St. Joseph's Creek - EB 4
Test Date	Nitrate - mg/L NO3 as N
01/08/00	2.5
01/22/00	1.5
02/05/00	1.0
02/19/00	1.0
03/04/00	1.3
04/01/00	0.8
04/15/00	0.5
05/06/00	0.4
05/13/00	1.3
06/03/00	1.0
06/17/00	1.0
07/08/00	0.5
07/22/00	1.1
08/05/00	2.2
08/19/00	0.7
09/09/00	1.9
09/23/00	1.4
10/21/00	1.3
11/04/00	1.1
12/02/00	0.8
01/13/01	0.5
02/10/01	2.8
04/07/01	1.6
07/07/01	1.0
10/20/01	1.2
01/19/02	0.6
04/20/02	1.2
07/27/02	1.2
10/19/02	2.2
01/04/03	1.1
04/05/03	2.0
11/01/03	0.5
04/04/04	0.9
07/10/04	0.1
10/02/04	0.8
01/08/05	1.0
04/02/05	1.7
07/09/05	0.4
10/01/05	1.1
01/07/06	1.2
04/01/06	0.6
10/07/06	1.6
01/06/07	1.5
04/14/07	1.2
07/07/07	0.5
10/06/07	1.0
01/12/08	2.0
04/05/08	1.1
07/12/08	0.8
Illinois EPA limit	7.8