ERVE à BALLEE, paramètre Nitrates mg(NO3)/L

07/01/13
28
04/02/13
23
11/03/13
23
04/04/13
31
06/05/13
28
03/06/13
25
01/07/13
29
06/08/13
25
05/09/13
28
07/10/13
20
12/11/13
24
04/12/13
24
06/01/14
22
10/02/14
16
17/03/14
27
09/04/14
25
12/05/14
12
11/06/14
26
02/07/14
21
05/08/14
24
08/09/14
23
06/10/14
24
12/11/14
20
08/12/14
23
07/01/15
18
02/02/15
4.5
02/03/15
18
07/04/15
22
06/05/15
18
03/06/15
20
01/07/15
22
03/08/15
15
02/09/15
22
05/10/15
22
02/11/15
18
07/12/15
15
07/01/16
20
01/02/16
19
09/03/16
24
18/04/16
21
18/05/16
24
13/06/16
22
20/07/16
22
16/08/16
16
15/09/16
20
11/10/16
22
16/11/16
19
12/12/16
26
12/01/17
25
06/02/17
44
13/03/17
31
03/04/17
21
10/05/17
18
06/06/17
17
12/07/17
14
01/08/17
13
07/09/17
13
10/10/17
13
09/11/17
14
18/12/17
37
09/01/18
36
12/02/18
23
13/03/18
21
16/04/18
24
22/05/18
28
19/06/18
27
17/07/18
25
07/08/18
23
11/09/18
24
15/10/18
19
13/11/18
19
10/12/18
42
12/09/19
19
15/10/19
16
14/11/19
35
10/12/19
22
05/05/20
29
08/06/20
29
13/01/21
37
15/02/21
34
10/03/21
32
19/04/21
27
19/05/21
21
08/06/21
22
09/08/21
21
08/09/21
22
05/10/21
24
15/11/21
23
06/12/21
25
12/01/22
23
08/02/22
26
10/03/22
26
05/04/22
25
09/05/22
23
13/06/22
18
06/07/22
20
08/08/22
15
06/09/22
14
10/10/22
15
08/11/22
13
12/12/22
25
11/01/23
26
07/02/23
29
08/03/23
28
04/04/23
18
11/05/23
21
05/06/23
21
05/07/23
17
02/08/23
15
06/09/23
16
04/10/23
17
08/11/23
22
05/12/23
20