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)
04/16/2018 16:09 29 23 3 7.5 < 1 6.65 77.14 590 20 0.07 0.8
04/05/2018 16:58 24 22 2 6.61 < 1 4 45.6 580 8 0 1.2
04/02/2018 16:05 29.5 27 3 7.5 1 4.2 52.08 6 0 0.35
03/26/2018 15:55 32 26 3 7.5 < 1 8.7 106.14 620 23 0.01 0.5
02/28/2018 17:09 28 22 2 6.9 < 1 5.05 57.57 480 5 0.07 0.61
11/16/2017 17:20 25 21.5 3 7.43 < 1 7.05 79.66 610 18 0
09/25/2017 17:20 27 26 2 7.8 < 1 4.9 59.78 830 30 0 > 1.22
02/02/2017 17:15 14 14 3 9.69 2 9.8 96.04 610 15 0 0.64
01/30/2017 17:13 20.5 16 3 10.41 8.3 84.66 560 13 0 > 1.21 49.95
09/18/2016 17:20 30 29.5 3 8.54 1 6.4 82.56 8 0 1
02/09/2016 17:30 20 16 3 8.3 < 1 13.35 136.17 640 30 0 0.64
01/11/2016 17:00 12 14 3 7.27 < 2 9.1 89.18 660 5 0 0.84
10/19/2015 17:08 26 24 2 7.4 < 10 7.2 84.96 600 30 0 > 1.22
09/21/2015 17:11 34 28 1 7.36 1 6.65 83.79 490 11 0 0.69
06/10/2015 11:15 27 26 5 6.98 < 2 5.8 70.76 730 12 0 0.42
04/29/2015 17:00 24 23 3 8.7 2 5.9 68.44 490 2 0.56 0.65
02/17/2015 17:25 13 16 3 8.11 10 102 830 1 0.01 > 1.22
10/27/2014 17:22 28 25 3 7.92 2 10.6 127.2 560 20 0 0.41
09/10/2014 17:10 34 31 3 8.01 < 1 4.4 58.08 490 4 0 > 0.31
07/14/2014 11:05 30 27 2 7.78 < 1 5.45 67.58 600 10 0 0.62
02/19/2014 17:00 25 18 3 7.93 < 1 7.9 83.74 710 8 0 0.46
01/15/2014 17:04 22.5 15 2 6.49 < 2 14.35 143.5 820 24 0 0.16
11/20/2013 16:50 22 18 3 7.79 9.8 103.88 490 11 0 0.52
09/23/2013 16:50 29.5 25 2 7.36 < 2 6.1 73.2 410 3 0.2 0.61
07/09/2013 09:50 30.5 27.5 3 6.34 < 2 1.7 21.25 440 1 0.1
04/22/2013 17:10 27 23.5 3 7.86 < 1 10 117 590 5 0 0.72
03/27/2013 17:00 23 18 3 8.13 < 1 9.9 104.94 620 7 0 0.87
02/04/2013 17:02 24 17.5 2 7 < 1 9.3 97.65 610 26 0 0.96
10/22/2012 17:05 26 28 3 7.45 < 1 5.3 66.78 690 6 0 > 1.22
09/25/2012 12:06 33 29 2 7.55 < 1 7 89.6 580 9 0 > 1.22
06/11/2012 09:29 29 25 2 7 5.75 69 790 28 0 0.97
02/24/2012 16:50 16 15 2 7.56 < 4 9.07 90.7 870 6 0 > 1.22
02/08/2012 14:59 13 13 1 < 1 8.8 84.48 660 5 0.5 0.59
09/21/2011 16:55 34 26 3 8.45 < 1 9.7 118.34 480 30 0 0.67
09/13/2011 17:05 34 29 2 7.83 < 1 7.1 90.88 470 30 0 > 1.22
07/12/2011 09:30 37 32 3 7.68 < 1 3.9 52.26 510 30 0 > 1.22
05/05/2011 17:00 25 22.5 1 9.12 < 1 10.2 117.3 620 3 0.1 1.03
04/19/2011 16:52 32 25 1 8.31 < 1 8.85 106.2 850 15 0 0.96
04/06/2011 16:55 26 21 3 8.17 < 1 7.4 82.88 500 2 0.15 0.73
01/19/2011 17:02 18 18 2 7.59 1 7.6 80.56 520 3 0.5 0.93
12/01/2010 17:04 16 22 2 < 1 7.3 83.22 680 27 0 > 1.22
09/28/2010 16:50 27 25 3 7.29 < 1 7.2 86.4 570 5 0 0.98
06/21/2010 09:49 27.5 26.5 3 7.72 < 1 5.95 73.19 600 10 0 1.17
02/26/2010 16:40 13 12 3 8.05 < 4 10.8 101.52 640 3 0 > 1.22
11/11/2009 17:05 25 20 3 7.37 < 1 5 55 280 7 0 0.16
07/07/2009 10:40 29 28 2 7.5 < 1 3.15 39.69 540 8 0 > 1.22
06/16/2009 11:07 28 27 2 7.72 < 1 4.8 59.52 470 6 0 1.13
04/08/2009 17:05 28.5 22 2 8.64 < 1 9.45 107.73 480 6 0 > 1.22
02/23/2009 16:50 21 15 2 7.02 < 1 9.37 93.67 530 6 0 1.11
