OUST à SAINT-THELO, paramètre Nitrates
mg(NO3)/L
20/02/13
39
20/06/13
29
14/08/13
17
17/10/13
12
11/12/13
25
20/02/14
35
23/04/14
31
18/06/14
27
18/08/14
15
20/10/14
11
04/02/15
33
09/06/15
28
08/10/15
12