SEVRE NANTAISE à CLISSON-L ARSENAL, paramètre Métolachlore total µg/L

25/03/15
0.01
23/04/15
0.01
29/05/15
0.01
19/06/15
0.01
14/10/15
0.01
13/11/15
0.01
22/12/15
0.01
23/06/16
0.01
05/07/16
0.01
05/10/16
0.01
15/11/16
0.01
02/12/16
0.01
12/04/17
0.01
12/05/17
0.01
14/06/17
0.01
17/07/17
0.01
05/10/17
0.01
10/11/17
0.01
04/12/17
0.01
09/04/18
0.01
01/05/18
0.01
01/06/18
0.08
16/07/18
0.01