RAU DU LARHON à SAINT-MAUDAN, paramètre Nitrates
mg(NO3)/L
20/02/13
49
18/04/13
42
20/06/13
32
14/08/13
16
11/12/13
36
20/02/14
38
18/06/14
31
18/08/14
22
20/10/14
19
04/12/14
38
04/02/15
43
08/04/15
39
09/06/15
34
19/08/15
7
08/10/15
9
08/12/15
19