SEVRE NIORTAISE à SAINT-MAIXENT-L'ECOLE, paramètre Nitrates mg(NO3)/L

26/03/12
40
02/05/12
38
16/07/12
40
20/08/12
40
10/09/12
39
10/12/12
43
06/03/13
49
02/05/13
44
22/07/13
43
20/08/13
46
09/09/13
52
09/12/13
46
05/03/14
38
19/05/14
43
15/07/14
42
20/08/14
46
15/09/14
46
11/12/14
41
03/03/15
37
18/05/15
40
15/07/15
41
18/08/15
39
07/09/15
0.5
Limite de quantif.
14/12/15
40
03/03/16
41
18/05/16
41
18/07/16
39
16/08/16
40
05/09/16
39
08/12/16
38
14/03/17
44
11/05/17
39
11/07/17
27
17/08/17
34
11/09/17
32
07/12/17
37
14/03/18
42
23/05/18
41
12/07/18
42
13/08/18
42.4
14/09/18
44.3
21/12/18
33.8
13/03/19
40.8
20/05/19
41.8
10/07/19
38.6
12/08/19
37
11/09/19
40.8
20/12/19
35.2
11/03/20
38.6
18/05/20
45.2
15/07/20
41.7
24/08/20
38.3
16/09/20
40.6
23/12/20
35
24/03/21
41.4
26/05/21
38.1
21/07/21
38.7
30/08/21
37.6
24/09/21
38.7
23/12/21
37.4
16/03/22
34.3
25/05/22
36.7
20/07/22
33
19/08/22
33
16/09/22
31.7
07/12/22
36.3
15/03/23
37.2
16/05/23
38
19/07/23
40.6
16/08/23
39.8
12/09/23
23.6
07/12/23
45.1