BOIVRE à SAINT-PERE-EN-RETZ, paramètre Nitrates mg(NO3)/L

18/02/11
4.9
19/04/11
1.1
16/06/11
0.5
Limite de quantif.
29/08/11
2.5
27/10/11
2.6
12/12/11
11
08/02/12
3.4
19/04/12
2
04/06/12
0.5
30/08/12
1
30/10/12
6.5
14/12/12
3.4
11/02/13
9.1
25/04/13
3.7
24/06/13
3.5
20/08/13
0.5
18/10/13
3.3
04/12/13
10
17/02/14
5.3
29/04/14
8.5
26/06/14
0.5
10/09/14
0.5
23/10/14
5.3
23/12/14
4.2
19/02/15
8.9
02/04/15
5
16/06/15
4.4
13/08/15
0.5
29/10/15
1.2
14/12/15
7.3
23/02/16
7.1
07/04/16
3.7
21/06/16
3.5
18/08/16
0.5
17/10/16
1.9
15/12/16
3
28/02/17
3.1
10/04/17
4.6
09/06/17
0.5
07/08/17
0.5
09/10/17
0.5
06/12/17
3.7
20/02/18
12.2
19/04/18
10.3
14/06/18
12.9
14/08/18
0.5
26/10/18
2.4
11/12/18
24.8
15/10/19
18.6
17/12/19
12.1
12/02/20
9.5
06/04/20
12
02/06/20
0.5
Limite de quantif.
12/08/20
0.5
Limite de quantif.
21/10/20
0.51
08/12/20
13
03/02/21
4.9
21/04/21
1.7
30/06/21
3.5
19/08/21
0.5
Limite de quantif.
28/10/21
0.87
10/12/21
4.2
16/02/22
2.9
14/04/22
1.1
15/06/22
0.5
Limite de quantif.
04/08/22
0.5
Limite de quantif.
12/10/22
0.5
Limite de quantif.