ARON à GRAND-FOUGERAY, paramètre Nitrates mg(NO3)/L

18/02/13
28
22/04/13
22.5
21/06/13
12.3
06/08/13
6.6
16/10/13
4.8
05/12/13
27
18/04/14
14
11/06/14
8.6
08/08/14
7.4
10/10/14
3.1
09/12/14
24
09/02/15
27
16/04/15
20
08/06/15
11
05/08/15
5
07/10/15
2.8
08/12/15
11
17/02/16
27.2
11/04/16
16.4
02/06/16
8.7
17/08/16
5.6
25/10/16
4.7
02/12/16
8
15/02/17
41
18/04/17
10.9
01/06/17
3.2
17/08/17
2.7
05/10/17
0.8
07/12/17
4.3
23/01/18
48
13/02/18
35
20/03/18
32
17/04/18
23
22/05/18
14
25/06/18
30
19/07/18
7.7
30/08/18
5.1
17/09/18
4.8
22/10/18
0.5
Limite de quantif.
12/11/18
1.8
17/12/18
66
04/02/19
50
15/04/19
19
11/06/19
4.3
28/08/19
3.5
28/10/19
11
02/12/19
38
18/06/20
40
13/08/20
5.2
28/10/20
40
23/11/20
27
26/11/20
26
17/12/20
34
15/02/21
25
19/04/21
14
07/06/21
7.4
24/08/21
5.2
04/10/21
28
01/12/21
12
14/02/22
20
14/04/22
9.1
02/06/22
7.6
19/08/22
0.5
Limite de quantif.
19/10/22
0.5
Limite de quantif.
21/12/22
52
26/04/23
15
27/06/23
5.1
23/08/23
3.2
17/10/23
1.7