BOIRE DE NAY OU RAU DE L'HOCMARD À LA CHAPELLE-SUR-ERDRE, paramètre Nitrates mg(NO3)/L

15/02/11
11.9
05/04/11
7.7
08/06/11
2.4
23/08/11
1.4
19/10/11
0.5
30/11/11
1.3
28/02/12
10
10/04/12
5.6
08/06/12
4.6
05/09/12
0.5
24/10/12
15.9
11/12/12
15.2
26/02/13
19.4
05/04/13
16.5
18/06/13
10.3
22/08/13
7.1
28/10/13
8.3
17/12/13
14
24/02/14
12.5
23/04/14
13.8
27/06/14
8.7
30/07/14
7.2
29/10/14
10.9
29/12/14
15.3
27/02/15
13.1
07/04/15
13.8
15/06/15
13.7
26/08/15
5.7
19/10/15
8.2
18/12/15
18
02/03/16
12.7
20/04/16
14.9
26/05/16
13.5
25/08/16
1.8
19/10/16
5.5
07/12/16
13.1
23/02/17
20.4
24/04/17
11
31/05/17
11.8
31/08/17
0.5
17/10/17
0.5
11/12/17
11
20/02/18
22.4
24/04/18
12.1
15/06/18
22.2
27/08/18
0.5
26/10/18
0.5
Limite de quantif.
11/12/18
8.8
18/02/20
14
28/02/20
8
15/04/20
18
22/06/20
16
30/06/20
1.4
17/08/20
10
31/08/20
0.5
Limite de quantif.
15/10/20
15
28/10/20
7.5
25/11/20
10
14/12/20
22
29/12/20
15
18/02/21
14
26/04/21
5.7
18/06/21
0.5
Limite de quantif.
27/08/21
0.5
Limite de quantif.
22/10/21
4.4
22/12/21
12
28/10/22
0.5
Limite de quantif.
25/11/22
11