CANAL MARANS LA ROCHELLE A SAINTE SOULLE, paramètre Nitrates
mg(NO3)/L
21/02/19
48
22/05/19
45.3
19/06/19
40.3
21/08/19
23.3
17/10/19
26.4
11/12/19
44.5
20/02/20
48.5
18/05/20
47.3
12/06/20
54.6
20/08/20
41.3
15/10/20
35.1
10/12/20
40.5
18/02/21
48.2
20/04/21
59.3
16/06/21
46
13/08/21
37.2
14/10/21
23.1
08/12/21
22.2