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)
07/13/2013 13:00 Dry 30
04/28/2013 14:20 30 25 1 5.75 69 710 7 0 .2
03/17/2013 14:00 25 21 1 8 7 78.4 670 7 0 .2
02/24/2013 15:10 23 16 1 8 8 81.6 700 30 0 .2
01/27/2013 14:25 24 26 1 8 6.95 84.79 650 21 0 .3
12/29/2012 14:30 10 9 1 8 11.1 79.7 780 30 0 .3
11/18/2012 14:15 20 16 1 8 8.1 82.62 620 30 .5
10/21/2012 13:40 30 25 1 8 5.95 71.4 560 30 0 .35
09/25/2012 10:15 26 26 1 8 4.95 60.39 620 7 0 .4
08/26/2012 13:50 35 28 1 8 5.1 64.26 550 8 0 .3
07/24/2012 11:33 32.5 29 1 8 4.95 63.36 570 30 0 .4
06/18/2012 10:10 28 28 1 8 5.95 74.97 540 30 0 .4
05/27/2012 13:00 31.11 1 12 0
03/31/2012 10:00 25 6 0
02/19/2012 13:00 22 6 1 2
01/18/2012 14:30 21.6 6 30 0
12/20/2011 13:00 11.1 6 3 0.5
11/22/2011 09:00 22 6 30 0
10/26/2011 15:00 32 6 15 0
09/26/2011 14:00 40 6 30 0
08/14/2011 13:40 37 30 1 8 5.35 69.55 500 44 0 .25
07/17/2011 14:10 37 29 1 8 4.8 61.44 500 27 0 .4
06/12/2011 14:00 36 28.5 1 8 5.1 64.77 540 134 0 .4
05/22/2011 14:00 30.5 26.5 1 8 5.7 70.11 540 114 0 .7
04/17/2011 14:00 28 21 1 8 6.3 70.56 550 73 0 .5
03/27/2011 11:30 13.5 18 1 8 7.75 82.15 550 53 0 .6
02/13/2011 14:00 19 10 1 8 9.05 81.45 550 9 0 .7
01/08/2011 13:35 14 11.5 1 8 9.73 90.49 520 15 0 .7
12/19/2010 11:00 11 11 1 8.5 9.3 85.56 520 95 0 .6
11/20/2010 14:47 23 17 1 8 7.15 74.36 510 66 0 .6
10/07/2010 13:00 22 24 1 8 6.35 74.93 490 22 0 .9
09/16/2010 14:20 31 30 1 8 5.6 72.8 500 9 0 .4
08/08/2010 16:20 37 32 1 4.9 65.66 480 31 0 .6
07/18/2010 16:55 36 32 1 8 7.55 101.17 490 9 0 1.4
06/20/2010 14:50 35 30 1 8 5.85 75.99 500 17 0 1.4
05/15/2010 14:00 26 24 1 8 7.38 87.03 560 1 1 .4
04/10/2010 14:30 25 20 1 8 6.55 72.05 580 8 0 .48
03/07/2010 14:15 15 14 1 8.5 8.55 83.79 630 4 0 1.3
02/04/2010 15:00 8 8.5 7.5 9.05 78.74 490 1 1.5 .18
05/15/2009 07:00 24 25 1 8 7.2 86.4 480 15 0 .25 10
04/11/2009 08:00 17 16 8 8.4 85.68 520 20 0 .5
03/09/2009 08:00 19 18 1 8 7.8 82.68 530 100 0 .5
02/07/2009 08:00 16 12 7.5 8.8 82.72 530 10 0 .5
01/07/2009 08:00 5 10 1 7.5 7.8 70.2 510 2 0.1 .5 10
12/11/2008 08:00 1 10 7.5 7.9 71.1 480 3 0.1 .5
11/07/2008 07:30 12 18 8 7.4 78.44 470 100 0 .5
10/02/2008 08:00 18 24 8 6.4 75.52 470 50 0 .5
09/06/2008 08:30 22 28 3 8 6.5 81.9 470 6 0 .5 10
08/08/2008 08:00 24 28 8 6.1 76.86 470 30 0 1
