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

  • Site 183
  • Llano River above Johnson Fork
  • 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)
    08/19/2012 14:00 33 21 3 7.5 < 1 9.2 103.04 410 1 0.22 0.8
    07/15/2012 17:30 38 21 3 7.5 < 1 8.2 91.84 420 10 0 0.7
    06/19/2012 17:30 35 20 5 7.5 < 1 7.8 85.8 380 1 0.87 0.3
    05/14/2012 18:00 22 18 3 7.5 < 1 7.2 76.32 410 0 0.25 1.1
    04/15/2012 17:30 27 22 3 7 < 1 7.2 82.08 390 12 0 > 1.2
    03/14/2012 16:30 24 18 3 7 < 1 8.8 93.28 400 4 0 > 1.2
    07/25/2011 18:00 32 30 2 7.8 < 1 7.9 102.7 370 15 0 0.9
    06/12/2011 17:30 34 25 3 7.3 < 1 6.9 82.8 390 30 0 1.22 20
    05/22/2011 17:30 39 23 3 7.4 < 1 7.6 88.16 380 30 0 1.22 20
    03/06/2011 18:00 23 17 3 7.2 < 1 9.1 94.64 380 30 0 > 1.2
    02/16/2011 17:30 24 14 3 7.2 < 1 9.8 96.04 420 30 0 > 1.2
    01/09/2011 17:30 17 14.5 3 7.1 < 1 9.1 90.09 440 0 0.25 0.8
    12/14/2010 16:30 21 14 3 7.1 < 1 9 88.2 420 54 0 > 1.22
    11/20/2010 18:00 25 19 3 7.2 < 1 8.8 95.04 430 30 0 1.3
    10/11/2010 18:00 28 23 3 7.2 < 1 8.1 93.96 410 27 0 1.3 > 1.22
    09/13/2010 16:00 37 26 3 7.1 < 1 8.9 108.58 420 5 0 1.1 20
    08/29/2010 17:00 39 24 3 7.1 < 1 7.1 83.78 420 5 0 0.9 20
    07/18/2010 16:30 40 26 3 7.2 < 1 8 97.6 410 12 0 0.8 30
    06/06/2010 17:30 39 25 3 7.1 < 1 7.3 87.6 390 3 0 0.9 30
    03/21/2010 14:00 14 13 3 7.4 < 1 9.2 88.32 420 2 0.76 0.89 10
    02/14/2010 10:30 14 10 3 7.4 < 1 9.1 81.9 430 4 0 0.91 20
    01/09/2010 11:30 15 9 3 7.8 < 1 9.1 80.08 450 6 0 0.9 10
    11/09/2009 17:00 26 20 3 7.3 < 1 8.9 97.9 430 10 1.4 10
    10/02/2009 16:00 26 24 3 7.2 < 1 7.7 90.86 420 12 1.6 20
    09/16/2009 16:00 24 22 3 7.3 < 1 7.8 88.92 430 20 .9 30
    07/11/2009 17:00 29 24 2 7.1 < 1 8 94.4 400 42 0 .7 30
    06/13/2009 10:00 30 27 3 7.1 < 1 7.05 87.42 390 9 0 1.5 30
    05/24/2009 17:00 27 21 3 7.2 < 1 7.6 85.12 360 1 0.6 1.6 30
    04/10/2009 18:00 26 18 2 7.2 < 1 7.9 83.74 400 8 0 1.7 20
    03/18/2009 12:00 26 14 2 7.2 < 1 8 78.4 430 18 0 1.8 20
    02/14/2009 17:00 12 13 2 7.2 < 1 8.8 84.48 440 90 0 1.9
    01/20/2009 15:30 16 14 2 7.1 < 1 9.1 89.18 440 90 0 1.8 10
    12/16/2008 14:30 4 11 3 7.2 < 1 9.2 84.64 460 90 0 1.8 10
    09/08/2008 16:00 34 27.1 3 7 < 1 7.6 94.39 430 12 0 .9 40
    08/10/2008 15:00 35 28 3 7 < 1 6.1 76.86 440 6 0 .8 30
    07/15/2008 15:30 32 24 3 7.1 < 1 8.7 420 8 0 .8 30
    06/12/2008 12:00 34 26 3 7.2 < 1 8.6 104.92 380 28 0 .75 30
    05/21/2008 10:00 29 23 3 7.5 < 1 6.6 76.56 380 5 0 0.75 90
    04/16/2008 15:30 32 21.5 3 7.1 < 1 9.3 105.09 420 12 0 0.8 40
    03/13/2008 16:30 32 17 3 7.2 < 1 9.1 94.64 430 3 0.1 1.2 30
    02/13/2008 14:30 22 15 3 7.5 < 1 9.2 92 430 61 0 2.2
