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

  • Site 276
  • Llano River at Scotts Slab
  • 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)
    10/25/2012 13:30 28 27 2 8.5 < 1 7.6 94.24 390 11 0
    04/29/2012 09:30 25.5 26 2 8.5 < 1 5.8 70.76 380 30 0
    03/31/2012 18:30 29 26 3 8.5 < 1 7 85.4 400 12 0.16
    02/25/2012 16:45 18.5 16 3 8.5 < 1 9.2 93.84 420 7 0
    01/01/2012 12:00 14 13 2 8.5 < 1 9.4 90.24 420 25 0
    09/26/2011 12:00 35 27 2 8.5 < 1 7.4 91.76 430 30 0
    07/31/2011 17:00 40 34 2 8.5 < 1 6.6 91.08 430 40 0
    06/27/2011 21:00 35 30 2 8.5 < 1 6.5 84.5 440 6 0
    05/30/2011 09:30 29 25 2 8.5 < 1 6.4 76.8 400 19 0
    04/29/2011 18:30 29 23 2 8.5 < 1 7.6 88.16 400 18 0
    03/28/2011 18:40 23 20 2 8.5 < 1 8.9 97.9 400 56 0
    02/27/2011 17:44 26 21 2 8.5 < 1 8.4 94.08 400 26 0
    01/26/2011 17:30 15 11 2 8.5 < 1 420 11 0
    12/31/2010 17:00 15 14 2 8.5 < 1 9.7 95.06 420 7 0.04
    11/23/2010 10:00 32 21 2 8.5 < 1 7.7 86.24 420 22 0
    10/26/2010 12:45 27 23 2 8.5 < 1 7 81.2 390 3 0.23
    08/24/2010 14:00 38 32 2 8.5 < 1 5.9 79.06 420 48 0
    04/25/2010 10:00 19 21 4 8.5 < 1 7.3 81.76 430 2 0.51
    03/31/2010 08:30 14 17 3 8.5 < 1 430 7 0
    02/28/2010 18:30 6 8.5 5 8.5 < 1 9.3 80.91 430 0 5
    01/30/2010 14:15 8.8 10.5 4 8.5 < 1 9.5 86.45 240 1 3.19
    11/25/2009 13:00 19.5 17 5 8.5 < 1 7.8 81.12 350 5 0.01
    10/27/2009 16:00 18 22 5 8.5 < 1 7.2 82.08 270 1 0.96
    09/26/2009 16:00 29 27 3 8.5 < 1 7.45 92.38 330 4 0
    08/23/2009 08:45 29.5 28.5 2 8.5 1 5.85 74.3 340 11 0
    07/30/2009 19:30 28.5 27 2 8.5 < 1 7 86.8 360 14 0.17
    05/25/2009 12:15 29 27 3 8.5 < 1 7 86.8 360 9 0.05
    04/26/2009 18:00 27 24.5 3 8.5 < 1 7.9 94.01 380 9 0
    03/30/2009 19:00 24 18 2 8.5 < 1 8.85 93.81 370 5 0
    02/28/2009 10:45 12 14 2 8.5 < 1 9 88.2 420 14 0
    01/31/2009 13:30 21 14 2 8.5 < 1 9.45 92.61 400 4 0
    12/19/2008 09:45 17.5 14 2 8 < 1 8.35 81.83 400 30 0
    11/08/2008 14:30 24 19 3 8.5 < 1 8.6 92.88 350 0 0
    10/14/2004 14:15 19 22 Normal 7.5 < 1 7.1 80.94 360 1 1.14 50
    07/11/2004 19:00 29.5 30.5 Normal 8.2 < 1 5.8 75.98 400 0 0.07
    04/28/2004 17:40 20.5 21 Normal 8.2 < 1 7.1 79.52 0 0.05
    02/08/2004 17:25 12 11 Low 8.2 < 1 9.7 89.24 340 5
    01/04/2004 15:00 14.5 16 Low 7.8 < 1 8.6 87.72 400 40
    12/14/2003 16:30 23.5 12 Normal 8 < 1 9.4 88.36 400 1 0.05
    11/09/2003 15:15 16.5 15 Normal 7.8 < 1 9.2 92 440 1 0.05
    09/21/2003 17:00 25.5 25 High 8.2 < 1 6.6 79.2 300 7
    09/01/2003 14:00 27.5 27 Low < 1 6.4 79.36 350 0 1.5
    07/25/2003 18:30 40 30 Low 6.6 < 1 7 91 390 0 90
    06/15/2003 15:00 27 27 Flood 7.3 < 1 5.3 65.72 210 0 1.5 970
    05/06/2003 18:15 29 28 Normal 7.4 < 1 7.4 93.24 0
    04/09/2003 18:45 19 20 Normal 7.6 < 1 9 99 400 0 10
    03/16/2003 16:00 29 24 Normal 8.3 < 1 8.7 102.66 310 8
    02/09/2003 13:15 Normal 8.1 < 1 11.1 410 2 0.1
    01/26/2003 12:50 8 8 Normal 8.2 < 1 11.3 97.18 440 1 0.02
    01/13/2003 17:45 8.5 9 Normal 8.8 < 1 11.2 98.56 1 0.6 40
    12/01/2002 17:15 18.5 Normal 8.3 10.8 370 25
    10/21/2002 15:45 17 18 High 8.1 < 1 8.1 85.86 320 0 1.75
    09/22/2002 19:00 28 24.5 Normal 8.6 < 1 7.8 92.82 370 4 0
    07/29/2002 19:00 33.5 30 Normal 8.6 < 1 6.7 87.1 15
    07/08/2002 18:00 26.5 29 High 7.5 < 1 6.1 78.08 300 0 0.75 400
    06/25/2002 19:00 35 30.5 Low 8.5 < 1 7.4 96.94 340 7
    06/02/2002 18:50 31.5 30 Low 8.8 7 91 370 3
    04/18/2002 14:00 31 27 Normal 8.6 < 1 7.4 91.76 420 4 0
    04/08/2002 18:00 30 23 High 8.5 8.2 95.12 400 1 0.5
    03/24/2002 17:25 7.5 22 Normal < 1 8.7 99.18 3
    03/10/2002 17:20 14.5 14 Normal 10.6 103.88 3 0.1
    02/24/2002 17:15 24.5 18 Normal 8.4 < 1 9.9 104.94 370 3 0.04 20
    01/27/2002 15:30 24.5 15 Normal 8.3 < 1 450 4 10
    01/13/2002 15:00 19 13 Normal 8.5 < 1 10 0
    12/30/2001 15:15 7.5 8.5 Normal 8.5 < 1 10 0
    12/18/2001 15:30 18 14 High 8.1 < 1 9.7 95.06 480 3 0.15 90
    12/02/2001 14:30 17 14 High 8.2 < 1 10 98 0 0.6 22.5
    11/18/2001 16:50 23.5 19.5 High 7.8 < 1 7.6 82.84 260 0 4 240
    10/21/2001 17:50 27 27 Normal 8.4 < 1 7.8 96.72 420 5
    10/07/2001 14:05 26.5 21 Low 8.1 < 1 7.4 82.88 370 2 0.25
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