07/10/2008 08:30 26 28 3 8 4.8 60.48 470 2 0.25 .5
06/05/2008 07:15 26 27 3 8 6.1 75.64 490 10 0 .5
05/08/2008 08:00 17 22 3 8 6.7 76.38 510 1 0.1 1
04/08/2008 07:45 20 19 3 8 7.2 77.76 560 0 0.1 .75
03/13/2008 10:00 16 13 3 8 8.5 81.6 520 5 0 .75
02/09/2008 08:00 8 12 3 7.5 9 500 10 0 1
01/07/2008 08:00 17 11 3 8 8.9 81.88 470 10 0 1
12/08/2007 08:00 19 15 3 8 8 80 440 15 0 1 10
11/03/2007 08:00 16 20 3 8 8.4 92.4 440 30 0 1 10
10/09/2007 08:00 23 28 3 7.5 5.9 74.34 460 10 0 1 10
09/05/2007 07:15 24 28 3 7.5 4.3 54.18 490 1 1 .75 40
08/09/2007 07:40 26 30 3 7.5 5.4 70.2 450 10 0 .75 30
07/09/2007 07:30 24 27 3 7.1 5.3 65.72 360 1 1 .25 30
06/05/2007 08:00 24 27 1 7.5 6.8 84.32 410 1 1 .5 30
05/05/2007 08:00 22 22 3 7.5 5.6 63.84 310 2 1 < 50
04/01/2007 09:00 16 18 5 5.6 59.36 390 2 3.5 240
03/03/2007 10:30 8 12 3 7.5 8.6 80.84 640 30 0 .25 10
02/05/2007 15:00 12 10 8 9.7 87.3 580 10 0 .5
01/06/2007 07:45 7 10 1 8 9.3 83.7 640 2 2 < .5
12/09/2006 07:45 8 10 1 7.5 8.1 72.9 580 10 0 .5
11/05/2006 07:30 18 16 1 7.5 8 81.6 550 30 0 .5
10/05/2006 09:00 22 26 2 8 7.6 92.72 520 10 0 .5
09/08/2006 08:00 23 27 No Flow 8 7 86.8 7 0 1.5
08/07/2006 09:30 29 30 No Flow 8 6.1 79.3 530 30 0 .5
07/05/2006 08:30 24 28 Low 8 6.2 78.12 530 100 0 .5
06/08/2006 08:30 25 28 No Flow 8 6.2 390.6 530 10 0
05/08/2006 09:00 21 24 Low 8 5.8 68.44 580 0 3 .5
04/10/2006 07:45 17 14 Low 7 7.7 75.46 560 6 0 .5
03/04/2006 10:30 18 15 Normal 8 9.9 99 530 10 0 .75
02/04/2006 11:04 12 13 Low 7.5 7.7 73.92 560 9 0 .75
01/14/2006 10:00 9 12 Low 8 9.5 89.3 540 100 0 .75
12/03/2005 08:00 14 No Flow 7.5 490 30 0 .75
11/14/2005 07:45 19 21 No Flow 8 8.2 91.84 500 30 0 1.25
10/09/2005 07:30 18 24 No Flow 7.5 6.6 77.88 480 2 0.1 .75
09/08/2005 08:15 25 28 No Flow 8 5.3 66.78 480 30 0 .5
08/07/2005 07:45 25 29 No Flow 7.5 6.5 83.2 500 2 0.2 1
07/11/2005 09:30 28.5 30 Normal 8 5.7 74.1 510 5 0
06/16/2005 08:30 27 29 Normal 7 7.5 96 500 20 0 1.3
05/09/2005 11:15 22 20 Normal 7 7.6 83.6 580 0 1.6 .7
04/09/2005 09:00 17 16 Normal 8 8.5 86.7 630 7 0 .8
03/07/2005 10:45 17 15 Normal 7.5 8.9 89 510 0 0.9 .25
02/05/2005 09:30 10 10 Normal 7.5 9.5 85.5 460 0 1.5 .7
01/18/2005 11:20 10 11.5 7.5 9.5 88.35 430 .5
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