ETANG DE PERONNE A YZERNAY, paramètre Nitrates mg(NO3)/L

18/02/15
7.1
16/03/15
7.2
16/04/15
4.8
01/06/15
2.4
12/10/15
0.5
09/11/15
0.5
07/12/15
1.4
03/03/16
7.4
03/03/16
7.3
18/04/16
4
18/04/16
4.6
20/06/16
1
20/06/16
0.5
10/10/16
0.5
10/10/16
0.5
14/11/16
0.5
14/11/16
0.5
12/12/16
0.5
12/12/16
0.5
09/03/17
4.1
09/03/17
4.2
10/04/17
3.1
10/04/17
3.1
19/06/17
0.5
19/06/17
0.5
13/11/17
0.5
13/11/17
0.5
04/12/17
0.5
04/12/17
0.5
05/03/19
7.3
05/03/19
7.2
17/06/19
0.5
17/06/19
0.5
22/07/19
0.5
22/07/19
0.5
09/09/19
0.5
14/02/23
11
02/05/23
5
30/05/23
2.5