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

  • Site 350
  • Colorado River at Bus Hwy 71 Bridge Columbus
  • 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)
    01/13/2025 08:30 7 9 2 8 < 0 8.2 590 4 0 1.1
    12/12/2024 08:43 12 14.5 Normal 9 5 9.7 96.03 866 7 0.01 0.86
    11/14/2024 08:45 20.5 20 1 9 < 0.5 6.45 70.95 899 9 0 0.7
    10/11/2024 08:47 20.5 23 2 9 < 0.5 6.1 70.76 698 16 0 0.49
    09/12/2024 08:46 24.5 27.5 3 < 1 6 75 228 30 0 0.44
    08/22/2024 12:07 34 32 2 9 0.5 7.1 95.14 727 12 0 0.25
    05/27/2013 08:00 23 26 3 8 < 2 5.5 67.1 560 2 0.17 0.88 60
    11/29/2010 17:00 25 18 3 7.6 2 9.1 96.46 630 87 0 .91
    09/06/2010 20:00 26 27 3 7.4 < 1 6.3 78.12 500 3 1.6 .3 30
    08/12/2010 20:00 28 32 3 7.5 < 1 6.8 91.12 540 35 0 .61 40
    07/13/2010 19:50 29 30 3 7.3 1 6.5 84.5 500 5 0 .2
    05/27/2010 20:00 26 27 3 7.4 1 6.6 81.84 520 12 0 20
    04/14/2010 14:05 22 21 3 7.7 4 7.4 82.88 590 25 0 .4 20
    03/10/2010 17:50 22 20 3 7.3 1 10 110 650 27 0
    02/15/2010 18:00 8 9 3 7.1 1 10 88 400 4 0 350
    01/18/2010 18:44 16.5 12 3 7.3 1 7.9 74.26 400 3 1.3 650
    12/14/2009 16:20 17 13 3 7.7 < 1 9 86.4 620 3 0.8 20
    11/19/2009 19:10 19 18 3 7.5 1 8.5 90.1 580 11 0 40
    10/15/2009 19:00 26 26 3 7.6 2 5.6 68.32 520 6 0.53 282.5
    07/09/2009 20:10 31 32 3 7.7 1 6.6 88.44 500 79 0.69 50
    06/13/2009 20:21 27 30 3 7.8 < 1 6.4 83.2 480 58 0 30
    04/08/2009 14:00 27 21 2 8.8 < 1 9.1 101.92 510 15 0
    03/15/2009 16:30 19 12 2 7 1 9 84.6 580 3 1.72 100
    02/11/2009 16:00 23 19 2 7.4 4 9.6 103.68 690 1 0.31
    01/11/2009 16:30 13 13 2 7.9 < 1 11.4 109.44 680 61 0 30
    12/08/2008 17:00 22 15 2 7.8 4 9.4 94 700 27 0 30
    11/12/2008 15:50 20 19 3 7.6 1 5.6 60.48 370 2 1.79 715
    09/08/2008 18:50 31 28 3 7.9 < 1 7.3 91.98 460 20 0 10
    07/08/2008 18:30 26.5 25 3 7.9 < 1 5.95 71.4 460 4 0.72 20
    06/06/2008 19:30 29.5 29 3 7.9 < 1 5.85 74.88 470 41 0 20
    05/12/2008 17:00 26 25.5 3 7.9 2 7 84.7 500 16 0 30
    04/09/2008 18:30 25 24 2 7.9 1 6.5 76.7 490 30 0 40
    03/11/2008 14:50 20 16 3 7.7 < 2 7.3 74.46 540 1 0.96 560
    01/09/2008 17:30 18 17 2 7.9 4 9.4 97.76 710 52 0.23 30
    12/11/2007 17:00 24.5 20 2 7.9 1 8.75 96.25 640 22 0 50
    11/12/2007 16:30 27.5 24 2 7.9 2 8.8 103.84 620 75 0 20
    09/10/2007 17:30 32 30 3 7.8 < 1 7.6 98.8 440 13 0 20
    07/08/2007 16:00 29 25.5 5 7.8 1 5.3 64.13 300 3 0.94 50
    06/10/2007 18:30 30.5 27 3 7.8 < 1 6.8 84.32 510 7 0 70
    05/10/2007 18:30 26 27 3 7.8 < 1 6.5 80.6 500 10 0
    04/02/2007 16:00 25 23 3 7.5 < 1 5.6 64.96 320 2 1.4 240
    03/07/2007 16:00 23 20 2 8.3 6 11 121 690 43 0 10
    02/10/2007 16:00 10 13 2 7.8 6 10 96 710 20 0 30
