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)
02/05/2024 17:05 19 16 3 7.5 2 7.6 77.52 630 2 1.56 > 1.22
01/31/2024 09:20 11 13 3 8 3 7.2 69.12 680 6 0 > 1.22
01/19/2023 02:00 18 15 3 8.2 < 2 8.4 84 580 30
04/04/2022 17:00 24.5 22 2 7.8 < 2 6.2 70.68 620 7
10/22/2021 09:35 20 21 3 7.55 1 5.9 66.08 610 8 0 1.22
02/04/2021 17:54 18 10 3 7.7 2 8.8 79.2 580 14 0
09/24/2020 18:50 22 21 3 8.8 < 4 5.85 65.52 570 2 0.6
02/24/2020 17:15 18 17 3 7.8 2 7.85 81.64 350 3 0.24 1.17
10/03/2018 17:05 30 25.5 2 7.43 < 1 4.35 52.64 560 2 0.18 > 1.22
04/16/2018 17:05 26 19 3 8.5 < 2 7.35 79.38 650 15 0 > 1.22
04/04/2018 17:02 20 21 2 7.32 < 1 7.85 87.92 690 7 0 > 1.22
02/26/2018 17:05 17 16 3 8.1 < 1 7.5 76.5 620 3 0.02 > 1.22
01/31/2018 17:10 22 28.5 2 7.52 < 2 8.55 108.58 640 15 0 1.2
10/30/2017 17:15 20 16 3 8.2 1 7 71.4 610 15 0 > 1.22
10/18/2017 17:05 19 19.5 3 7.32 < 2 5.8 63.22 660 14 0 > 1.22
09/21/2017 17:10 30 27 3 7.65 < 1 4.62 57.29 610 25 0 > 1.22
04/26/2017 17:05 27.5 23 3 7.19 < 1 4.8 55.68 700 4 0 > 1.22
02/16/2017 17:10 16 7 3 7.71 < 2 630 2 1.24 > 1.22
02/01/2017 17:00 24 17 3 7.21 < 4 6.75 70.2 660 3 0 > 1.22
10/27/2016 17:15 22.5 22 3 7.5 < 1 4.55 51.87 670 4 0 > 1.22
09/22/2016 17:20 30 25 3 7.57 < 2 4.8 57.6 650 14 0 > 1.22
06/14/2016 10:32 26.5 23.5 3 7.84 < 2 5.85 68.44 780 10 10 > 1.22
10/29/2015 16:50 24.5 19.5 3 7.2 2 5.8 63.22 710 4 0 0.98
10/01/2015 16:45 31 24 2 7.38 1 5.35 63.13 650 6 0 1.22
09/27/2015 11:30 25.5 22 3 7 < 1 8.45 96.33 470 30 0.27 > 1.22
08/23/2015 11:38 30 25.5 3 8 2 6.65 80.46 570 30 0.26 > 1.22
07/26/2015 09:34 25 24.5 3 7 < 1 8.5 101.15 650 30 0 1.22
06/09/2015 09:25 26 23.5 3 7.54 < 2 6.65 77.81 650 16 0 > 1.2
04/22/2015 11:00 23 19 3 7 < 1 11.25 121.5 700 4 0 1.22
02/12/2015 16:40 14 15 3 7.76 < 4 9.25 92.5 640 10 0 > 1.22
01/28/2015 11:00 22 14 5 7 4 14.95 146.51 700 5 0 1.22
01/04/2015 11:55 11 12 4 7 1 15.9 149.46 550 1 1.59 1.22
10/23/2014 16:45 25 21.5 3 7.74 1 4.75 53.68 660 12 0 > 1.22
09/11/2014 16:50 32 28 2 7.84 < 1 5.3 66.78 620 5 0 0.5
07/02/2014 11:10 29.5 25 3 7.08 1 6 72 660 7 0
06/16/2014 13:01 28.5 24.5 3 7 4.1 48.79 650 5 0 > 1.22
06/10/2014 12:30 26.5 23 3 7 4.3 49.88 490 1 0.54 > 1.22
04/24/2014 16:41 28 24 3 7.77 < 2 5.18 61.12 680 10 > 1.22
03/25/2014 07:31 5 12 3 7 < 1 5.5 51.7 700 30 0.29 > 1.22
01/12/2014 12:24 20.5 10 3 7 10 90 710 3 0.5 > 1.22
11/09/2013 13:04 8.5 10 1 7 7.2 64.8 740 3 0.33 > 1.22
10/17/2013 16:51 19.5 19.5 5 7.71 < 2 7 76.3 490 1 0.5 > 1.22
10/13/2013 14:20 25 18.5 1 7 < 1 5.47 58.53 720 1 2.05 > > 1.22
