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)
06/30/2013 17:30 29.5 25 1 7.8 < 1 5.75 69 470 30 0 2.03
04/29/2013 17:45 27 20 1 8.1 < 1 8.38 92.18 420 30 0 1.55 30
03/29/2013 16:12 25 18 1 8.3 < 1 8.5 90.1 480 30 0 1.7
02/26/2013 15:35 18 15 3 8.2 < 1 9.3 93 420 30 0 > 2.1 20
01/28/2013 15:50 24 17 1 8.1 < 1 7.9 82.16 500 19 0 > 2.1
12/19/2012 16:30 25 16.5 1 8 7.2 74.16 500 30 0 > 2.1 50
11/20/2012 16:10 25 17.1 1 8 7.2 75.02 500 30 0 > 1.9
08/23/2012 12:06 28.5 23.5 1 8 7.4 86.58 490 30 0 1.56
07/31/2012 17:15 36 31 1 8.1 < 1 9.95 131.34 420 30 0 1.7
06/28/2012 09:50 30 24 1 8.2 < 1 7.55 89.09 470 30 0 > 2.1 10
05/30/2012 12:10 29 28 1 8.4 < 1 8.45 106.47 450 20 0 > 1.57 10
04/30/2012 13:00 22.5 21.5 2 8.2 < 1 8.5 96.05 470 30 0 > 1.96 30
03/30/2012 12:27 26 23 1 8.6 < 1 9.2 106.72 470 20 0 > 2.15
02/27/2012 16:40 21 16 1 8 10.2 104.04 490 10 0 > 2.2 20
01/30/2012 14:50 16.5 14 1 8.2 < 1 9.95 97.51 480 9 0 > 2 20
12/29/2011 16:10 20 13.5 1 8.2 < 1 9.45 91.66 490 30 0 > 2.1 10
11/30/2011 16:30 18 16.5 1 8 < 1 8.5 87.55 460 30 0 > 2.1
10/24/2011 13:02 28.5 23 1 8.4 < 1 8.37 97.09 430 15 0 > 2.24
09/23/2011 14:25 29 26 3 8 < 1 6.85 83.57 430 30 0 1.94
08/31/2011 17:30 36 27.5 2 8 < 1 6.7 83.75 430 30 0 > 2.2 10
07/27/2011 11:45 31.5 25 2 8 < 1 6.4 76.8 430 171 0 > 2.1
06/24/2011 10:25 27.5 20.5 2 7.6 < 1 4.75 52.72 440 138 0 > 2.1 10
05/27/2011 11:40 31.5 17.5 3 7.8 < 1 6.35 66.68 440 114 0 2.3 10
04/18/2011 15:20 33 16 2 8 < 1 7.1 72.42 440 87 0 > 2.1 40
03/23/2011 16:20 30.5 20.5 3 8.1 < 1 7.4 96.94 440 69 0 > 2.1 10
02/23/2011 15:00 24 15.5 1 8 < 1 7.95 80.3 460 46 0 1.82 30
01/27/2011 15:10 20 12 3 8.2 < 1 8.85 83.19 450 11 0 > .2 30
12/09/2010 13:23 17 14 1 7.9 6.4 62.46 440 128 0 > 2.13 20
11/12/2010 11:50 25 19 1 8 < 1 6.8 73.44 480 69 0.2 > 2.1 40
10/30/2010 15:50 24.5 20 1 8 < 1 8.15 89.65 460 54 0 1.73 20
08/19/2010 12:15 32 20 3 8 < 1 6.1 67.1 460 59 0 > 2.1
07/27/2010 13:35 30 23 1 8 < 1 7.4 85.84 450 40 0 1.89 10
06/17/2010 12:30 30 27.5 2 8 < 1 8.6 107.5 660 8 0 > 2.1
05/19/2010 13:45 29.5 18 2 8.2 < 1 8.9 94.34 450 2 0.4 > 2.1 60
04/24/2010 11:35 22 14 2 8 < 1 8.1 79.38 470 7 0.1 > 2.1 60
03/22/2010 16:20 23.75 18 1 8.5 < 1 10.2 108.12 470 5 0 1.55 70
02/20/2010 16:00 18 12.25 1 8.2 < 1 12.27 115.92 510 30 0 > 2.1 30
01/19/2010 14:45 23 13 1 8.2 < 1 11.75 112.8 470 4 0 > 2.1 30
12/23/2009 12:30 21.5 14 1 8 < 1 10 98 470 33 0 > 2.1 50
11/24/2009 15:45 17 17 1 7.8 < 1 7.3 75.92 430 4 0 > 2.11 10
10/28/2009 14:00 27 21 2 7.9 < 1 7.6 85.12 460 2 2.4 > 1.9 20
