19
26.7
18/03/19
20.9
13/05/19
13.1
22/07/19
1.9
24/09/19
0.9
15/10/19
2.3
15/11/19
31.7
17/12/19
20.2
14/02/20
21
28/02/20
20
15/04/20
19
04/06/20
15
22/06/20
12
18/08/20
2.2
26/08/20
1.7
20/10/20
13
21/10/20
12
13/11/20
25
11/12/20
30
23/12/20
26
17/02/21
20
28/04/21
12
22/06/21
12
23/08/21
2.3
27/10/21
4.4
23/12/21
22
03/02/22
26
01/04/22
18
30/06/22
3.8
26/08/22
0.5
Limite de quantif.
28/10/22
0.5
Limite de quantif.
21/12/22
25
13/02/23
29