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

  • Site 55
  • Colorado River below Highway 71 Smithville
  • Hydromet Rainfall
  • Hydromet Flow
  • Graph Data
  • Images
    • Download
    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)
    01/31/2025 09:00 14 13.5 2 7.5 < 2 8 770 1 0.45 0.31
    12/31/2024 15:50 23 18.3 3 2 13.75 146.58 830 3 0.17 0.12
    12/03/2024 08:45 10 13 3 8 < 10 7.6 72.96 870 10 0 > 1.07
    11/30/2024 10:30 21 16 1 8 1 9.75 99.45 830 13 0 0.4
    11/05/2024 11:30 20 23 3 7.5 < 4 5.55 64.38 850 0 1.33 > 0.77
    10/01/2024 18:00 32 28 2 8 1 7.25 91.35 650 7 0 0.33
    09/02/2024 10:30 30 30 3 7.5 1 5 65 730 6 0.06 0.18
    07/21/2024 10:00 30 30 2 7 1 4.5 58.5 660 3 0.36 0.16
    07/03/2024 17:15 33 32 3 8 2 6.75 90.45 790 13 0 0.49
    05/31/2024 16:30 30 28 2 7.5 2 6 75.6 790 0 0.77 0.17
    04/23/2024 14:30 23 23 2 7.5 4 7 81.2 820 6 0 0.26
    03/31/2024 11:55 24 22 3 4 8 91.2 6 0 0.29
    02/25/2024 11:00 20 20 3 8 2 9.5 104.5 780 14 0 0.165
    02/04/2024 11:25 25 17 3 7 2 7.25 75.4 640 1 0.92 .06
    12/31/2023 15:00 28 15 2 7 1 9.25 92.5 640 7 0 .23
    11/26/2023 15:00 13 15 3 7.5 4 9.5 95 6 0.01 0.95
    10/29/2023 12:30 21 24 3 7 1 5.25 61.95 350 0 0.96 0.08
    10/08/2023 11:30 20.5 21.5 3 7 4 5.95 67.24 780 2 1.6 0.46
    08/31/2023 16:00 35 31 2 8 1 5 66 650 9 0 0.34
    07/31/2023 09:00 30 31 2 7.5 1 3.75 49.5 690 30 0 0.28
    05/31/2023 18:30 30 30 1 8 1 12 156 600 5 0 .18
    04/30/2023 10:30 23 26 3 7 2 5.5 520 2 0.66 0.04
    03/31/2023 14:21 28 22 3 8 4 8.25 94.05 800 5 0 0.035
    02/25/2023 13:45 19 18 2 6 9.25 98.05 780 9 0 .43
    12/21/2022 14:00 10 10 2 7 6 8 72 540 1 0.65 0.035
    11/27/2022 11:00 24 17 4 7 1 7.25 75.4 1 1.73 0.13
    10/30/2022 12:45 24 19.5 2 8 < 8 8 87.2 750 2 0.6 0.27
    09/22/2022 11:00 31 2 9.5 2 6 680 14 0 > 0.18
    08/28/2022 09:00 28 30 2 7.5 2 3.25 42.25 520 7 0 0.18
    07/31/2022 09:20 28 30 3 1 5 65 590 30 0 0.36
    06/26/2022 08:35 28 28 2 7.5 1 3.75 47.25 560 30 0 0.16
    05/30/2022 09:15 28 28 3 8 1 5 63 5 0 0.24
    05/01/2022 15:45 33 28 3 8 2 6 610 6 0.16 0.14
    03/27/2022 15:20 30 24 2 7.5 2 7 82.6 540 5 0 .25
    02/27/2022 17:00 15 11 3 8 4 14.83 136.44 800 1 0.16 > 1.22
    01/30/2022 10:30 20 14 3 8 < 4 10 98 780 6 0