01/30/2009 16:40 20 14.5 2 8.18 < 1 9.05 89.6 460 25 0.05 0.71
10/20/2008 17:00 27 22 2 7.59 < 1 6.9 78.66 470 4 0 0.605
09/23/2008 17:15 30.5 24.5 2 7.8 < 1 8 95.2 460 31 0 > 1.22
09/03/2008 17:17 31 28 2 7.96 < 1 7.6 95.76 500 15 0 > 1.22
07/02/2008 10:45 26 25 3 7.6 < 1 4.68 56.1 430 2 1 .83 0.884
06/16/2008 11:05 30.5 23.5 2 7.96 < 1 6.85 80.15 420 35 0 0.88
04/08/2008 17:05 26 24 1 7.6 1 4.4 51.92 4 0 80
02/13/2008 17:20 17.5 15 3 7.94 < 1 9.15 91.5 670 20 0
12/07/2007 16:44 24 18 2 7.7 < 1 6.6 69.96 690 12 0 1.09
10/17/2007 17:05 32 26 2 8 < 2 8.31 101.32 570 13 0.01 0.65
10/02/2007 16:55 25 27 1 7.6 < 2 6.3 78.12 600 1 0.25 0.8
06/07/2007 10:45 20 24 5 7.8 < 2 600 4 0 > 1.22
03/09/2007 16:40 23 20 2 8.1 < 1 8.9 97.9 730 30 0 0.85
02/05/2007 17:00 14.5 21.5 2 8.2 < 1 10 113 7 0 > .67
12/12/2006 16:50 16.5 16 2 6.8 < 1 8.2 83.64 730 30 0.8
10/23/2006 17:20 17 17 2 7.1 < 1 8.75 91 510 5 0 > 1.22
09/18/2006 16:57 26 29.5 5 7.4 < 2 5.4 380 1 1
07/12/2006 09:45 25 26 2 7.4 < 1 4.1 550 8 0
04/07/2006 16:40 28.5 24 High 7.8 < 1 9.15 107.97 660
02/13/2006 16:50 19 13 Low 7.2 < 2 8.8 84.48 570 3 0
01/23/2006 16:35 19 13 7.5 < 1 6.1 58.56 420
11/18/2005 14:25 15.5 14 No Flow < 1 7 68.6 690 0
10/24/2005 16:55 17 18 No Flow 6.8 < 1 770
10/21/2005 10:25 22 22 No Flow 7 < 1 3.3 37.62 735 7 0 > 1 260
09/29/2005 17:15 20 30 8 < 1 7.5 97.5 730
09/19/2005 16:35 32.5 20.5 Normal 7.1 < 2 5.05 56.06 530
06/30/2005 15:15 34.5 23 Normal 7.25 < 1 5 58 460 30 0 2
06/27/2005 09:40 25 22 Low 7.1 < 1 6.1 69.54 490 20 0
06/09/2005 10:33 27 24 Normal 7 < 1 3.95 46.61 580 6 0
04/04/2005 16:36 27 19 7 1 6.15 66.42 730 4 0
02/25/2005 17:00 13 14 Normal 7.2 < 1 9.1 89.18 320 1
01/25/2005 16:55 24 14 Low 7.1 < 1 9.65 94.57 490 0
10/29/2004 17:09 26 26 Normal 7.5 < 1 9.9 120.78 460 3 5
10/15/2003 11:20 27 22.5 Normal 7.4 < 1 7.4 85.1 500 5 0
11/01/2002 10:30 16 17 Normal 8.1 2 6.9 71.76 780 3 0 .5
11/30/2001 10:15 14 11 Low 8 < 1 9.8 88.2 540
10/30/2001 13:00 22 22 Normal 7.9 < 1 7.6 85.1 560
09/29/2001 14:00 27.5 24 Normal 7.8 < 1 9.2 106.7 580
08/25/2001 13:00 30 26 Normal 7.5 < 1 7.5 90 540
07/12/2001 12:30 31 27 Low 8 < 1 7.4 90.3 530 0
06/16/2001 12:00 27 24 Normal 8.3 < 1 7.7 88.7 530
05/19/2001 11:00 25 23 Normal 8.4 < 1 7.6 86.6 550
04/18/2001 12:00 18 18 Normal 7.6 < 1 7.7 80.1 680
03/29/2001 13:30 18.1 15 High 7 < 1 10 98 560 1
02/17/2001 12:10 8 15 High 7.6 < 1 9.1 89.2 560 2
01/31/2001 12:00 15 15 Normal 7.4 < 1 10 98
12/20/2000 13:00 19 13 Low 7.7 < 1 9.2 86.5
10/31/2000 12:00 27 25 Normal 6.9 < 1 9.1 106.8
09/30/2000 12:00 30 25.5 Normal 8.1 < 1 8.4 100.6 0
08/25/2000 11:30 33 28.5 Low 7.6 < 1 4.4 54.4
07/19/2000 12:30 36 29 Low 7.6 < 1 6.4 80.6 0
06/05/2000 12:20 27 24.5 Normal 7.6 < 1 5.3 61.4
04/18/2000 12:00 24 24 Normal 7.8 < 1 6.1 70.2 0
03/07/2000 12:30 26 21 Normal 7.9 < 1 7.9 86.5
02/09/2000 11:30 19 6 Normal 7.7 < 1 9.8 78.4
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