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

  • Site 371
  • Big Sandy Creek at Confluence
  • 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)
    11/23/2012 10:00 27 21 2 7 0.25 7.6 85.12 430 30 0 1 177
    10/13/2012 13:00 31.5 21 2 7 0.25 8 89.6 440 30 0 1 133
    09/03/2012 10:45 31 27 2 7 < 0.25 3.9 48.36 550 16 0 0.7 117
    07/22/2012 10:00 27.5 28.5 3 7.5 0.25 5.65 71.76 400 7 0 0.15
    06/14/2012 18:45 33 30 3 7 < 0.25 6 78 750 2 1.2 0.95 249.5
    04/15/2012 10:00 27.5 21.5 3 7 810 25 0 0.5 117
    02/26/2012 11:00 29 14 5 7.5 < 1 9.55 93.59 650 9 0 0.225 100
    01/02/2012 14:00 16.5 10 3 7.5 < 1 9.8 88.2 490 9 0 0.3 133
    11/12/2011 17:00 26 21 2 7 < 1 5.2 58.24 580 30 0 0.5 150
    10/01/2011 12:00 34.5 22 3 7 < 1 4.3 49.02 540 30 0 0.35
    09/03/2011 13:00 37 28 3 7 < 1 3.5 44.1 520 30 0 0.4 83.3
    07/30/2011 10:00 30.5 28 3 7.5 < 1 2.7 34.02 520 40 0 1.05 33
    06/17/2011 09:00 30.5 27.5 3 7 < 1 2.5 31.25 570 28 0 0.95 33
    04/30/2011 10:15 27.5 21.5 3 7.5 < 1 5.25 59.32 790 50 0 1.1 117
    04/30/2011 10:20 27.5 21.5 5 7.5 < 1 4.8 54.24 790 150 0 0.83 90
    03/23/2011 17:00 32 25 2 7 < 1 8.2 98.4 810 15 0 0.9 167
    02/20/2011 11:00 27.5 20 2 7.5 < 1 9.7 106.7 720 11 0 1.05
    01/23/2011 17:30 11.5 9.5 2 7.5 4 10.4 92.56 910 7 0 0.6 166
    12/12/2010 16:30 15.5 10 2 7.5 2 10.3 92.7 700 42 0 > 1.2 50
    11/20/2010 17:00 25.5 19 2 7.5 < 1 6.8 73.44 660 8 0 1.05 150
    10/24/2010 17:50 24 20 2 7.5 < 1 6.6 72.6 670 32 0 0.75 134
    09/11/2010 10:00 31.5 27 5 7 < 1 4.15 51.46 670 3 0 0.2 416
    08/10/2010 17:00 35.5 31 2 7.5 < 1 4.85 64.02 650 14 0 1 167
    08/09/2010 08:20 26 28 3 650 21 0 1.15 200
    06/22/2010 17:45 31.5 31 2 7.5 < 1 7.65 100.98 750 13 0 0.55
    05/16/2010 16:30 28 25 5 7.5 < 1 5.9 70.8 620 2 1.63 0.35 267
    04/11/2010 17:00 20.5 19.5 3 7.5 < 1 8.1 950 18 0 1
    03/14/2010 17:00 26.5 20.5 3 8 < 1 9.9 109.89 980 5 0 1.05 67
    02/07/2010 13:00 11.5 9.5 5 7.5 < 1 9.4 83.66 300 3 0 0.08 583
    01/17/2010 13:00 16.5 9.5 5 7.5 9.35 83.22 550 2 1.4 0.08
    12/05/2009 15:00 10 8 2 7 < 1 10.8 92.88 300 4 0 0.12
    11/14/2009 12:45 26.5 18.5 3 7.5 < 1 7.1 75.97 540 8 0 0.85
    10/11/2009 08:30 16.5 18 5 7 < 1 6.35 67.31 660 2 1.19 0.9
    09/05/2009 10:15 30 26 5 7.5 < 1 4.45 54.29 510 7 0 0.55
    08/15/2009 18:45 36 30 5 7.5 < 1 5.5 71.5 490 3 0.98 0.55
    07/12/2009 19:00 35 29.5 3 8 < 1 6.3 81.27 490 85 0 0.8
    06/07/2009 17:10 34 27.5 3 8 < 1 6.6 82.5 500 50 0 0.95
    05/10/2009 08:40 25.5 25.5 3 7.5 < 1 4.8 58.08 760 22 0 0.8
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