Centennial Park - WB 3
Test Date	Nitrate - mg/L NO3 as N
03/10/01	3.75
05/05/01	3.25
06/09/01	3.00
08/18/01	5.25
09/08/01	2.50
11/17/01	2.25
12/08/01	4.00
01/05/02	6.00
02/02/02	3.00
03/10/02	1.25
04/06/02	3.00
05/04/02	5.00
06/01/02	3.50
07/13/02	4.50
08/04/02	6.50
09/07/02	1.90
10/05/02	8.50
11/02/02	9.50
12/07/02	10.50
01/04/03	15.50
02/01/03	17.50
03/01/03	5.50
04/05/03	3.50
05/03/03	3.00
06/07/03	6.00
09/13/03	12.00
10/11/03	11.00
11/01/03	11.00
12/06/03	7.00
01/03/04	7.00
02/07/04	7.50
03/06/04	3.00
04/04/04	3.50
05/01/04	6.50
06/05/04	3.00
07/10/04	0.50
08/07/04	3.50
09/11/04	6.50
10/02/04	9.00
11/06/04	3.50
12/04/04	4.50
01/08/05	5.00
02/05/05	5.50
03/05/05	3.00
04/02/05	4.00
05/07/05	6.00
07/09/05	3.50
08/06/05	3.00
10/01/05	7.50
12/03/05	10.50
01/07/06	9.00
02/04/06	5.50
03/04/06	9.00
04/01/06	5.00
05/06/06	4.50
06/03/06	5.00
08/05/06	3.50
09/02/06	6.50
10/07/06	6.00
12/02/06	3.00
01/06/07	3.00
02/03/07	7.50
03/03/07	2.00
04/14/07	1.50
05/05/07	4.00
06/02/07	4.00
07/07/07	5.50
08/04/07	10.50
09/08/07	6.50
10/06/07	9.00
11/03/07	15.00
12/01/07	11.50
01/12/08	3.00
02/02/08	6.50
03/01/08	4.00
04/05/08	3.00
05/03/08	3.50
06/07/08	5.00
07/12/08	4.00
08/02/08	7.00
09/06/08	3.50
10/04/08	6.50
11/01/08	6.00
01/10/09	4.00
02/07/09	7.00
03/07/09	3.00
04/04/09	2.50
05/02/09	1.50
06/06/09	3.50
07/11/09	5.00
08/01/09	6.50
09/12/09	7.50
10/03/09	5.00
11/07/09	4.50
12/04/09	7.00
01/09/10	5.50
02/06/10	4.50
03/01/10	4.00
04/10/10	2.50
05/01/10	2.40
06/05/10	3.00
07/10/10	4.50
08/07/10	2.00
09/11/10	1.60
10/02/10	7.50
11/06/10	11.50
12/04/10	6.50
01/08/11	7.50
02/05/11	7.50
03/05/11	3.50
04/02/11	5.00
05/07/11	5.00
06/04/11	3.50
07/09/11	7.50
08/06/11	4.50
09/10/11	11.00
10/01/11	5.50
11/05/11	10.00
Illinois EPA limit	7.8