    12/28/2021 10:45 25 22.2 3 7.5 1 7 80.08 740 10 0 0.46
    11/28/2021 12:50 19 18.1 2 8 2 9.25 98.24 800 1 0.81 0.62
    08/23/2016 10:00 28 26.5 4 7 0.3 4.7 57.81 330 1 2.17 0.06 640
    07/26/2016 08:55 26.5 30 3 7 < 1.2 6.4 83.2 540 30 0.14 0.25 10
    06/21/2016 10:00 29.5 28.5 3 7.5 < 0.6 5.3 67.31 460 17 0 0.13 40
    05/10/2016 10:45 30 23 3 7 0.6 6.05 70.18 500 8 0.05 0.3 20
    04/26/2016 10:45 25.5 20 5 7.5 < 0.6 6.25 68.75 430 6 0.09 0.12
    03/20/2016 09:30 10 18 3 7.5 2.6 7.2 76.32 660 10 0 0.2 40
    02/08/2016 09:00 11 12.5 2 8 1.8 10 95 750 30 0 0.5 40
    01/19/2016 09:25 13 11.5 3 8 < 2.2 9.8 91.14 690 13 0.1 0.5 10
    12/18/2015 10:15 8 13.5 3 7.5 0.6 8.25 80.02 540 5 0 0.18 80
    11/17/2015 10:30 14 19.5 3 7.5 2.6 6.75 73.58 630 0 1.58 0.24 510
    10/20/2015 08:55 15.5 21 2 8.5 6 7.05 78.96 770 30 0 0.86 30
    09/16/2015 09:00 25.5 27 2 7.5 2.5 5.9 73.16 530 1 0.28 0.46
    08/19/2015 07:30 25 29.5 2 8 3 4.9 63.21 750 30 0 0.49 30
    07/21/2015 10:30 29.5 30 2 7.5 3 5.05 65.65 740 20 0 0.3 10
    06/17/2015 09:40 26 26.5 5 7.5 < 2 4.8 59.04 620 0 2.22 0.075 730
    05/20/2015 09:35 27 25 5 7 < 0.75 4.7 56.4 440 2 1.94 0.08 70
    04/21/2015 09:10 18 21 3 7.5 2.5 5.9 66.08 670 3 0.68 0.15 400
    03/17/2015 12:45 22 19 3 7.5 < 3 7.3 78.84 640 8 0 0.64 10
    02/20/2015 09:10 17 14 3 8 < 3 9.3 91.14 750 17 0 > 1.21 10
    01/21/2015 09:00 12.5 13 2 8 0.3 9.45 90.72 690 10 0.11 0.55
    12/18/2014 09:00 11.5 15 2 8 4 7.9 79 760 7 0.01 0.89 30
    11/20/2014 09:10 12.5 11 2 8 3 10 92 640 15 0.02 1.14
    10/24/2014 08:30 14.5 23 2 8 3 7.3 84.68 630 11 0.01 0.65 20
    09/18/2014 09:15 23 27 3 7.5 3 5.3 65.72 610 0 1.4 0.6 170
    08/20/2014 10:00 30.5 29.5 3 7.5 5 4.7 60.63 710 20 0 0.41 10
    07/17/2014 08:45 26 29.5 2 7.5 1.5 4.75 61.28 700 23 0 0.26 10
    06/19/2014 09:15 27 29 3 7.5 < 1.5 4.8 61.44 540 7 0 0.39 30
    05/20/2014 08:40 23 24 3 7 1.5 5.5 64.9 560 7 0 0.29 70
    04/17/2014 09:30 17.5 18 3 7.5 3 7.3 77.38 730 10 0 0.61 40
    03/25/2014 09:20 11.5 16.5 2 8 2.5 8.3 85.49 780 17 0 0.51 10
    02/23/2014 08:45 17 18 2 7.5 < 2 7.4 78.44 820 30 0 0.55 10
    01/17/2014 09:10 10 12 3 8.5 < 1.5 10.4 97.76 790 8 0 0.76 40
    12/17/2013 09:30 8 10 3 8 3 9.85 88.65 750 22 0 0.79 20
    11/30/2013 09:25 11 10.5 3 7 < 2 8.7 79.17 560 5 0 0.128 240
