RAU CHAMBON A AZAY-LE-BRULE, paramètre Nitrates mg(NO3)/L

25/04/12
17.5
22/05/12
17.5
12/06/12
17.7
19/07/12
11.7
31/08/12
6.5
11/09/12
4.8
17/10/12
18.8
07/11/12
31.9
11/12/12
23
25/02/13
28.9
13/06/13
15.6
19/08/13
10.8
07/10/13
6.9
19/12/13
15
26/02/14
13
16/04/14
15
23/06/14
14
25/08/14
8.6
22/10/14
8.8
17/12/14
13
25/02/15
12
13/04/15
16
26/06/15
15
27/08/15
6
27/10/15
8.5
08/12/15
23
24/02/16
12.2
05/04/16
14.2
02/06/16
10.7
09/08/16
7.5
03/10/16
4.7
20/12/16
7.2
02/02/17
14.3
04/04/17
24.6
14/06/17
13.2
01/08/17
9.4
02/10/17
5.5
07/12/17
5.4
01/02/18
25
03/04/18
18
04/06/18
17
01/08/18
12
01/10/18
3.3
03/12/18
41
06/02/19
19
25/04/19
17
27/06/19
16
26/08/19
11
29/10/19
30
18/12/19
20
04/02/20
18
15/06/20
18
18/08/20
8.5
16/10/20
14
16/11/20
17
11/12/20
16
17/02/21
16
21/04/21
15
21/06/21
12
18/08/21
6
20/10/21
3.3
15/12/21
16
17/10/22
3.1
10/11/22
3.3
14/12/22
16
12/01/23
32
10/02/23
25
10/03/23
20
28/04/23
18
23/05/23
19
26/06/23
16
31/07/23
12
25/08/23
8.7
15/09/23
10