09/14/2013 12:20 31 24.5 2 7 < 1 1.2 14.28 630 7 0 > 1.22
08/03/2013 10:42 31 25 2 7 < 1 1.27 15.24 540 10 0 > 1.22
07/20/2013 08:16 24 24 3 7 < 1 3.5 580 4 2.5 > 1.22
06/25/2013 10:55 30 26 2 7.4 < 1 4.1 50.02 600 7 0 > 1.22
06/15/2013 10:45 27.5 24.5 2 7 < 1 4.7 55.93 630 30 0 > 1.22
05/18/2013 10:42 20 25 3 7 < 1 4.75 57 640 5 0.5 > 1.22
04/21/2013 09:30 15.5 14 2 7 < 1 6.5 63.7 680 3 1 > 1.22
03/11/2013 11:42 12.5 12 3 8 < 1 8.1 76.14 400 1 0.87 > 1.22
03/07/2013 16:38 21 16 2 7.85 < 1 8.9 90.78 620 25 0 > 1.22
01/31/2013 16:37 18 13 3 7.85 < 1 9.3 89.28 610 22 0.02 > 1.22
01/24/2013 08:42 17 14 2 7 < 1 6.97 68.31 690 14 0 > 1.22
12/09/2012 13:06 25 19 3 7 < 1 5.6 60.48 710 30 0 > 1.2
12/06/2012 16:40 20 16 3 7.78 < 1 6.25 63.75 680 30 0
11/10/2012 10:00 22 19 3 7 1 6.1 65.88 660 14 0 > 1.2
10/01/2012 08:05 15 19 2 7 < 1 6.2 66.96 500 1 3 > 1.2
09/12/2012 17:10 32 25.5 2 7.24 < 2 3.9 47.19 650 26 0 > 1.22 133.2
09/06/2012 16:40 34 27.5 3 7.15 < 1 3.5 43.75 630 20 0 > 1.22
08/25/2012 11:35 30 25 2 7 < 1 4.6 55.2 620 7 1 > 1.2
07/19/2012 07:30 22 23.5 3 7 < 1 5 58.5 610 4 0 > 1.22
06/08/2012 15:54 27 25 3 7.5 < 1 5.3 63.6 650 21 0 > 1.22
04/19/2012 16:36 28 21.5 2 7.59 < 1 8.9 100.57 650 16 0 > 1.22
03/08/2012 16:27 20 20 3 7.76 < 1 6.3 69.3 710 19 0.01 > 1.22
02/09/2012 16:45 14 15 3 < 1 11.4 114 700 6 0 > 1.22
01/21/2012 15:20 14 14 3 7.5 < 1 9.8 96.04 690 9 0 > 1.2
11/09/2011 16:57 10.5 17 2 7.16 < 1 6.2 64.98 820 30 0.05 1.18
10/27/2011 16:35 22 21.5 1 7.29 < 1 2.85 32.2 850 19 0 > 1.22
10/06/2011 17:00 32 Dry 30
10/04/2011 17:16 29 6 30 0
09/08/2011 16:45 32 6 30 0
07/27/2011 18:15 Dry 35 0
06/07/2011 10:55 32.5 25.5 2 7.59 < 1 4.15 50.22 620 20 0.05
06/05/2011 13:15 36.5 25 2 7.5 < 1 .9 10.8 610 22 0 > 1.2
04/07/2011 16:34 27 22 3 7.08 < 1 3 0.15 > 1.22
03/24/2011 16:32 27.5 22 2 < 1 7.1 80.94 670 28 0 > 1.22
02/16/2011 16:59 21 19 3 7.93 < 1 9.25 99.9 640 7 0 > 1.22
01/29/2011 17:00 19 14.5 3 7.5 < 1 9.9 98.01 660 13 0 > 1.2
12/12/2010 17:00 11 10 2 7.5 < 1 7.5 67.5 700 40 0 > 1.2
11/18/2010 16:45 14.5 14 2 7.66 < 2 8.2 80.36 690 14 0 > 1.22
09/30/2010 16:42 29 22 3 7.72 < 1 6.17 70.34 660 6 0 1.2
09/19/2010 14:10 25 24.5 5 7.5 < 1 6.25 74.38 630 1 0.3 > 1.2
08/08/2010 18:25 30 27.5 2 7.5 < 1 3.8 47.5 600 10 0 > 1.2
06/28/2010 09:45 24 27 3 7.57 < 1 5.73 71.05 6.7 10 0 > 1.22
05/26/2010 18:30 26.5 24.5 3 7.5 < 1 5.5 65.45 640 18 0 > 1.2
04/18/2010 17:30 17 18.5 5 7.5 < 1 7.55 80.79 420 3 1.5 > 1.2
04/08/2010 16:37 22 19 3 7.7 < 2 7.6 82.08 730 5 > 1.22
