SEVRE NANTAISE à REZE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

27/02/12 2.4	02/05/12 2.8	28/06/12 2.1	10/09/12 1.7	12/10/12 1.6	17/12/12 2.5
28/02/13 2.3	08/04/13 2.4	19/06/13 1.5	13/08/13 2.2	29/10/13 1.1	18/12/13 1.5
27/02/14 1	08/04/14 2.5	19/06/14 3.1	21/07/14 1.5	20/10/14 1.3	17/12/14 1.5
26/02/15 2.1	08/04/15 2.4	10/06/15 4.1	19/08/15 1	22/10/15 1	15/12/15 1.6
20/04/17 1.1	30/05/17 1.8	22/08/17 1.4	06/10/17 1.4	05/12/17 1.2
28/02/18 1.2	13/04/18 1.3	04/06/18 1.3	22/08/18 1.9	23/10/18 1.7	03/12/18 3.8
12/02/19 3.3	16/04/19 5.1	12/06/19 2	08/08/19 0.7	15/10/19 1.8	17/12/19 1.8
13/02/20 1.7	17/04/20 3.2	03/06/20 1.2	13/08/20 2.5	14/10/20 1.2	09/12/20 2.2
12/02/21 1.2	20/04/21 4.2	29/06/21 0.8	20/08/21 1.1	26/10/21 1.2	01/12/21 1.6
08/02/22 1.2	12/04/22 1.8	08/06/22 2.8	03/08/22 0.7	03/10/22 1.1	16/12/22 0.5 Limite de quantif.
27/02/23 1.7	04/04/23 1.6	07/06/23 2.7