Beecher Ave
Test Date	Test Time	Water Temp (°C)	Dissolved Oxygen - mg/L O2
01/04/03			16.0
02/02/03	2:35 PM		11.6
03/01/03	2:35 PM		9.2
04/05/03	11:00 AM		5.7
05/03/03	6:45 AM		5.8
05/03/03	9:20 AM		5.9
06/05/03	4:15 PM	16	8.9
07/04/03	1:30 PM	23	4.5
08/04/03	5:15 PM	18	8.2
09/27/03	5:30 PM	14	10.2
10/05/03	4:14 PM	14	9.0
11/01/03	1:00 PM	7	6.0
12/06/03	12:00 PM	7	10.7
01/03/04	12:15 PM	8	8.6
02/07/04	9:40 AM	1	11.5
02/29/04	1:00 PM	8	12.5
04/03/04	1:15 PM	11	12.0
05/01/04	11:20 AM	12	8.0
06/05/04	10:20 AM	18	7.3
07/10/04	11:40 AM	22	6.0
08/07/04	9:15 AM	18	6.6
09/11/04	10:30 AM	19	6.2
10/03/04	10:40 AM	11	6.8
11/06/04	11:20 AM	13	7.6
12/04/04	10:25 AM	6	8.3
01/08/05	9:50 AM	3	8.5
02/05/05	9:30 AM	4	9.0
03/05/05	9:30 AM	4	6.5
04/02/05	10:15 AM	10	6.4
05/08/05	11:45 AM	19	9.6
06/04/05	9:45 AM	19	6.0
07/10/05	11:20 AM	25	6.0
08/06/05	10:25 AM	23	4.3
09/03/05	11:00 AM	20	6.5
10/10/05	10:30 AM	13	6.8
11/05/05	11:45 AM	12	5.7
12/03/05	10:45 AM	1	8.5
01/08/06	11:31 AM	4	6.7
02/05/06	11:58 AM	4	10.1
03/04/06	1:45 PM	6	12.0
04/01/06	10:00 AM	10	6.2
05/06/06	8:50 AM	11	3.1
06/03/06	9:50 AM	21	5.5
07/01/06	9:45 AM	22	5.6
08/05/06	10:30 AM	23	4.5
09/02/06	11:00 AM	20	8.0
10/07/06	1:00 PM	15	5.5
12/03/06	9:45 AM	1	1.5
01/06/07	9:55 AM	10	7.2
02/03/07	9:05 AM	0	4.0
03/04/07	9:10 AM	1	8.8
04/15/07	9:30 AM	6	8.5
05/05/07	8:55 AM	14	5.3
06/03/07	12:15 PM	23	6.0
07/14/07	8:30 AM	19	5.3
08/05/07	11:50 AM	24	4.8
09/08/07	9:25 AM	20	4.5
10/06/07	12:10 PM	23	6.1
11/03/07	9:20 AM	8	8.1
12/01/07	9:30 AM	1	9.5
01/05/08	10:05 AM	6	9.7
02/02/08	9:20 AM	5	10.0
03/01/08	10:30 AM	2	13.2
04/05/08	7:30 AM	7	9.9
05/10/08	9:15 AM	12	9.5
05/31/08	11:15 AM	22	5.9
07/06/08	11:15 AM	20	4.3
08/02/08	9:50 AM	23	6.5
09/06/08	10:25 AM	18	6.4
01/03/09	10:30 AM	1	11.7
02/07/09	9:10 AM	4	6.7
03/07/09	8:00 AM	8	9.2
04/04/09	8:20 AM	7	11.0
05/02/09	8:15 AM	13	9.2
06/06/09	8:10 AM	17	6.4
07/04/09	9:00 AM	21	6.4
08/01/09	10:35 AM	21	7.2
09/05/09	8:30 AM	18	3.5
10/03/09	12:15 PM	14	7.8
10/31/09	9:15 AM	13	5.5
Illinois EPA minimum			5.0