RAU D'EVAL À SAINT-MALO-DE-PHILY, paramètre Nitrates
mg(NO3)/L
13/02/18
46
17/04/18
36
25/06/18
15
30/08/18
11
22/10/18
24
17/12/18
48
13/04/22
26
03/05/22
22.9
07/06/22
24.6
04/07/22
25
02/08/22
43.1
05/09/22
29.1
06/10/22
20.9
08/11/22
11.9
06/12/22
50