RUISSEAU DE VAU JOLY A SAINT-MALO-DU-BOIS, paramètre Oxygène dissous
mg(O2)/L
25/01/21
11
24/02/21
10.2
25/03/21
10.1
27/04/21
9.3
19/05/21
9.2
23/06/21
8.3
29/07/21
8.9
20/10/21
5.9
24/11/21
9.5
27/12/21
10