RU DE L'AUNAY BARBOT A BEAUPREAU-EN-MAUGES, paramètre Nitrites mg(NO2)/L

29/11/16
0.16
22/12/16
0.02
19/12/17
0.25
21/02/18
0.21
23/04/18
0.13
24/05/18
0.14
28/06/18
0.05
28/11/18
0.14
25/02/19
0.21
24/04/19
0.14
22/05/19
0.12
27/11/19
0.24
12/12/19
0.33