    10/22/2013 10:30 15.5 20 3 7 3 5.7 62.7 580 6 0.15 0.21 50
    09/26/2013 09:30 24.5 26 2 7 0.75 4.45 54.29 500 6 0 0.31 20
    08/22/2013 08:55 26 29 2 7.5 < 1.5 4.75 60.8 660 30 0 0.33 30
    07/11/2013 09:00 28.5 30 2 8 1.5 4.9 63.7 600 11 0 0.3 60
    06/21/2013 08:35 27 29.5 2 8 2.5 4.8 61.92 640 19 0 0.3 10
    05/23/2013 11:30 27 27 2 7.5 2.25 4.63 57.41 640 13 0 0.31 40
    04/16/2013 10:25 23.5 23 2 7 6 5.3 61.48 730 14 0 0.3 50
    03/28/2013 09:10 15.5 17 2 8 4 8 83.2 790 8 0 1.14 20
    02/26/2013 08:40 8 14 2 8 4 7.9 77.42 810 20 0 0.75 20
    01/22/2013 09:00 8 13 2 7 4 8.7 83.52 690 13 0 0.6
    12/23/2012 08:40 17 14 2 7 4 8.2 80.36 790 7 0 0.95 10
    11/22/2012 08:45 11.5 17 2 7.5 4 8.35 86.84 790 30 0 > 1.2 20
    10/29/2012 09:00 5.5 15.5 2 8 4 8.18 82.62 730 30 0.06 0.56
    09/28/2012 10:15 27 27.5 2 7.5 3 5.3 66.25 640 12 0 0.47 40
    04/10/2009 11:15 20.5 21 3 8 < 4 8 89.6 540 8 0 0.72
    03/10/2009 12:50 27 21.5 3 8 < 2 7 79.1 570 150 0 > .7 0.85
    02/02/2009 10:05 16 12.5 3 8 < 2 10.5 99.75 660 150 0 > .8 0.75
    01/09/2009 10:50 21 14 3 8 < 6 9.9 97.02 660 120 0.34 > .8 0.75
    12/10/2008 14:10 6 9.5 2 8 < 4 9 80.1 640 30 0.08 > .8 0.6
    11/08/2008 11:15 24.5 18 2 8 < 4 6.3 66.78 590 30 0 0.63
    10/12/2008 15:30 31 24 3 8 < 2 7.13 84.17 470 5 0 > 1.1 0.65
    09/08/2008 10:00 27 27 3 8 < 1 5.4 66.96 460 19 0 .9 0.66
    08/03/2008 13:30 36 31 3 8 < 1 6.1 80.52 570 10 0 .35 0.25
    07/11/2008 10:30 29 27.5 3 8 < 1 6 75 440 10 0.18 .45 0.25
    06/10/2008 11:15 29 27 3 8 < 1 5.35 66.34 430 15 0 .3 0.2
    05/03/2008 10:40 26.5 22 3 8 < 1 6.8 77.52 440 7 0 .3 0.16
    04/09/2008 10:15 22 26 3 8 < 1 6.45 78.69 480 30 0 .4 0.25
    03/08/2008 14:30 15.5 14 2 8 < 1 10 540 22 0.53 > .8 0.8
    02/02/2008 12:00 19.5 17 2 8 < 4 9.7 100.88 600 2 0.17 1.05
    01/12/2008 11:15 18.5 14 2 8 < 1 8.88 86.98 610 28 0 > .6 0.65
    12/08/2007 10:55 25 18.5 2 7 < 1 8.2 87.74 620 15 0 0.5
    11/10/2007 10:15 24.5 21 2 8 2 6.15 68.88 620 20 0 0.305
    10/14/2007 11:45 27 25 3 8 < 1 7.68 92.1 560 14 0.1 0.38
    09/08/2007 13:30 31.5 28 5 8 < 1 5.8 73.08 420 5 0 0.38
    08/10/2007 10:30 29 29 5 7.5 < 1 5.4 69.12 430 8 0 0.175
    07/09/2007 10:30 31 26 4 7.5 < 1 4.65 56.73 310 4 0.21 0.1
    06/11/2007 12:30 29 25 5 8 < 1 5.2 62.4 510 7 0 0.15
