St. Joseph's Creek - EB 4
Test Date	Chloride - mg/L Cl
01/22/00	440.0
02/05/00	900.0
02/19/00	1250.0
03/04/00	320.0
03/18/00	345.0
04/01/00	297.5
04/15/00	325.0
05/06/00	205.0
05/13/00	165.0
06/03/00	160.0
06/17/00	110.0
07/08/00	157.5
07/22/00	127.5
08/05/00	107.5
08/19/00	90.0
09/09/00	265.0
09/23/00	140.0
10/21/00	165.0
11/04/00	70.0
12/02/00	150.0
01/13/01	810.0
02/10/01	300.0
04/07/01	247.5
07/07/01	955.0
10/20/01	92.5
01/19/02	122.5
04/20/02	115.0
07/27/02	75.0
10/19/02	135.0
01/04/03	315.0
04/05/03	257.5
11/01/03	97.5
04/04/04	205.0
07/10/04	180.0
10/02/04	112.5
01/08/05	415.0
04/02/05	267.5
07/09/05	227.5
10/01/05	125.0
01/07/06	345.0
04/01/06	315.0
07/01/06	130.0
10/07/06	82.5
01/06/07	82.5
04/14/07	210.0
07/07/07	167.5
10/06/07	95.0
01/12/08	440.0
04/05/08	447.5
07/12/08	120.0
Illinois EPA limit	500.0