RAU DU LARHON à SAINT-MAUDAN, paramètre Nitrates mg(NO3)/L

12/02/13 44.2	18/04/13 39.2	12/06/13 31	08/08/13 19.8	18/12/13 28
14/04/14 37	06/06/14 26	07/08/14 7.3	01/10/14 13	05/12/14 40
13/04/15 40	05/10/15 9.6
25/02/16 33.1	12/04/16 37.5	30/08/16 7.5	15/12/16 17.2
02/02/17 26	13/04/17 31.6	21/08/17 5.4	18/10/17 0.9	19/12/17 34
15/02/18 36	19/04/18 38	30/05/18 21	18/06/18 28	05/07/18 20	28/08/18 15	20/09/18 32	17/10/18 3.9	06/12/18 20
07/02/19 25	18/04/19 31	18/06/19 23	12/08/19 8.3	22/10/19 15	03/12/19 39
11/02/20 36	03/06/20 27	18/08/20 7.5	15/10/20 21	12/11/20 26	02/12/20 34
18/02/21 31	07/04/21 34	02/06/21 17	10/08/21 22	14/10/21 18	21/12/21 34
16/02/22 24	19/04/22 31	14/06/22 16	03/08/22 4	13/10/22 4.1	14/12/22 20
14/02/23 36	19/04/23 31	28/06/23 17	23/08/23 8.3	18/10/23 5.1