    05/12/2007 11:45 27 26 3 8 3 7.2 87.84 610 12 0.02 .3 0.17
    04/05/2007 12:30 19.5 22 5 7.5 < 1 5.5 62.7 540 6 0.16 .25 0.16
    03/05/2007 11:20 15 13 2 8 < 2 8.9 680 30 0 > 2 1.1
    02/05/2007 13:20 16.5 11.5 3 8 2 8.98 83.47 640 12 0 0.73
    01/07/2007 11:40 25.5 13 5 7 < 1 7.7 73.92 380 4 0.92 0.03
    12/06/2006 14:40 21.5 15.5 2 7.5 2 9.1 91.91 530 15 0 > 1.2
    11/07/2006 17:00 2 8 4 9.75 610 8 0 > .25
    11/03/2006 11:00 13 19.5 2 7.5 < 1 10.15 110.64 540 9 0 > .3
    10/07/2006 18:30 22 26 3 8 1 7.3 89.06 540 14 0 > .5
    10/06/2006 10:40 28 26.5 3 7.5 < 1 5.6 68.88 550 10 0 .75
    09/04/2006 17:20 32 29 Low 8 < 1 6.3 80.64 540 30 0 > .5
    09/02/2006 11:30 33 29 High 7.5 < 1 5 64 540 15 0 .5
    08/12/2006 10:40 29.5 30 High 540
    08/09/2006 09:47 28.5 29.5 High 7.5 < 1 5 64.5 2 0.41 .23
    07/30/2006 14:45 35 31 Normal 7.5 < 1 6.15 81.18 560 5 0 > .75
    07/07/2006 10:40 25 27 High 7.5 < 1 5.3 65.72 500 1 1.69 .25
    07/02/2006 14:15 28.5 28 High 7.5 < 1 6.4 80.64 520 10 0.41 .33
    06/23/2006 10:10 29 27.5 High 7.5 < 1 4.8 60 480 1 1.44 .3
    06/07/2006 15:00 32.5 29 Normal 7.5 < 1 6.2 79.36 520 6 0 .75
    06/01/2006 10:30 24 24.5 High 7.5 < 1 4.8 57.12 500 15 0.27 .3
    05/05/2006 09:40 24.5 25 Flood 7 < 1 5.4 64.8 490 0 1.07 .3
    05/05/2006 15:40 28 26 Normal 7.5 < 1 6.6 80.52 1 1.1 .25
    04/06/2006 13:05 27.5 22.5 Normal 7.5 < 1 4.2 48.3 490 5 0 .2
    04/04/2006 14:15 28 25 Normal 7 < 1 5.6 67.2 520 8 0 .25
    03/07/2006 14:45 35 22 Normal 7.5 < 1 8.35 95.19 610 30 0 > 1
    03/03/2006 10:40 17 17.5 Low 7 5.8 60.9 640 5 0 .33
    02/04/2006 09:26 10.5 13 Low 7 < 1 10 96 570 3 1.5 > .4
    02/04/2006 12:05 Normal 7.5 < 1 8.3 500 30 0 > .5
    01/05/2006 09:20 13 13 Low 7 2 8.1 77.76 650 30 0 > .33
    01/04/2006 13:30 25 21 Low 7.5 7.2 80.64 640 0 > 1.5
    12/09/2005 14:28 4.5 8.5 Low 7.5 12.55 109.19 1
    12/09/2005 14:27 7 9.5 Low 8 4 12.4 110.36 650 1 > .3
    11/15/2005 16:35 27.5 25 Low 7 4 6.7 80.4 660 0 .25
    11/10/2005 15:00 No Flow 0
    10/09/2005 15:00 27 26 Normal 7.5 < 1 7.35 89.67 490 7 0 > .75
    09/04/2005 14:10 35 34.5 Normal 7.5 < 1 5.78 80.27 500 3 0.25 > .5
    08/08/2005 14:45 38 35 Low 7.5 < 1 5.05 70.7 470 7 0 .5
    07/06/2005 13:20 35 30 Normal 7 < 1 7.85 102.05 470 30 0 1