02/20/2010 17:15 17 16 5 7.5 < 1 8.85 90.27 720 9 0 > 1.2
01/21/2010 16:45 18 18 3 7.99 < 2 8.55 90.63 710 6 0 > 1.22 149.75
01/17/2010 16:30 14 14 5 7.5 < 1 8.5 83.3 1 2.1 > 1.2
11/22/2009 16:00 15 17 5 7.5 < 1 7.1 73.84 2 2 > 1.2
11/16/2009 16:55 14 16 3 7.85 < 1 6.75 68.85 7 8 0.05 1.13 816
09/17/2009 17:00 25 23 3 7.9 < 1 6 69.6 690 5 0 > 1.22
08/16/2009 14:37 35.5 27 2 7.5 < 1 1.5 18.6 760 5 0 > 1.2
06/28/2009 16:00 37 29 2 7.5 < 1 1.7 21.76 630 14 0 0.75
06/24/2009 09:25 29 26 2 7.75 < 1 3.5 42.7 620 14 > 1.22
05/24/2009 18:50 26 22 3 7.5 < 1 6.1 650 8 0.1 > 1.2
04/15/2009 16:55 27 19 3 8.11 < 1 10.2 110.16 630 4 > 1.22
04/12/2009 17:40 25 20 3 7.5 < 1 7 77 560 0 0.25 > 1.2
02/05/2009 16:35 22 15 2 8.15 < 1 10.6 106 640 31 0 > 1.22
01/18/2009 14:10 22 12 3 7.5 < 1 7 700 14 0 > 1.2
01/15/2009 16:35 12.5 10 2 8.12 1 12.6 113.4 340 10 0 > 1.22
11/20/2008 17:05 18 16 2 7.94 < 1 6.8 69.36 720 30 0 > 1.22
11/11/2008 16:55 27 20 2 7.92 < 1 8.05 88.55 460 15 0
11/09/2008 16:40 20 14 2 7.5 < 1 5.3 51.94 690 14 0 > 1.2
10/23/2008 17:00 19 18 3 8.09 < 1 8.2 670 7 0.05 > 1.22
09/28/2008 17:30 29.5 21 1 7.5 < 1 .35 3.92 640 35 0 > 1.2
09/04/2008 16:53 32 27 1 8.06 < 1 9.1 112.84 590 16 0 > 1.22
07/28/2008 19:15 34 26.5 2 7.5 < 1 3 36.9 580 4 0 > 1.2
07/01/2008 10:40 29.5 24.5 2 7.86 < 1 6.9 82.11 640 11 0 > 1.22
06/22/2008 16:15 34.5 25 3 7.5 < 1 4.1 49.2 390 1 0.5 > 1.2
06/10/2008 10:35 30 26 2 7.59 < 1 7.1 86.62 660 29 0 > 1.22
05/07/2008 17:37 29 22 3 7.5 < 1 5.8 66.12 690 10 0 > 1.2
04/26/2008 17:30 24.5 21.5 3 7.5 < 1 6 67.8 420 1 0.5 > 1.2
02/25/2008 17:35 28.5 18 3 7.5 < 1 7.95 84.27 700 5 0 > 1.2
01/31/2008 16:35 0 10 3 7.93 < 1 10.2 91.8 500 6 0 0.91
12/28/2007 16:40 11 11 3 7.5 < 1 9.55 87.86 730 14 0 > 1.2
11/02/2007 17:40 22 17 3 7.5 < 1 6.25 65 680 11 0 > 1.2
11/01/2007 16:31 21 22 3 7 < 2 8.1 92.34 670 11 0
10/11/2007 16:35 26 24 2 1 8.5 100.3 670 5 0 0.92
09/22/2007 19:10 26 23.5 3 7.5 < 1 5.8 67.86 610 12 0 > 1.2
07/14/2007 17:50 27 24.5 7.5 < 1 6.4 700 14 0 > 1.2
07/09/2007 09:30 27 24 3 7.8 < 1 5 59 720 3 0.5 > 1.22
06/30/2007 11:40 28.5 24 3 7.5 < 1 7.15 84.37 700 2 1 > 1.2
05/27/2007 16:41 21.5 22 4 7.5 < 1 7.85 89.49 690 0 0.5 > 1.2
04/12/2007 17:00 22 20 3 7.9 2 8 88 690 2 0.04 > 1.22
03/31/2007 16:25 23 20.5 3 7.5 < 1 7.6 84.36 550 1 1 > 1.2
02/15/2007 16:51 7.5 7.5 3 8.01 1 11.25 95.63 630 0 0 > 1.22
01/25/2007 16:50 15 13.5 3 8.1 < 2 10 97 1 0.15 > 1.22
01/07/2007 13:45 14 14 3 7.5 < 1 9.1 89.18 770 1 0.1 > 1.2
