LCRA Logo   Colorado River Watch Network (CRWN) Water Quality Data

  • Site 168
  • Lady Bird Lake at Red Bud Isle
  • Hydromet Rainfall
  • Hydromet Flow
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    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)
    01/18/2021 08:20 9.5 10 1 7 < 1 9 81 470 8 0 > 1.21
    06/30/2020 15:15 31.5 24.5 7 < 1 6 71.4 440 4 0 > 1.21
    04/30/2020 15:13 29 22.5 7 < 1 6.5 74.75 450 1 0.8 > 1.21
    03/31/2020 12:50 19 23 7 < 1 6.9 80.04 470 1 0.6 > 1.21
    01/30/2020 12:35 9.5 14 < 1 9.1 89.18 3 0.3 > 1.21
    12/18/2019 14:30 15 12.5 7 < 1 8.8 83.6 410 7 0 > 1.21
    11/30/2019 12:20 27 17 7 < 1 7.3 75.92 410 2 0.2 > 1.21
    10/15/2019 12:00 29 26 7 < 1 6.7 81.74 410 7 0 > 1.21
    07/07/2019 18:45 29 25 7 < 1 5.7 68.4 400 4 0 > 1.21
    06/23/2019 09:53 28 25 7 < 1 5.55 66.6 410 1 0.25 > 1.21
    04/28/2019 11:20 24 17 7 < 1 7.2 74.88 370 4 0 > 1.21
    03/30/2019 11:30 17 17 7 < 1 7.35 76.44 390 10 0 > 1.21
    02/23/2019 12:00 20 13.5 7 < 1 9.3 90.21 410 4 0 > 1.2
    01/31/2019 16:20 13.5 13 7 9.1 87.36 390 20 0 1.08
    12/30/2018 15:30 7.5 11 2 7 < 1 7.9 72.68 400 3 0.67 0.61
    10/28/2018 12:00 23.5 15 4 7 < 1 8.2 82 220 4 0 0.08
    09/23/2018 13:20 23.5 24 7 < 1 4.95 58.41 410 1 2 > 1.22
    08/31/2018 15:10 34 26 7 < 1 5.65 68.93 420 20 0 > 1.22
    07/29/2018 19:20 30.5 26 7 < 1 5.6 68.32 420 20 0 > 1.2
    07/25/2018 08:45 27.8 26.5 3 8.4 < 1 4.75 58.42 430 6 0 > 1.22
    06/27/2018 10:43 30 25 3 7.34 < 2 5.7 68.4 440 8 0 0.93
    06/17/2018 12:40 32.5 25.5 1 7 1 6.2 75.02 420 1 0.2 > 1.2
    04/23/2018 13:10 26 24 7 < 1 7.3 86.14 450 10 0.03 0.94
    03/28/2018 16:05 21 21 7 < 1 7.1 79.52 450 0 3.75 1.01
    02/27/2018 14:50 24 16.5 7 < 1 8.5 87.55 450 4 0.01 > 1.22
    01/31/2018 16:20 22 13 7 < 1 9.75 93.6 470 30 0 > 1.22
    12/29/2017 13:20 9 12 1 7 < 1 9.65 90.71 460 7 0 > 1.22
    11/19/2017 14:30 16.5 19.5 7 < 1 8.3 90.47 460 15 0 8.2
    03/23/2017 17:00 29 20 3 7.3 < 1 7.15 78.65 440 5 0 0.6
    02/28/2017 17:27 25 18 3 8.58 < 1 5.8 61.48 450 8 0 0.8
    02/16/2017 11:09 61 16.4 1 7 < 1 7 71.96 490 2 0.89 0.5
    01/30/2017 16:35 67 17.9 1 7 < 0.1 7.5 79.35 470 2 3.5
    01/26/2017 17:00 12 15 3 6.52 < 1 8.1 81 530 5 0 0.81
    10/28/2016 15:37 28.5 24.7 1 7 < 0.1 6 71.64 420 3 0.06
    10/25/2016 17:17 25 24 3 8.23 < 1 5.2 61.36 430 30 0 0.81
    06/24/2016 13:15 32 26.5 7.5 < 1 4.05 49.81 440 20 0
    06/20/2016 09:45 28 26 3 7.96 < 1 4.2 51.24 440 16 0 0.81
    05/27/2016 17:35 22 20.8 7 < 1 6.8 75.89 440 0 1.1
    04/05/2016 16:55 25 18 2 7.85 < 1 6.8 72.08 550 4 0 0.98
