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

  • Site 356
  • Llano River at CR 2389
  • 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)
    11/11/2025 09:00 15 15.4 3 7.7 8.2 430 18 0 > .66
    10/20/2025 09:00 22.5 22.4 2 7.8 6.9 430 26 0 > .6
    09/15/2025 09:00 23 26.5 3 7.7 5.8 420 8 0 > .74
    08/17/2025 09:00 23.8 27.7 3 7.8 5.15 430 17 0.03
    02/16/2025 09:00 3 11 3 7.8 9.6 420 5 0 > .72
    01/15/2025 09:00 6.5 8.8 3 7.7 10.7 410 6 0 > .67
    12/14/2024 09:00 17.5 15 3 7.8 6.1 61 410 30 0 > .67
    10/21/2024 09:15 17 21.5 2 7.7 6.65 75.15 410 28 0 > .6
    09/17/2024 09:00 25 28 3 7.8 5.3 66.78 390 11 0 > .29
    08/15/2024 09:00 27 29 3 7.8 4.8 61.44 390 25 0 > .74
    03/19/2024 09:00 12 16.3 3 7.5 7.4 75.92 420 11 0.3 > .55
    02/18/2024 09:00 6.4 10.3 3 7.7 9.1 82.45 430 7 0
    01/18/2024 10:45 9 8.7 2 7.6 10.9 95.27 470 14 0 > .2
    12/15/2023 09:00 16 13.7 1 7.8 10.5 102.27 440 30 0.3 > .25
    11/15/2023 09:00 15 16 3 7.8 8.3 84.66 410 20 0.3 > .26
    10/16/2023 09:00 11.5 18.5 1 7.8 7.95 85.06 340 11 0 > .96
    09/18/2023 09:00 23 26 1 7.8 5.25 64.05 380 4 0 .81
    08/16/2023 09:00 23.4 28.7 1 7.6 4.8 61.15 400 30 0 .5
    05/15/2023 09:00 25 26 1 7.8 5.4 65.88 390 2 1.5 .63
    04/15/2023 09:00 20.3 22.5 1 7.8 8.6 98.9 390 8 0 .81
    03/15/2023 09:00 12.6 14.8 1 7.8 8.2 81.67 390 30 0 .93
    02/15/2023 09:00 17.3 14.1 2 7.8 8.7 410 30 0 1.01
    01/16/2023 09:00 14.8 13.6 2 7.6 9.1 88.45 400 30 0 > 1
    12/16/2022 09:00 7.5 11 3 7.8 8.8 80.96 400 25 0 .95
    11/15/2022 09:00 5.5 12 3 7.6 8.6 80.84 360 4 0.05 > 1.06
    10/08/2022 09:00 19.5 23.1 1 7.8 5.75 66.82 370 30 0 .91
    09/15/2022 09:00 24 26.4 2 7.8 5.9 72.45 370 15 0 .8
    08/16/2022 09:00 24.3 27.6 1 7.8 5.4 67.61 410 30 0 .79
    07/17/2022 09:00 25.4 29.7 1 7.8 5.4 69.88 380 30 0.15 .91
    06/15/2022 09:00 26 28 1 7.8 5.4 68.04 380 11 0 > .78
    05/15/2022 09:00 27 24.1 1 7.8 5.7 67.37 370 30 0 .75
    04/15/2022 09:00 20.5 21.5 1 7.8 6.6 74.58 380 30 0 .65
    03/15/2022 09:00 17 14 3 8.2 80.36 390 30 0 .83
    02/16/2022 09:00 17 13 3 7.8 8.8 84.48 400 11 0 > .97
    01/15/2022 09:00 8.5 10 2 7.8 9.6 86.4 420 4 0 > 1.1
    12/15/2021 09:00 19.5 17 2 7.8 8.2 85.28 420 30 0 > .99
    11/16/2021 09:00 21 23 1 7.8 7.4 85.84 400 13 0 .87
    10/15/2021 09:00 24 25 1 7.8 5.7 68.4 380 2 0.6 > .92
    09/15/2021 09:00 24 25 3 7.8 6.1 73.2 350 29 0 .76
    08/23/2021 09:00 27.5 28 3 7.8 5.8 73.08 350 6 0 .73
    07/11/2021 09:00 25 28 3 7.8 6.35 80.01 350 6 0.2 > .98
    06/30/2021 09:00 25.5 27.5 3 7.8 6.4 80 350 1 0.36 > .92
    05/15/2021 09:00 22 21.5 3 7.8 7 79.1 380 6 0.01 > .98
    04/16/2021 09:00 18 19.5 1 7.8 6.7 73.03 420 1 0.42 1.07
    03/15/2021 09:00 8.5 16.5 2 7.8 7.9 81.37 360 30 0.04 > 1.11
    02/20/2021 09:00 7.5 4 3 7.6 12.9 100.62 410 3 0.7 > 1.07
