RAU DU GUE AUX BICHES OU C DE LA FLEUR À ST-GILDAS-DES-BOIS, paramètre Nitrates mg(NO3)/L

27/02/13
14.5
11/04/13
5.5
11/06/13
7.6
12/08/13
9.7
28/10/13
20
03/12/13
10.1
26/02/14
9.9
23/04/14
10
23/06/14
6.6
05/08/14
11.6
20/10/14
5.9
17/12/14
7.7
17/02/15
10
28/04/15
8.1
18/06/15
6.3
31/08/15
5.4
08/10/15
8.2
22/12/15
8.7
22/02/16
10.6
28/04/16
10.4
30/06/16
6.3
22/08/16
14.1
25/10/16
17.5
02/12/16
6.6
07/02/17
19.9
11/04/17
4.7
19/06/17
14.9
13/12/17
5.8
21/02/18
15
18/04/18
7.4
14/06/18
7
09/08/18
13.5
06/12/18
13.8
21/10/19
4.7
16/12/19
9.5
17/02/20
7
14/04/20
10
30/06/20
6.1
21/08/20
4.2
13/10/20
5.2
10/12/20
8.3
10/02/21
10
29/04/21
8.8
10/06/21
4.5
13/08/21
2.9
13/10/21
4.8
13/12/21
5.4
29/11/22
13
25/01/23
12
24/02/23
9.4
24/03/23
6.6
27/04/23
7
26/05/23
4.3
29/06/23
2.5
27/07/23
1.9
29/08/23
1.9
25/09/23
1.4