    06/05/2005 14:15 34.9 30 Normal 7.5 < 1 5.85 76.05 480 7 0 > .5
    05/07/2005 13:30 27 24 Low 7 < 1 6.65 78.47 540 7 0 > 1
    04/10/2005 14:00 26 24 Normal 7.5 < 1 7.3 86.14 500 7 0 > 1
    03/05/2005 15:00 21 15 High 7.5 < 1 8.8 88 440 3 1.5
    02/15/2005 09:30 18 16 Normal 7.5 < 1 7.9 80.58 500 9 0 .58
    01/20/2005 08:45 12 12 High 8 < 1 10.65 100.11 520
    11/16/2004 09:20 18 15 Low 8 4 8 80 580
    10/12/2004 12:00 24 24.5 Normal 8.1 < 1 7.6 90.44 510 6 0 .23
    09/09/2004 09:08 21.5 26 Normal 7.8 < 1 7.6 92.72 570
    07/12/2004 16:00 32 29 Normal 8 < 1 6.7 85.76 540 40
    05/13/2004 12:45 27.5 25 Normal 8.1 < 1 7.2 86.4 500 0.15 .25
    03/15/2004 08:40 17 18.5 Normal 7.9 < 4 7.7 82.39 580 7.75
    01/14/2004 14:55 22 15 8.6 4 11.9 119 560
    11/10/2003 16:00 24.5 20 No Flow 8 < 4 9.8 107.8 620 0.001
    09/12/2003 13:38 28 27 Normal 8.3 < 1 7 86.8 440 0 3 950
    07/19/2003 10:15 28 8.1 6.8 490
    04/22/2003 10:14 20 22 Low 7.9 1 7.2 82.08 540 1 0.25 1.3
    03/18/2003 14:00 21.5 19 Normal 8 < 1 7.4 79.92 550 14 0.1
    03/13/2003 12:45 33 20 Low 8 < 1 8.55 94.05 510 0 .6 40
    02/09/2003 16:25 22 13 Low 8.1 < 1 10.75 103.2 540 3 1
    11/14/2002 17:55 20 18 Normal 7.9 1 8.5 90.1 570 9 0 50
    09/12/2002 00:00 28 24 Low 8.1 < 1 9.1 107.38 510 1
    08/23/2002 16:15 36 32 Normal 8.2 < 1 7.8 102.3 430
    05/22/2002 11:00 20 20 Normal 8.2 < 1 6.8 73.4 510 21 0.9
    05/13/2002 09:10 16 22 Normal 8.2 < 1 7.3 81.2 470 0 0.01 220
    03/14/2002 08:30 17.5 14 Low 8.3 < 2 8.2 78.7 600 0 0.1 20
    01/11/2002 12 13 Normal < 1 9.9 93.1 550 7 0
    11/06/2001 16:50 24 22 Low 7.6 2 8.2 91.8 600 4 0 460
    10/03/2001 16:00 28 24 Normal 8.1 < 2 9.1 105.6 510 32 0
    09/06/2001 11:10 28 25.5 High 7.6 < 1 5.5 65.5 330 0
    07/11/2001 11:50 32 28 Normal 8.2 < 1 5.2 64.5 500 9 0
    06/13/2001 14:25 33 30 Normal 8.3 < 1 6.2 79.4 560 4 1.7
    06/13/2001 14:24 33.5 30 Normal 8.3 < 1 6.4 81.9 580 4 0
    04/18/2001 11:30 15 20 Normal 7.8 < 1 7.9 85.3 570 1 0.75
    04/18/2001 10:45 20.5 19.5 Low 7.7 < 1 6.5 69.6 560
    03/25/2001 17 17 Low 7.8 < 1 9.3 94.3 540 0 0.01
    03/24/2001 18 18 High 8.2 < 1 8.2 84.8 500 0 0.2
    03/14/2001 14:46 15 17 High 9 < 1 9 91.8 430 0 1000
    01/16/2001 15:11 10 11.5 High 7.4 < 1 9.6 87.4 540 0 150
    09/14/2000 12:50 28.5 27 Normal 8.2 < 1 6.9 84.2 570 0 10
