LCRA LogoColorado River Watch Network (CRWN) Water Quality Data

Date Time Air Temp (C) Water Temp (C) Flow pH Nitrates-N (mg/L) DO Avg (mg/L) DO % Sat Cond (µS/cm) Days Since Rain Field Rain Gauge (in.) Secchi (M) Transparency (M) E.coli (cfu's)
09/08/2011 17:11 35 22 1 7.79 < 1 5.45 62.13 640 30 0 1.02
05/06/2009 16:53 30 26 2 8.39 < 1 6.5 79.3 720 9 0 1.16
02/11/2009 17:20 21 17.5 3 7.82 < 1 8.9 93.45 320 1 6 0.9
05/07/2008 16:40 29 22.5 3 8.01 2 7.55 86.83 640 3 0.5 > 1.22
03/26/2008 16:55 26.5 21.5 3 8.3 < 1 11.75 132.78 680 8 0 > 1.22
02/05/2008 16:50 22 16 1 8.16 < 1 8.3 84.66 710 10 0 > 1.22
12/06/2007 16:45 19 16 5 7.77 < 2 7.3 74.46 820 14 0
11/14/2007 16:50 14 21 2 8.1 < 2 7.35 82.32 23 0 > 1.22
07/09/2007 10:20 27 25 3 7.8 < 1 6.45 77.4 660 3 5 > 1
04/18/2007 17:00 22 21 3 8 < 1 7.4 82.88 590 1 0.45 > 0.82
12/06/2006 17:12 20 14 3 8 < 1 9.25 90.65 700 15 0 > 1.22
11/02/2006 16:43 13 15.5 2 7.1 < 2 8.15 82.32 670 8 0.01 .46
10/03/2006 16:43 30 26 2 7.1 < 1 7.3 550 30 0 1.216
06/22/2006 09:03 27 25 Normal 7.4 < 1 5.35 64.2 350 0 0
04/13/2006 17:00 25 21 Low 8.8 < 1 9.9 110.88 740
02/08/2006 17:00 17 15 Normal 8.5 < 2 10.4 104 510 6 0
01/18/2006 16:55 20 13 Normal 7 9.4 90.24 700
11/15/2005 16:45 19 18.5 Low < 1 7.6 81.32 790 0
10/13/2005 17:15 26 23 Low 7.3 < 2 7.15 82.94 560
09/07/2005 17:15 30 26 Normal 7.4 < 1 7 85.4 650
07/05/2005 09:50 27 27 Low 7.1 590 32 0
06/08/2005 09:52 26 25 Normal 7.4 < 1 7.05 84.6 690 5 0
04/06/2005 17:00 25 19.5 Normal 7.3 < 1 7.7 83.93 630 1 0.2
02/09/2005 17:00 13 14 High 7.5 < 2 8.95 87.71 430 2 0.5
01/12/2005 16:55 22 25.5 normal 7 < 2 410 0
11/10/2004 17:11 23.5 20 Low 7.5 < 1 9.8 107.8 360 8 0
10/19/2004 17:11 29 39 Low 7 < 1 6.25 92.5 560 4 0.25
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