VILAINE à SAINTE-MARIE, paramètre Nitrates mg(NO3)/L

25/03/13
26.3
22/04/13
27.8
02/05/13
28.4
21/06/13
17.9
03/07/13
17.1
06/08/13
6.9
10/09/13
3.3
21/10/13
4.7
19/11/13
30
05/12/13
30
22/04/14
20
13/05/14
15
17/06/14
11
03/07/14
6.4
21/08/14
5.5
08/09/14
6
10/10/14
2.8
12/11/14
19
09/02/15
30
05/03/15
25
10/04/15
23
05/05/15
17
05/06/15
21
10/07/15
6.6
07/08/15
1.9
11/09/15
3.3
08/10/15
4.3
06/11/15
5.2
09/12/15
10
26/01/16
28.9
17/02/16
24.9
15/03/16
22.5
11/04/16
24
17/05/16
17.1
16/06/16
13
12/07/16
15.7
05/09/16
2.9
25/10/16
5
26/10/16
5.3
21/11/16
5.9
02/12/16
6.7
15/02/17
43.7
09/03/17
30.2
23/05/17
10.9
01/06/17
8.6
12/07/17
0.9
17/08/17
1.4
12/09/17
1.8
05/10/17
4
07/12/17
6.7
23/01/18
31
22/02/18
34
12/04/18
23
17/05/18
20
25/06/18
25
19/07/18
14
09/08/18
5.4
04/10/18
5
08/11/18
6.3
13/12/18
40
28/01/19
24
04/02/19
33
25/03/19
25
15/04/19
19
02/05/19
14
11/06/19
8.8
08/07/19
7.3
28/08/19
0.5
Limite de quantif.
02/09/19
0.5
Limite de quantif.
28/10/19
9.4
18/11/19
27
28/01/20
29
14/05/20
15
18/06/20
28
02/07/20
20
13/08/20
2
10/09/20
3.1
28/10/20
11
05/11/20
19
19/11/20
18
17/12/20
27
12/01/21
32
15/02/21
28
17/03/21
25
26/04/21
13
20/05/21
9.5
30/06/21
13
30/07/21
6.7
24/08/21
5
27/09/21
4.1
25/10/21
12
25/11/21
12
14/01/22
23
14/02/22
25
14/03/22
21
14/04/22
13
12/05/22
6
02/06/22
5.2
12/07/22
4.8
19/08/22
0.5
Limite de quantif.
12/09/22
1.5
14/10/22
3.3
21/11/22
9.8
15/12/22
21
06/01/23
34
17/02/23
33
03/03/23
27
26/04/23
16
24/05/23
16
27/06/23
4
10/07/23
3
23/08/23
2.9
08/09/23
2.5
17/10/23
3.8
09/11/23
30