    01/27/2016 18:00 6.2 14.1 1 7 < 1 8.3 81.51 620 1 1
    11/12/2015 14:36 23 21 1 7 < 1 7.25 81.2 560 3 1 20
    08/22/2015 14:15 35 29 7 < 1 3.8 48.64 560 2 1
    07/30/2015 17:30 37.7 28.3 7 < 1 8.6 108.88 590 20 0
    06/29/2015 11:00 33.8 26 7 < 1 7.3 89.06 580 1 1
    06/22/2015 09:50 27 26 3 7.4 < 1 6 73.2 560 1 0.93 0.5
    05/01/2015 17:00 25 24 3 7 < 2 6.65 78.47 680 4 0 0.94
    04/30/2015 17:05 27.8 22.5 7 < 1 8.7 100.05 590 4
    04/14/2015 16:54 22 21 3 7.45 < 2 6.15 68.88 620 11 0.1 1.05
    03/24/2015 18:42 27.2 22.3 7.5 < 1 9.5 108.87 590 3 0
    01/28/2015 16:40 25.5 17.5 1 7 < 1 9.7 101.85 550 6 0
    11/19/2014 17:10 14.4 15.5 7 < 1 8.6 86.86 490 6 0
    10/21/2014 14:35 26.1 27.5 7.5 < 1 6.55 81.88 490 8 0
    09/30/2014 16:55 30.5 28 3 8.23 < 1 7.27 91.6 500 14 0 0.81
    09/24/2014 14:40 28.2 28.6 1 7 < 1 7.15 90.95 440 6 0
    08/14/2014 13:30 32.1 30.2 7 < 1 4.7 61.29 510 3 0.6
    07/17/2014 14:35 29.5 23.6 1 7 < 1 4.95 58.01 510 1 1
    07/02/2014 09:40 28 27 3 7.1 < 1 5.7 70.68 530 6 0 0.92 99.9
    04/08/2014 16:49 23 20 3 7.8 2 9.2 101.2 610 1 0.7 .45 > 1.2
    03/25/2014 16:52 19.5 18.5 3 7.44 1 8 85.6 640 15 > 1.2
    07/10/2013 10:02 29 26 3 7.6 < 1 5.2 63.44 530 10 0.35 0.71
    06/12/2013 09:42 27 26 3 7.63 < 1 4.65 56.73 530 3 0.18 0.8 33.3
    05/14/2013 16:44 29 22 3 7.95 < 1 7 79.8 570 1 0.4 > 1.22
    03/25/2013 16:55 15 18 3 7.78 < 1 7.85 83.21 560 5 0 > 1.22
    01/22/2013 16:54 18 14 2 7.7 < 1 9.3 91.14 500 13 0 > 1.22
    11/30/2012 11:15 27 17 3 8.11 < 1 7.35 76.44 520 30 0 > 1.22
    10/09/2012 17:02 27 22 3 7 < 1 6.6 75.24 520 15 0 > 1.22
    06/11/2012 10:30 29 28 3 7 < 1 7.1 89.46 510 28 0 0.695
    04/10/2012 16:50 28 24 3 7.94 < 1 6.9 81.42 7 0
    02/21/2012 16:40 23 17.5 3 7.06 < 1 7.4 77.7 540 4 0 66.6
    09/27/2011 16:44 33 27 3 8 < 1 5.3 65.72 440 30 0 0.82
    09/15/2011 17:05 32 26 3 8.05 < 1 7 85.4 470 30 0 0.96
    09/14/2011 13:20 34 27 2 7.5 < 1 6.3 78.12 460 30 0 0.91 170
    08/25/2011 10:45 30.5 28.5 2 7.5 < 1 5.45 69.22 450 30 0 1.15 20
    06/14/2011 09:40 32 23 3 7.93 < 1 6.15 71.34 460 27 0
    04/12/2011 16:44 27 20 3 8.08 < 1 6.6 72.6 440 8 0.01 > 1.22
    04/05/2011 17:30 23 18 3 7.4 < 1 6.25 66.25 480 2 0.1 0.69
    02/22/2011 16:49 18.5 15 2 7.4 < 1 10.15 101.5 590 20 0 > 1.22
    01/18/2011 10:40 12 11 3 7.74 < 1 8.5 78.2 450 1 0.75 > 1.22
    11/09/2010 16:55 23.5 20 3 7.5 < 1 5.5 60.5 500 5 0.824
    06/07/2010 10:00 30 23 3 7.58 < 1 7.05 81.78 612 4 1.52 1.06
    05/13/2010 18:20 28 20 5 7.58 < 1 7.4 81.4 460 14 0 0.825
    04/20/2010 16:46 21 15 3 7.79 < 1 9.1 91 440 2 1 1.02 116.55
