VILAINE à LANGON, paramètre Nitrates mg(NO3)/L

08/01/13
36
05/02/13
31
05/03/13
37
09/04/13
34
14/05/13
26
10/06/13
18
10/07/13
13
06/08/13
7.8
04/09/13
3.2
05/11/13
15
05/12/13
26
09/01/14
27
06/02/14
21
10/04/14
22
15/05/14
14
10/06/14
15
09/07/14
7.1
03/09/14
6
01/10/14
3.5
04/11/14
10
04/12/14
23
06/01/15
30
05/03/15
27
01/04/15
26
06/05/15
18
02/06/15
17
01/07/15
8.7
11/08/15
1.8
03/09/15
3.5
06/10/15
5.2
29/10/15
6.3
09/12/15
10
13/01/16
28
11/02/16
25
12/04/16
24
12/05/16
17
01/09/16
3.9
12/10/16
5
02/11/16
6.3
03/01/17
13
09/02/17
42
10/05/17
9.6
12/07/17
0.61
10/08/17
2.4
13/09/17
2.5
11/10/17
5.8
09/11/17
4.9
13/12/17
20
10/01/18
34
11/04/18
25
03/05/18
23
13/06/18
23
08/08/18
6.4
12/09/18
2.9
10/10/18
5.6
14/11/18
5.1
12/12/18
33
10/01/19
32
07/02/19
33
07/03/19
29
04/04/19
20
09/05/19
15
06/06/19
9.5
04/07/19
8.5
08/08/19
0.65
05/09/19
0.92
03/10/19
2.4
07/11/19
30
05/12/19
37
09/01/20
33
05/03/20
22
06/05/20
19
18/06/20
29
02/07/20
19
13/08/20
1.9
03/09/20
4.6
28/10/20
13
04/11/20
18
05/11/20
18
17/12/20
26
07/01/21
31
15/02/21
29
04/03/21
28
19/04/21
15
06/05/21
11
07/06/21
10
08/07/21
10
24/08/21
5.8
09/09/21
3
04/10/21
8.8
04/11/21
9.7
01/12/21
12
06/01/22
21
03/02/22
27
03/03/22
22
07/04/22
12
05/05/22
8.1
09/06/22
5.7
07/07/22
3.9
04/08/22
0.5
Limite de quantif.
08/09/22
1.3
06/10/22
4
09/11/22
5.3
08/12/22
22
05/01/23
32
08/02/23
34
08/03/23
23
05/04/23
21
04/05/23
17
07/06/23
9.9
05/07/23
4.1
03/08/23
4.7
06/09/23
1.5
04/10/23
4.3
08/11/23
29
06/12/23
25