12/07/2006 16:50 15.4 13 3 7 < 1 9.2 88.32 250 15 0 1
11/12/2006 14:50 20 14.5 3 7.5 < 1 9.25 91.58 730 8 0 > 1.2
10/26/2006 17:00 27 20 3 7.7 < 2 7.7 84.7 500 1 1 > 1.2
10/22/2006 16:00 18 16.5 3 7.5 < 1 8.8 90.64 680 4 0 > 1.2
09/30/2006 18:30 30 24 2 7.5 < 1 5.5 64.9 630 7 0 > 1.2
09/28/2006 16:58 28 23 3 7.4 2 8 92.8 680 5 0 > 1.22
08/20/2006 18:20 33.5 27 Low 7.5 < 1 1.6 19.84 550 0 > 1.22
07/29/2006 17:00 35.5 28 Low 7.5 < 1 4.75 59.85 630 14 0 > 1.22
06/17/2006 16:26 29 25.5 Flood 7.5 < 1 6.65 80.47 240 0 1.5 0.21
06/15/2006 09:50 26.5 24 Low 7.4 4.35 51.33 600 15 0
05/29/2006 16:32 24 7.1 Low 7.5 < 1 7.1 59.78 620 14 0 > 1.22
04/23/2006 16:00 29 23 Normal 7.5 < 1 7.55 87.58 650 3 1.5 > 1.22
04/18/2006 17:00 27 25 Low 7.8 < 1 7.8 93.6 570 0
03/30/2006 17:10 25 21 Normal 7.9 < 2 9.1 101.92 630 2 1.25
03/18/2006 12:50 15 7.1 Flood 7.5 < 1 7.05 59.36 660 1 0.4
02/26/2006 15:00 17.5 14 Normal 7.5 < 1 9.1 89.18 560 1 0.5 > 1.22
02/09/2006 16:59 19 13 Normal 7.7 < 1 13.2 126.72 660
01/19/2006 16:50 19 17 Low 7.8 < 1 8.7 90.48 710 0.05
01/17/2006 12:30 13.1 11.4 Low 7.5 < 1 6.9 64.03 750 30 0
12/12/2005 12:30 18.5 10.5 Low 7.5 < 1 7.85 71.44 730 14 > 1.22
11/13/2005 15:30 27.5 21.5 Low 7.5 < 1 5.65 63.85 700 14 0 > 1.22
10/21/2005 16:30 22.5 22 Normal 7.1 2 8 91.2 710
10/18/2005 17:15 28 21 Low 7.5 < 1 6.9 77.28 650 10 0 > 1.22
10/06/2005 17:20 23 Normal 7.1 < 1 620
09/18/2005 16:00 34 27 Low 7.5 < 1 4.8 59.52 650 7 0 > 1.2
09/16/2005 16:35 27.34 25.25 7.4 < 1 6.4 77.12 640
08/25/2005 05:15 28 26 < 2 8 97.6
08/14/2005 16:30 34 26.5 Low 7.5 < 1 2.9 35.67 650 7 0 > 1.2
07/09/2005 17:00 33 26 Low 8 < 1 5.75 70.15 620 2 0.6 > 1.2
06/14/2005 09:50 26 24 Low 7.2 < 1 5.85 69.03 680 10 0
05/15/2005 16:35 27 22 Normal 8 < 1 6.65 75.81 690 7 0.01 > 1.2
04/20/2005 16:55 24 21 Normal 7.3 < 1 7.15 80.08 650 0
04/07/2005 16:45 22.5 20.5 Normal 7.3 < 1 8.1 89.91 610 2 0.2
03/26/2005 17:30 14.5 15 Normal 8 < 1 8.8 88 580 1 0.5 1.15
02/17/2005 17:10 13 15 Normal 7.1 < 2 10.05 100.5 400 0
02/12/2005 14:06 17 15 Normal 8 < 1 9.35 93.5 760 7 0 > 1.2
01/20/2005 17:10 20 17 Normal 7.2 2 9.9 102.96 390 0 0
01/16/2005 16:50 8.5 10.5 Normal 8 < 1 10.4 94.64 750 7 0 > 1.2
12/18/2004 15:46 15 13.5 Normal 8 < 1 8.8 85.36 760 12 0 > 1.2
12/01/2004 17:15 13 15 High 7.2 9.15 91.5 1 0.33
11/14/2004 16:50 11 13.5 Normal 7.5 < 1 9.45 91.67 220 0 0.6 0.22
10/22/2004 17:00 30 25 Normal 7.4 < 1 5.8 69.6 680 6 0.25
10/07/2004 16:50 25 23 Normal 6.8 < 1 8.2 95.12 640 0
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