Klein Creek
Test Date Test Time Water Temp (°C) Dissolved Oxygen - mg/L O2
01/04/03 11.5
02/02/03 1:45 PM 11.8
03/01/03 10:20 AM 10.4
04/05/03 10:20 AM 7.1
05/03/03 5:45 AM 3.3
05/03/03 9:00 AM 7.7
06/05/03 3:15 PM 15 7.8
07/04/03 12:30 PM 18 2.4
08/04/03 4:30 PM 18 2.7
09/27/03 4:30 PM 13 5.4
10/05/03 3:30 PM 10 6.4
11/01/03 11:45 AM 7 7.5
12/06/03 11:00 AM 5 10.1
01/03/04 11:24 AM 7 9.0
02/07/04 10:46 AM 3 10.7
02/29/04 12:25 PM 9 14.0
04/03/04 12:40 PM 13 13.1
05/01/04 12:00 PM 13 8.5
06/05/04 11:00 AM 20 6.5
07/10/04 12:30 PM 25 7.0
08/07/04 10:10 AM 22 6.6
09/11/04 10:00 AM 20 5.9
10/03/04 10:10 AM 13 5.3
11/06/04 12:10 PM 12 6.3
12/04/04 10:00 AM 7 7.5
01/08/05 10:30 AM 3 7.0
02/05/05 10:00 AM 4 10.5
03/05/05 8:45 AM 5 4.8
04/02/05 9:45 AM 9 8.2
05/08/05 12:05 PM 20 13.7
06/04/05 10:15 AM 21 6.1
07/10/05 10:55 AM 26 5.0
08/06/05 10:00 AM 23 6.4
09/03/05 10:36 AM 21 6.8
10/10/05 11:20 AM 16 8.4
11/05/05 11:00 AM 13 11.4
12/03/05 11:30 AM 3 7.0
01/08/06 12:07 PM 6 5.7
02/05/06 11:53 AM 4 8.5
03/04/06 2:30 PM 10 13.9
04/01/06 9:15 AM 8 6.0
05/06/06 8:00 AM 9 10.5
06/03/06 9:00 AM 18 6.5
07/01/06 9:00 AM 21 8.5
08/05/06 9:45 AM 24 4.7
09/02/06 9:30 AM 21 3.2
10/07/06 12:15 PM 15 5.0
12/03/06 8:45 AM 1 2.1
01/06/07 10:25 AM 9 7.5
02/03/07 9:55 AM 0 9.5
03/04/07 9:45 AM 0 7.8
04/15/07 10:20 AM 8 9.1
05/05/07 10:10 AM 15 7.0
06/03/07 11:50 AM 23 7.1
07/14/07 8:10 AM 18 4.3
08/05/07 11:30 AM 25 6.5
09/08/07 10:15 AM 23 6.2
10/06/07 12:30 PM 25 7.2
11/03/07 10:10 AM 9 6.1
12/01/07 10:30 AM 4 8.0
01/05/08 10:20 AM 8 9.7
02/02/08 8:56 AM 7 10.3
03/01/08 9:30 AM 2 10.5
04/05/08 8:35 AM 7 9.3
05/10/08 8:40 AM 11 12.5
05/31/08 10:45 AM 23 5.7
07/06/08 10:30 AM 19 8.2
08/02/08 8:55 AM 23 6.8
09/06/08 9:30 AM 18 8.9
01/03/09 9:55 AM 1 9.1
02/07/09 8:00 AM 5 8.5
03/07/09 7:15 AM 8 9.1
04/04/09 9:20 AM 7 10.6
05/02/09 9:05 AM 13 9.7
06/06/09 7:45 AM 17 6.8
07/04/09 8:30 AM 20 6.7
08/01/09 10:10 AM 21 7.4
09/05/09 9:45 AM 19 9.6
10/03/09 12:35 PM 17 7.2
10/31/09 10:00 AM 13 7.3
12/05/09 10:20 AM 8 10.3
01/10/10 3:20 PM 6 10.8
02/06/10 10:00 AM 6 10.4
03/06/10 10:20 AM 8 11.8
04/03/10 10:45 AM 14 7.2
05/01/10 8:45 AM 10 7.0
06/12/10 9:00 AM 22 2.6
07/03/10 8:30 AM 21 10.3
08/07/10 9:55 AM 24 6.6
09/11/10 10:00 AM 19 6.0
10/02/10 8:45 AM 14 7.1
11/06/10 9:45 AM 9 5.8
12/11/10 9:00 AM 6 9.6
01/08/11 9:40 AM 2 10.5
02/05/11 9:15 AM 2 9.6 ice on river
03/05/11 8:53 AM 5 9.7 river high
04/09/11 8:20 AM 11 8.7 river high
05/07/11 8:20 AM 15 7.6
06/05/11 9:00 AM 22 5.3 2" rain last night
07/10/11 9:30 AM 25 5.8 no rain for 2 weeks
08/06/11 8:45 AM 25 4.7
09/10/11 9:20 AM 20 6.5
10/09/11 9:00 AM 18 6.9
11/05/11 9:30 AM 11 9.4
Illinois EPA minimum 5.0
Text Box: Notes: -ppm and mg/L are equivalent units for Dissolved Oxygen -unlike the other parameters we monitor, DO is influenced by time of day due to algal contributions