09/15/2009 14:30 27 25.5 1 7.7 < 1 4.45 53.85 450 11 1 1.93
08/25/2009 12:45 34 27 1 7.8 < 1 4.65 57.66 460 109 0 > 2.1 40
07/16/2009 12:00 32 23.5 1 7.8 < 1 6.85 80.15 450 84 0 1.8 10
06/26/2009 15:00 35 21 2 8 < 1 7.9 88.48 450 64 0 1.8
05/22/2009 12:15 27.5 18.5 1 8.1 < 1 8.18 87.47 450 38 0 1.95 30
04/25/2009 14:40 24 20 3 8.3 < 1 10.6 116.6 450 8 0 > 2.1 90
03/30/2009 17:35 29 17 3 8.9 < 1 11.67 121.33 450 18 0 > 2.25 80
02/19/2009 16:20 17 15 1 8.6 < 1 10.1 101 440 96 0 > 2.1 10
01/14/2009 17:00 15 12.5 1 8.4 < 1 11.6 110.2 440 8 0 > 2.1 50
12/09/2008 15:25 24.5 15.5 1 8.4 < 1 11.45 115.65 430 63 0 2.1 10
11/10/2008 11:40 23 20 1 8 < 1 8.4 92.4 420 32 0 2 60
10/22/2008 15:30 26 23 3 8 < 1 8.7 100.92 420 15 0 2.13 50
09/10/2008 11:45 28.5 23 3 7.6 < 1 6.5 75.4 420 19 0 > 2.03 70
08/27/2008 12:30 31 24 1 7.8 < 1 7.1 83.78 430 8 0 1.78 240
07/22/2008 11:21 29 21 1 7.8 < 1 7.4 82.88 440 24 0 1.5 20
06/24/2008 15:25 34.5 21.5 2 7.8 < 1 7.44 84.04 440 57 0.8 1.45 160
05/30/2008 15:10 33 20 3 7.9 < 1 7.95 87.45 420 33 9 1.4 0.87
04/30/2008 16:20 29 19 3 8.1 < 1 8.53 92.16 430 3 3.1 1.4 290
03/31/2008 20:00 24 18 1 8 < 1 8.6 91.16 420 13 0 2.1 80
01/20/2008 13:00 20 14 3 8 < 1 8.85 86.73 420 18 0.35 1.56 120
12/21/2007 17:10 17.5 14.5 3 8 < 1 9.6 95.04 430 101 0 1.72 305
11/29/2007 17:40 12.5 15 2 8 < 1 8.95 89.5 410 64 0 2.1 100
10/17/2007 12:25 29 25.5 3 7.8 < 1 6.8 82.28 360 35 0 1.9 10
09/29/2007 14:30 30 28 1 7.2 < 1 4.2 52.92 370 18 0 2.1 40
08/15/2007 12:10 32 28 3 7.5 < 1 3.9 49.14 370 20 0 > 2.1 60
07/30/2007 16:12 32 27 3 7.4 < 1 3.42 42.35 360 5 0 1.6 > 1.2 60
07/10/2007 16:30 32 26.5 5 7.6 < 1 8.5 104.55 300 5 0 > .2 10
05/28/2007 14:30 25.5 14 3 7.8 < 1 8.05 78.89 480 0 1.5 1.4 970
03/28/2007 12:30 24.5 21 1 8.1 < 1 9.2 470 2 3.25 > 2.1 40
01/26/2007 12:30 15 10 1 8 < 1 11.9 107.1 490 19 0.7 > 1 10
12/30/2006 17:10 11.5 13.5 1 8.2 < 1 10.95 106.22 470 40 1 > 2.1 100
11/29/2006 14:00 24 20 1 8.2 < 1 9.3 102.3 460 30 0 > 2.1 410
10/19/2006 15:00 20.5 24 Dry 8 < 1 7.6 460 0.5 > 2.1 > 1 420
09/28/2006 16:00 28.5 24 3 7.9 < 1 6.7 460 0 2.1 20
08/30/2006 16:50 33 24 7.8 < 1 7.5 88.5 460 103 0 2.1 360
07/21/2006 11:15 29.5 22 Normal 8.2 < 1 9.2 104.88 470 73 0 2.1
06/29/2006 18:45 34 20 Normal 8.2 < 1 10 110 440 52 0 > 2.1 70
04/06/2006 15:00 29 19 No Flow 8.4 < 1 12.9 139.32 450 34 0 > 2.1 200
02/27/2006 13:40 21 15 Low 8.2 < 1 13.4 134 430 28 0.56 2 80
01/30/2006 16:00 19 14 No Flow 8.4 < 1 11.25 110.25 420 2 1.6 > 2.1 130