    03/04/2010 17:00 21 16 3 7.49 < 1 7.75 79.05 620 3 0.5 > 1.22
    02/02/2010 16:44 12 13 3 7.1 < 1 9.1 87.36 620 3 0 > 1.22
    12/10/2009 16:50 6 13 3 7.43 < 1 6.95 66.72 600 4 0 > 1.22 283
    11/19/2009 17:05 22 19 3 7.21 < 1 7.2 77.76 280 9 0 > 0.89
    10/12/2009 17:00 21 23 3 < 1 6.2 71.92 1 1.5 > 1.8
    07/14/2009 09:30 29 25 3 8.07 < 1 5.3 310 15 0 1.1
    07/14/2009 09:30 29 25 3 8.07 < 1 5.3 310 15 0 1.1
    06/22/2009 09:50 29 25 3 8.22 < 1 5.67 68 470 12 > 1.22
    11/18/2008 16:42 22 18 2 7.6 8 84.8 480 29 0
    07/14/2008 10:45 28.5 26.5 2 8.24 < 1 8.65 106.4 400 6 0 > 1.22
    06/23/2008 11:05 31 22 3 8.08 < 1 7.05 80.37 410 7 0 1.025
    05/13/2008 16:50 28 22 5 8.1 7.8 430 3 0.2 0.56
    04/10/2008 14:10 27 20.5 1 8 < 1 8 88.8 430 0 0.5 0.38
    04/01/2008 16:55 28 20 3 8.35 < 1 8.2 90.2 2 0.25
    02/19/2008 11:35 17 15 2 7.5 9.4 440 2 2 0.65
    02/12/2008 16:50 16 14 3 7.9 < 1 8.3 81.34 19 0 0.847
    12/21/2007 10:12 20 17 3 7.5 < 1 8.1 84.24 6 0.01 0.714
    11/06/2007 16:50 15 17 3 7.48 < 1 7.3 75.92 470 15 0 0.767
    10/30/2007 09:26 21.5 20.5 1 7.5 < 1 6.75 74.93 410 15 0 0.67
    09/21/2007 09:24 25 26.5 2 7.5 < 1 4.3 52.89 400 10 0 0.53
    09/18/2007 11:10 27 27 3 7.8 < 1 3.6 44.64 410 6 0 1.105
    08/17/2007 14:00 29 28.5 2 7.5 < 1 6.1 77.47 380 0 1.8
    06/18/2007 16:43 30 28 3 7.4 < 1 5.1 64.26 400 6 0.01 1.025
    06/05/2007 10:39 26 20 5 7.7 < 1 480 2 0.5 0.825
    02/13/2007 16:40 14 14 3 7.4 < 1 10.1 98.98 620 20 0.04 > 1.1
    12/04/2006 17:00 10 15 3 6.4 < 1 7.65 76.5 510 15 0 1.13
    10/09/2006 12:49 28 25.5 1 7.5 < 1 7.3 88.33 520 10 0 10
    09/12/2006 16:35 25 5 7 < 1 6.75 400 1 1.5
    08/01/2006 09:25 28 25.5 No Flow 7.5 < 1 5.93 71.69 510 7 0 > 3
    07/10/2006 08:35 26 23 Normal 7.5 6.2 71.92 490 7 0 > 3
    07/06/2006 10:15 27 24 Normal 6.9 < 2 8.1 95.58 480 2 0.1
    06/12/2006 09:30 28 23 Normal 7.7 < 1 7.15 82.94 490 0
    05/10/2006 09:20 29 23 Low 7.5 < 1 7.3 84.68 500 3 1 80
    05/05/2006 16:34 23 23.5 High 7.1 < 1 7.7 90.09 450
    04/25/2006 16:45 21 25 High 7.4 < 2 8.6 103.2 470
    03/12/2006 11:00 24.5 20 No Flow 7.5 < 1 8.55 94.05 3 0 > 3 20
    03/07/2006 16:55 25 18 Normal 7.4 < 2 8.5 90.1 470 4 0
    02/12/2006 10:30 11.5 12 Low 7.5 < 1 9.65 90.71 2 0 > 1 20
    02/07/2006 17:00 18 14 Normal 7.5 < 1 8.25 80.85 510
    01/10/2006 07:55 8 12 Normal 7.5 10.15 95.41 430 0 20
    12/12/2005 08:30 9 12 Normal 7.5 < 1 9.4 88.36 460 5 0 > 2
    11/29/2005 16:50 16 15 Low < 1 8.85 88.5 500 3 0.25
    11/10/2005 17:03 23 22 No Flow 7.5 < 1 8.3 94.62 450 0 50
    10/25/2005 17:00 20.5 20.5 Low 7.1 < 1 6.5 72.15 400