    07/21/2000 12:48 36 30.5 Normal 7.3 < 1 5.8 74.8 0
    05/12/2000 17:30 32 29 Normal 7.4 < 1 7 88.2 10
    04/18/2000 13:25 27.5 27 Normal 7.1 < 1 10.4 126.9 4 0
    03/22/2000 23 20 Low 7.8 < 2 8.1 87.8 0 1.25
    03/01/2000 09:30 25 20 Low 7.6 < 1 7.2 77.8 0 0.12
    01/26/2000 09:50 Normal 8 < 6 10
    01/12/2000 09:50 20 17 Low < 1 9.6 97.9
    12/03/1999 11:00 26 19 7.9 < 2 8.4 89
    11/10/1999 11:00 20 20 7.6 4 8 85.9
    10/29/1999 11:00 26 21 7.4 4 7.6 83.6
    10/15/1999 11:00 29 25 7.8 < 1 6.5 76.7 .91
    09/28/1999 11:30 30 27 8.2 < 1 7 85.4
    09/16/1999 11:30 34 28 8.4 < 1 6.4 79.4 14 0
    09/01/1999 11:20 32 30 7.4 < 1 5.2 66.6 3 0.1 1.03
    04/22/1999 10:00 27 23 High 8.1 2 7.3 83.2
    04/07/1999 10:00 26 22 7 4 7.7 86.2
    03/31/1999 19 15 Normal 8.2 8.1 79.4
    03/04/1999 10:30 22 18 Normal 7.8 2 10.3 107.1
    02/11/1999 10:00 28 23 8 < 2 7.3 83.2
    01/28/1999 10:35 23 18.5 Normal 7 < 2 8.7 90.8 0 0.1
    01/15/1999 10:40 6 11 Low 7.4 4 13.1 117.5
    12/10/1998 11:05 15 14 7.9 4 9.7 93.1
    11/12/1998 10:30 12 17 Normal 7.8 4 8.6 87.2 0 1
    10/28/1998 10:45 24.5 22.5 Normal 7.8 2 7.4 83.6 8
    10/16/1998 10:36 31 25 Normal 8 < 1 7 82.6 37
    10/01/1998 10:36 38 29 Normal 8 < 1 6.4 80 18 0
    07/15/1998 09:10 28.5 29 Normal 8.2 < 2 6 75.6 1
    03/26/1997 8:32 16 16 8 < 1 1
    03/20/1997 9:54 19 15 8.1 < 1 9.2 3
    02/27/1997 10:16 14 12 7.8 < 1 9.2 1
    02/14/1997 8:24 11 9 8.4 4 9.6 81 0
    01/31/1997 9:55 19 12 8.2 11.5 105
    01/21/1997 8:30 16 12 8.1 < 1 10.2 0
    12/05/1996 9:55 20 15 7.7 < 1 5.4 1
    11/26/1996 10:04 11 14 8 < 1 6.4 62 2
    11/22/1996 8:35 15 19 8 < 1 7.1 75 7 .46
    10/24/1996 9:00 17 21 8.2 4 6 67 0
    10/18/1996 9:50 18 25 8.4 < 6 8.3 100 2
    09/28/1996 9:00 20 27 7.8 2 8.45 110 0
    03/22/1996 08:15 18 15 8 < 1 9.4 90 5
    03/08/1996 08:25 4 11 7.4 1 9.8 86
    02/15/1996 08:20 18 17 Low 8.4 4 10.1
    02/08/1996 08:30 17 14 8.2 2 10.15 2
    01/26/1996 08:28 18 15 8.4 4 2 1
    01/19/1996 08:15 5 13 8.6 4 9.9 4 0
    12/07/1995 08:30 8.1 4 5.6 20
    11/17/1995 08:15 14 16.5 Normal 7.8 3 8.5 87 0
    11/08/1995 08:40 18 17 7.6 4 8.9 90
    10/05/1995 08:30 20 24 Normal 7.2 7
    09/20/1995 08:35 25 26 Normal 7.8 6.3
    An unhandled error has occurred. Reload 🗙