12/10/2005 10:00 11 11.2 Low 8.2 < 1 10.6 97.94 460 71 0 > 2.06 120
11/23/2005 12:15 25 16 No Flow 8.2 < 1 9.6 97.92 440 61 0 > 2.06 > 1.22
10/29/2005 12:50 20 19 No Flow 8 < 1 7.45 80.46 430 38 0 2.1 40
09/19/2005 29.5 21 Normal 7.6 < 1 5.9 66.08 430 8 0 2.1 60
08/31/2005 16:25 36 22 Normal 7.8 < 1 6.25 71.25 430 26 0 1.8 > 1.2 30
06/27/2005 15:45 32 20 Normal 8.1 < 1 7.65 84.15 420 30 0 2.4 100
05/31/2005 13:30 29 24 No Flow 8 < 1 7.93 93.61 420 3 0.8 2 950
04/20/2005 15:25 25 17 Normal 8.2 8.3 86.32 410 45 0
01/03/2005 09:15 21 16 Normal 8 < 1 8.3 84.66 410 41 0.5 1.3 140
12/31/2004 16:20 24 17 Normal 8.2 < 1 9.55 99.32 400 39 0 > 2.1 170
12/07/2004 13:50 19 17 Normal 8 < 1 8 83.2 370 16 0.45 .5 120
11/24/2004 17:10 15 17.7 Normal 8 < 1 7.65 80.63 360 3 1.8 > 1 110
10/13/2004 12:00 24 23.5 Normal 7.9 < 1 5 58.5 420 10 0 > 2.1 10
09/17/2004 14:50 33 26 Low 7.7 < 1 4.2 51.24 440 100 1 > 2 30
08/06/2004 17:00 35 25 Normal 8.1 < 1 7.7 92.4 440 9 0 > 2 100
07/12/2004 15:30 32 22.5 Normal 8.2 < 1 8.1 93.15 450 12 0 > 2 80
06/26/2004 19:25 21 18 Normal 8 < 1 6.45 68.37 430 0 3 .48 200
06/26/2004 19:25 21 18 Normal 8 < 1 6.45 68.37 430 0 3 .48 210
05/18/2004 17:45 29.5 17 Normal 8.2 < 1 9.3 96.72 450 3 0.95 > 2.1 490
04/12/2004 15:00 17.5 17 No Flow 8 < 1 8.2 85.28 440 1 2 > 2.1
03/09/2004 16:15 23 16 No Flow 8.5 < 1 10 102 430 5 0 > 2.1 20
02/24/2004 16:30 16 15 Normal 7 < 1 9 90 440 15 1.2 > 2
01/13/2004 13:15 14 13 Normal 8.8 < 1 8.8 84.48 440 6 0 > 2
01/05/2004 17:45 8.5 15 No Flow 8.8 < 1 10 100 440 29 0 > 1.8
12/14/2003 15:00 16.5 14 No Flow 8.5 < 1 9.7 95.06 410 20 1 > 2.1
11/12/2003 12:00 22 18 Low 8.3 < 1 7.2 76.32 430 17 0 > 2.1 850
10/24/2003 16:30 29 23 Low 8.3 < 1 8.1 93.96 410 33 0 100
09/04/2003 12:00 28 20 Normal 8.1 < 1 6.05 66.55 400 4 0 > 2 4
08/21/2003 17:45 32 20 Normal 8 < 1 6.3 69.3 420 8 0 > 2 3.5
07/14/2003 11:00 30 17.5 Normal 8.1 < 1 7.6 79.8 430 10 0 > 1.8 10
06/18/2003 14:00 29 17.5 Normal 8.1 < 1 7.7 80.85 430 4 0 > 3 90
05/14/2003 15:25 33 18 Normal 8.3 < 1 8.15 86.39 1 0.4 .2
04/22/2003 15:00 19.5 14 Normal 8.1 < 1 9.2 90.16 410 0 0.15 1.45
03/12/2003 14:00 23 13.5 No Flow 8.4 < 1 10 97 400 15 0 > 1.98 100
02/27/2003 17:00 14 12 Normal 8.3 < 1 10.5 98.7 410 7 0.5 1.47 10
02/10/2003 14:30 21 13.5 No Flow 8.6 < 1 12.9 125.13 410 4 0 > 1 10
01/15/2003 11:15 5 12.5 Normal 8.2 < 1 9.9 94.05 430 3 0.65 > 1 110
12/19/2002 15:30 17 14.5 Low 8.2 < 1 380 10 0 > 1.77 20
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