OUST à HEMONSTOIR, paramètre Nitrates mg(NO3)/L

17/01/13
45
20/02/13
50
21/03/13
44
18/04/13
40
23/05/13
42
20/06/13
34
16/07/13
31
14/08/13
16
24/09/13
10
17/10/13
9
26/11/13
29
11/12/13
33
20/01/14
43
20/02/14
41
17/03/14
44
23/04/14
37
19/05/14
37
18/06/14
33
16/07/14
25
18/08/14
19
15/09/14
17
20/10/14
14
17/11/14
35
04/12/14
36
07/01/15
41
14/01/15
32
04/02/15
42
04/03/15
41
05/03/15
41
31/03/15
35
08/04/15
38
04/05/15
34
06/05/15
26
19/05/15
34
08/06/15
35
09/06/15
35
06/07/15
24
10/07/15
24
06/08/15
24
19/08/15
15
09/09/15
16
06/10/15
17
08/10/15
16
09/11/15
13
09/11/15
13
08/12/15
18
10/12/15
18
14/01/16
41
14/01/16
40
17/02/16
41
25/02/16
37
16/03/16
41
17/03/16
42
19/04/16
39
21/04/16
40
18/05/16
37
19/05/16
35
16/06/16
27
21/06/16
26
19/07/16
26
19/07/16
26
11/08/16
16
11/08/16
15
15/09/16
11
16/09/16
11
18/10/16
9
19/10/16
9
17/11/16
8
17/11/16
8
08/12/16
18
13/12/16
16
23/01/17
25
24/01/17
26
16/02/17
39
20/02/17
40
20/03/17
38
30/03/17
37
18/04/17
35
26/04/17
37
18/05/17
18
22/05/17
22
20/06/17
22
28/06/17
21
19/07/17
13
10/08/17
10
21/08/17
7
18/09/17
8
28/09/17
8
17/10/17
4
16/11/17
10
20/11/17
11
18/12/17
32
19/12/17
35
22/01/18
38
23/01/18
40
20/02/18
39
20/03/18
40
27/03/18
38
19/04/18
40
19/04/18
41
22/05/18
35
20/06/18
28
19/07/18
27
20/08/18
12
19/09/18
11
18/10/18
6
19/11/18
8
19/12/18
28
24/01/19
33
25/02/19
44
25/03/19
37
23/04/19
34
22/05/19
30
20/06/19
24
18/07/19
29
21/08/19
17
19/09/19
8
21/10/19
22
21/11/19
40
18/12/19
36
15/01/20
23
13/02/20
37
12/03/20
37
14/04/20
38
12/05/20
31
09/06/20
33
07/07/20
33
06/08/20
28
08/09/20
13
06/10/20
20
05/11/20
33
08/12/20
31
19/01/21
40
16/02/21
36
16/03/21
36
13/04/21
30
11/05/21
30
13/07/21
23
12/08/21
20
09/09/21
16
12/10/21
18
09/11/21
21
07/12/21
22
25/01/22
41
22/02/22
35
22/03/22
34
19/04/22
31
17/05/22
39
21/06/22
18
19/07/22
9
16/08/22
5
13/09/22
7
18/10/22
9
15/11/22
11
13/12/22
29
24/01/23
41
14/02/23
41
14/03/23
27
11/04/23
36
22/05/23
30
20/06/23
22