    10/09/2005 08:31 13.5 20.5 No Flow 7.5 < 1 5.6 62.16 490 7 0 100
    09/08/2005 08:25 22 22 No Flow 7.5 < 1 5.8 66.12 490 7 0 > 1.2 60
    08/30/2005 16:30 Normal
    08/03/2005 08:15 No Flow 7.5 < 1 5.35 480 7 0 > 2
    07/03/2005 09:30 27 28.5 No Flow 7.5 < 1 5 63.5 20 0
    06/23/2005 10:10 28 21 High 7.1 < 1 5.2 58.24 400 17 0
    06/10/2005 09:05 27 22.25 Low 7.5 < 1 5.4 61.83 440 10 0
    06/06/2005 10:35 25 22.5 7.1 < 1 6.7 77.05 450
    05/10/2005 18:47 28 20 Low 7.5 < 1 7.3 80.3 2
    04/19/2005 16:46 23.5 19.5 Normal 7 < 1 7.7 83.93 480
    02/15/2005 16:50 25 18 Normal 7.1 < 1 7.7 81.62 290
    01/11/2005 16:47 22 17 Normal 7.1 < 1 6.65 69.16 0 0.1
    12/07/2004 16:40 15 18 High 7.1 < 1 8.75 92.75 1
    10/27/2004 16:48 28 25 Normal 7.3 < 1 7.4 88.8 430 1 5
    07/03/2004 08:31 25 21 High 7.7 < 1 6.3 70.56 470 3 1 .7
    06/06/2004 07:54 23.5 21 Normal 7.7 6.8 76.16 500 1 1 .3
    05/09/2004 11:19 23 14.5 High 8.1 8.7 86.13 460 7 1 .5
    04/04/2004 13:15 20 20 Normal 8.1 8.6 94.6 440 2 1.5 .5
    03/07/2004 11:41 23 17 7.8 < 1 9.5 98.8 500
    02/08/2004 14:10 12 11.5 Normal 7.8 < 1 9.1 84.63 500
    01/11/2004 12:56 15 12.5 Normal 8.2 < 1 10 95 460 .4
    12/21/2003 16:50 22 13.5 Normal 8 9.8 95.06 460
    11/02/2003 11:00 22 20 No Flow 8 < 1 6.03 66.28 470 .4
    10/04/2003 12:43 22 20.5 Normal 8.1 < 1 6.8 75.48 450 1 0 .35
    09/07/2003 12:45 27 21.5 7.8 < 1 5.83 65.82 450 .2
    08/09/2003 07:05 20.5 21 No Flow 8 < 1 6.9 77.28 450 1 > .4
    07/13/2003 10:31 25.5 19 Normal 7.5 < 1 6.3 68.04 440 2 > .35
    06/14/2003 11:10 23.5 19.5 Normal 7.8 < 1 7.1 77.39 460 0 1
    08/11/2002 09:30 25.5 26.5 Normal 7 < 1 5.4 65.3 330 2 0.87
    04/18/2002 10:00 23.5 21 Normal 7.8 < 1 7.5 82.5 450 0
    10/31/2001 10:20 21 20 Normal 7.7 < 1 8 86.4 480 19 0
    05/14/2001 15:00 28 22 Normal 7.5 < 1 8 89.6 540
    05/14/2001 15:00 28 22 Normal 7.4 < 1 8.2 91.8 540
    11/27/2000 14:30 23 16 Normal 7.5 < 1 7.4 74 610 4 0 80
    09/24/2000 15:00 26 25 Normal 7.6 < 1 7.7 90.9 530 0 0.25 10
    07/27/2000 10:20 32 26 Normal 7 < 1 6.4 76.8 5 1.75 10
    04/20/2000 10:30 24 24 Normal 7.3 < 1 7 81.2 0 10
    03/10/2000 15:30 26.5 22 Normal 7.5 < 1 8 89.6 0
    02/04/2000 15:45 20.5 14 Normal 7.6 < 1 10.4 99.8 2 0.04
    06/17/1997 17:38 27 21 7.8 < 1 9.4 104 0 0.2
    06/02/1997 17:07 29 19 7.8 < 1 6.4 68
    05/19/1997 17:24 28 19 7.9 < 1 9.5 100 1
    05/13/1997 18:15 24 19 7.8 < 1 7.8 95 1
    01/27/1997 16:45 18 15 8.2 < 1 11.4 109
    12/29/1996 14:34 25 15 8.3 < 1 11.3 108 14
    11/13/1996 13:37 28 21 8.4 < 1 9.4 112 7
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