    01/08/2008 14:30 20 15 3 7.5 < 1 9.3 93 440 25 0 1.6 20
    12/14/2007 13:00 14.5 14.5 3 8 < 1 8.65 85.64 450 2 0.75 1 50
    11/12/2007 13:00 26 20 3 7.5 < 1 8.7 95.7 430 29 0 1.75 30
    10/16/2007 15:00 26 24 3 7.5 < 1 7.85 92.63 440 1 0.4 1.75 40
    09/12/2007 14:30 28 26 3 7.5 < 1 8 97.6 440 3 1 .7 10
    08/13/2007 14:30 30 28 3 7.2 < 1 7.2 90.72 450 10 0 1
    07/11/2007 14:30 27 25 5 8 < 1 6.95 83.4 410 4 0 1 10
    06/12/2007 13:00 35.5 26.5 3 8 < 1 7.55 92.87 430 18 0 1.75 10
    05/08/2007 15:00 27.5 21 4 7.5 1 7.05 78.96 250 0 2 .1 550
    04/09/2007 16:30 27 19.5 3 8.5 1 10.1 110.09 450 4 0 .75 30
    03/13/2007 16:30 23 19.5 3 8.5 < 1 8.7 94.83 420 0 1.6 1 33.3
    02/14/2007 14:00 9 13 3 8.5 9.6 440 16 0 > 2
    01/10/2007 14:00 19 13 3 8.5 9.6 92.16 430 5 0 1.6
    11/10/2005 09:30 20 22 Low 8 7.2 82.08 440 0 90
    10/04/2005 09:15 23 27 Low 8 6.35 78.74 450 0 100
    09/08/2005 09:00 20 24 Low 8 6.08 71.69 450 104 0 130
    08/08/2005 11:20 31 27 Low 8.1 6.7 83.08 450 73 0 30
    07/07/2005 08:45 23 27 Low 8 5.7 70.68 450 35 0.2 160
    06/08/2005 08:45 22 25 Low 8 6 72 450 5 0 100
    05/09/2005 08:50 21 21 Normal 8 7.25 81.2 440 1 1.6 70
    04/09/2005 09:30 23 17 Normal 8 7.45 77.48 450 20 0 20
    03/09/2005 08:30 12 16 Normal 8.1 8.4 85.68 460 41 0 30
    02/07/2005 08:45 9 13 Normal 8 8.1 77.76 460 65 0.35 40
    01/10/2005 09:00 17.5 16 Normal 8 7.9 80.58 460 35 0 40
    12/09/2004 09:00 8 14 Normal 8 7.8 76.44 460 4 0 30
    11/10/2004 09:00 16 18 Low 8.1 7.7 81.62 420 12 0 70
    10/11/2004 18 22 Low 8 6.4 72.96 420 14 0 120
    09/09/2004 09:00 14 17 Low 8 6.25 65 430 19 0 150
    08/10/2004 10:00 23.5 25 Normal 7.9 5.3 63.6 440 3 1.1 220
    07/07/2004 09:00 26 27 Normal 7.8 5.4 66.96 430 15 0
    06/10/2004 10:00 27 24.5 Normal 8 6.6 78.54 400 2 1.4 290
    05/05/2004 08:45 17 22 No Flow 7.8 6.88 78.38 430 5 0 40
    04/08/2004 10:10 17 18 No Flow 7.6 7.65 81.09 290 2 1.2 720
    03/08/2004 08:45 7 15 Normal 8 7.9 79 410 4 0 20
    02/06/2004 08:45 6 13 Normal 8.4 80.64 410 22 0 110
    01/09/2004 09:00 10 13 Normal 8 9 86.4 420 52 0 40
    12/12/2003 09:15 13 11 Normal 7.8 8.5 78.2 420 26 0 50
    11/06/2003 08:45 11 19 Normal 7.8 7 75.6 420 27 0.1 50
    10/08/2003 09:15 21 23 Normal 7.9 6.05 70.18 420 27 0 110
    09/11/2003 09:00 22 25 Normal 7.9 5.25 63 410 18 0 110
    08/05/2003 09:00 26 27 Normal 7.8 5.2 64.48 420 35 0 3.5
    07/08/2003 08:55 23 26 Normal 8.2 5.5 67.1 430 22 0 20
    06/12/2003 08:30 26 26 Normal 8.2 5.2 63.44 420 6 0.2
    05/14/2003 09:00 25 22 Normal 8.2 6.2 70.68 440 15 0
    04/22/2003 08:30 15 18 Normal 6.7 71.02 420 30 0
    04/11/2003 17 17 Normal 8.2 7.1 73.84 440 20 0
    03/05/2003 09:30 7 13 Low 8.2 8.3 79.68 430 2 0.3