    01/09/2007 17:30 15.5 13.5 2 7.5 6 8.4 81.48 460 5 0 140
    12/12/2006 15:00 27 21 2 7.8 1 11.6 129.92 610 57 0
    11/05/2006 17:00 26 23 2 7.4 < 1 8.8 102.08 600 19 0 40
    10/08/2006 18:00 28 28 2 7.8 < 1 9.1 114.66 550 14 0 10
    09/10/2006 08:00 24 25 Low 7.8 < 1 6.8 81.6 573 50 0.04 20
    06/28/2006 10:55 30 28 Normal 7.7 < 1 6.15 77.49 510 10 0
    06/07/2006 12:00 28 26 3 8.5 < 1 6.6 80.52 725 7 1
    05/10/2006 17:15 30 27 Normal 7.5 < 1 4.9 60.76 360 4 0
    05/09/2006 10:00 28 24 High 7 < 1 5.4 63.72 725 3 1
    04/07/2006 09:25 25 24 Low 7.5 < 1 5.4 63.72 650 13 0
    04/07/2006 09:25 25 24 Low 7.5 < 1 5.4 63.72 650 13 0
    04/07/2006 09:25 25 24 2 7.5 < 1 5.4 650 13 0
    03/12/2006 17:00 27 25.5 Low 7.4 < 1 9.4 113.74 620 42 0
    02/08/2006 16:00 22 17 Low 7.3 < 1 10.2 106.08 650 11 0
    01/09/2006 17:30 22 18 Low 7.4 4 9.6 101.76 650 45 0
    11/13/2005 15:45 29 26 Low 7.3 < 1 7.2 87.84 640 43 0
    09/12/2005 18:20 25.5 28 Normal 7.3 < 1 6.2 78.12 510 33 0.03
    08/09/2005 18:35 28.6 31 Normal 7.3 < 1 7.75 102.3 490 21 0
    07/07/2005 18:20 34 32 Normal 7.8 < 1 8.9 119.26 440 38 0.54
    06/10/2005 19:00 29 29.5 Normal 7.3 < 1 7.15 92.24 470 11 0
    05/11/2005 19:00 24.5 23 High 7.2 < 1 6 69.6 390 3 2.3
    04/06/2005 16:00 25.5 20 Normal 7.3 < 1 7.7 84.7 500 10 0.04
    03/08/2005 16:00 19.1 15.5 High 7.3 < 1 8.05 81.31 470 3 0.5
    07/11/2004 17:10 29.5 29 Normal 8.2 < 1 8.4 107.52 550 12 0.14 940
    07/11/2001 14:20 29 31.5 Low 8.4 < 1 7.9 103.5 520
    03/14/2000 12:45 17 17 Normal 7.3 2 7.8 79.6 0 200
    07/15/1998 07:10 25 30 Normal 8.1 < 2 5.9 75.5 1 1.2 .8
    05/22/1998 12:00 28.5 25 Low 8 < 1 7 82 4 0
    05/06/1998 12:00 28 23 Normal 7.9 < 1 6.7 76.4 9 0
    05/01/1998 10:38 27 20 Low 7 < 1 7.9 85.3 4 0
    04/22/1998 12:05 22 19 Low 8.1 8 84.3 2 1.58
    04/08/1998 10:30 24.5 19 High 8 7.2 75.8 2 0.04
    04/01/1998 12:00 22.5 17 High 8.1 < 1 8 81.1 2 0.05
    03/25/1998 10:30 24 16 High 7.9 < 1 6.7 67.3 9 0
    03/18/1998 12:00 19 15 High 7.8 < 2 7 68.6 2 1.15
    03/04/1998 10:33 20.5 14.5 High 7.9 < 1 8.7 84.4 4 0
    02/19/1998 10:20 15 13 7.8 < 1 9.3 94 1
    02/11/1998 12:00 18 13 8.2 < 1 7.7 77 1 0.4
    01/28/1998 12:06 18.5 13 8.2 < 1 9.7 2 0.15
    01/21/1998 10:40 23.5 15.5 8.1 < 1 9.2 96 4 0
    01/13/1998 12:00 16 14.5 7.4 < 1 8.7 92 2 0.84
    12/09/1997 12:00 24 17 7.7 < 1 8.5 93 0.82
    12/02/1997 10:30 4.5 4.5 7.2 1 9.1 83 4 0
    12/01/1997 15:30 13 15 7.7 < 1 7.2 78 3 3
    11/13/1997 10:25 15 14 7 < 1 10 97 1 0.1
    10/28/1997 10:46 11 15 8 < 2 8.75 91 5 0
    10/22/1997 12:40 18 20 7.8 < 1 6.7 98 10 0
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