    02/05/2003 09:15 7 13 Low 8.2 7.85 75.36 430 25 0 10
    01/09/2003 09:45 14 13 Low 8.2 8.35 80.16 440 13 0 50
    12/12/2002 15:00 18 15 Low 8.3 8.95 89.5 440 0 0.1 30
    11/08/2002 08:30 21 25 8.2 8.15 97.8 420 6 0 30
    10/07/2002 15:00 26 23 Low 8.1 420 0 0.1
    09/11/2002 09:15 24 27 Low 7 5.55 68.82 420 2 1.1 100
    08/08/2002 24 26 Low 8.1 5.6 67.2 420 4 0
    07/10/2002 08:45 23 26 Low 7 5.5 66 370 5 0
    06/13/2002 08:45 27 26 7.9 5.4 64.8 430 16 0
    05/13/2002 08:45 16 21 Low 8.1 6.5 71.5 440 6 0
    04/17/2002 09:00 22 22 8.1 5.7 63.8 450 2 0.55 60
    03/15/2002 10:40 17 18 Low 7.6 6.9 71.2 440 24 0
    02/13/2002 08:45 11 6 Low 7.6 8.1 64.4 450 8 0 10
    01/03/2002 09:15 2 9 Low 7.8 8.9 76.5 440 19 0
    12/17/2001 14:30 20 16 7.8 < 1 8 80 460 1 0.5
    11/12/2001 09:20 21 19 7.8 1 7 74.2 460 4 0
    10/26/2001 09:00 16 19 Normal 7.8 < 1 7.1 75.5 440 14 0 20
    09/08/2001 09:15 24 26 Normal 8.2 5.1 61.2 430 3 0
    08/10/2001 08:45 23 27 Normal 7.9 5.9 71.4 440 3 0.1
    06/07/2001 09:30 26 27 Normal 8.1 < 1 5.6 68.3 460 6 0
    05/15/2001 09:00 22 24 Low 7.9 5.9 68.4 460 3 0.48 10
    03/13/2001 10:00 10 14 Low 8.2 < 1 7.6 73 460 2 0.1
    02/07/2001 10:00 18 14 Normal 8 < 1 8.1 77.3 480 10 0
    01/09/2001 09:30 4 10 Low 7.5 < 1 8.6 75.7 15 0 50
    12/09/2000 10:45 14.5 13.5 Low 7.7 < 1 8 76 5 0 20
    10/05/2000 10:00 24.5 23 Low 7.8 < 1 6 67.8 11 0 30
    09/04/2000 10:00 28 26 Low 7.8 < 1 6.1 73.2 78 0
    08/03/2000 09:30 26 6 Low 7.9 < 1 5.9 47.2 46 0 20
    07/07/2000 09:30 28 24 Normal 8 < 1 6.1 70.2 19 0
    06/06/2000 10:15 25 23 Low 8 < 1 6.2 70.1 1 0.3
    05/06/2000 11:00 27.5 24 Low 8 < 1 5.7 66.1 4 0
    04/18/2000 08:15 22 21 Low 8 1 6.2 67.7 6 0
    03/05/2000 15:15 18 18.5 Low 8.2 1 8.9 93.5 9
    02/04/2000 15:40 18 13 Low 8.2 < 1 9.9 93.1 3 0.45
    01/07/2000 09:45 10 11 Low 7.9 < 1 9.1 81.9 17 0 120
    12/03/1999 10:35 17 10 Low 8.1 < 1 8.3 72.6 34 0
    11/03/1999 10:15 11 15 8 8.6 84.3 4 0
    10/07/1999 09:15 20 21 Low 8.1 < 1 8.6 94.1 29 0
    09/03/1999 09:10 27 25 High 8 < 1 6.5 76.1 54 0
    08/04/1999 09:15 24.5 26.5 Normal 8.1 < 1 7 84.7 24 0
    06/30/1999 08:45 25 26 Normal 8.2 9.2 109.8 9 0
    05/31/1999 09:30 27 25 Normal 7.9 < 1 7.9 93.2 2 0.2
    04/22/1999 12:00 31 23.5 Normal 8.2 < 1 6.3 72.5 8 0
    03/07/1999 18:45 13 14 Normal 8.2 < 1 9 86.4 93 0.02
    03/22/1998 15:30 23 17.5 < 1 10.8 111.2 7 0
    01/08/1998 16:00 13 13.5 8 < 1 9.9 2 0.6
    10/19/1997 16:00 28 21 8.1 < 1 10 7 0
    09/14/1997 18:30 30 27.5 8 < 1 7.9 11 0
    07/28/1997 17:15 34 29.5 8.2 < 1 7.2 35 0
    07/04/1997 17:05 32 27.5 8.1 < 1 6.9 12 0
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