    01/15/2021 09:00 7 8 3 7.8 9.6 82.56 400 5 0 > 1.06
    12/18/2020 09:00 10 9.2 3 7.8 10 88.4 400 20 0 > 1
    11/15/2020 09:00 17 18.5 1 7.8 7 74.9 370 20 0 > .97
    10/24/2020 09:00 13 19 1 7.8 7.3 78.84 350 30 0 > .95
    09/23/2020 09:00 23 23.5 2 7.8 6.5 76.05 350 14 0.05 > .99
    08/15/2020 09:00 29.5 29.5 2 7.8 5.4 69.66 350 30 0 .89
    07/16/2020 09:00 28.5 29.5 1 7.8 5 64.5 350 23 0 .78
    06/15/2020 09:00 25.5 26.5 1 7.8 5.45 67.04 360 30 0 .64
    05/15/2020 09:00 24.5 25.5 1 7.8 6.1 73.81 380 3 0.6 .72
    04/15/2020 09:00 10 15.5 2 7.8 8 80.8 3 0.5 1.11
    03/15/2020 09:00 16 19 1 7.8 7.2 77.76 370 10 0 > 1.09
    02/15/2020 09:00 7 10 2 7.8 9.4 84.6 400 3 1.5 > 1.43
    01/18/2020 09:00 16 13 2 7.9 8.9 85.44 390 1 1.2 > 1.11
    12/15/2019 09:00 13 12 1 8 8.6 80.84 390 30 0 > 1.07
    11/15/2019 09:00 6 8.5 2 7.8 9.4 81.78 400 8 0 > 1.06
    10/15/2019 09:00 22 22 1 7 7.5 85.5 370 4 0.01 > 1
    09/15/2019 08:45 20 27 1 7.8 4.4 54.56 350 16 0.33 > .39
    08/14/2019 07:45 22.5 29 1 7.8 4.2 53.76 350 30 0 > .41 0.0375
    07/16/2019 07:45 24 29 1 7.8 4.1 52.48 2 0.16 > .41
    06/09/2019 09:00 26 28 1 4.25 53.55 370 3 0.8 > 20.5 1
    05/17/2019 09:00 24.5 24.5 1 7.8 5.8 69.02 380 4 0.4 > .79
    04/21/2019 09:00 19 19.5 1 7.8 6.3 68.67 400 3 0 > .67
    03/17/2019 09:00 18 14.5 1 7.8 8.3 420 5 0 > .63
    02/15/2019 09:00 16.5 13 2 7.8 8.4 80.64 440 30 0 > .75
    01/15/2019 09:00 9 10 1 8 9.2 82.8 460 20 0 > .84
    12/16/2018 09:00 7 8.5 1 8 9.4 81.78 490 2 0.48 > .82
    11/18/2018 09:00 8.5 13 3 8 8.7 83.52 520 24 0 > .42
    09/17/2018 09:00 24 25.5 2 7.7 5.7 68.97 360 2 2.1 .44
    08/16/2018 09:00 27 28 2 8 3.55 44.73 360 6 1 .49
    07/13/2018 09:00 24.5 29.5 1 8 4.45 57.41 350 5 0 .67
    06/17/2018 09:00 25 27.5 1 8 5.3 66.25 350 8 0 .54
    05/18/2018 09:00 24 26 1 4.45 54.29 300 14 0.4 .33
    04/14/2018 09:00 13 18 1 8 6.1 64.66 380 30 0 .68
    03/16/2018 09:00 17 17 1 7.5 6.9 71.76 370 21 0 .76
    02/17/2018 09:00 11.5 15 2 8 7.25 72.5 380 30 0 1.04
    12/14/2017 09:00 7 9 2 8 440 30 0 > 1.27
    11/13/2017 09:00 18 18 1 8 6.95 73.67 420 30 0.3 > 1.15
    10/29/2017 10:00 13 12 2 7 8 75.2 410 30 0 > 1.27
    09/19/2017 09:00 24 27 2 7 4.2 52.08 380 30 0 1.18
    08/15/2017 09:00 25 29 1 8 4.8 61.44 370 8 0 .85
    07/16/2017 08:45 24.5 29 1 7.5 3.6 46.08 370 7 0 .64
    06/19/2017 09:00 26 29 1 7.7 4.85 62.08 360 30 0 1.04
    05/17/2017 09:15 20 24 1 7.5 5.1 60.18 420 1 0.07 .47
    04/15/2017 09:00 18.5 20 1 8 6.1 67.1 430 14 0.13 .74
    03/14/2017 08:49 17.5 14.5 1 8 440 22 0.16 1.04
    02/15/2017 09:00 8 11.5 2 8 7.9 73.47 440 1 1.11 1.04
    01/20/2017 09:00 9 12 2 8 8.3 78.02 450 4 0.75 1.27
    12/15/2016 09:00 5 11 1 7.5 8.75 80.5 480 15 0 1.2
    11/15/2016 09:00 16 17 3 8 7.2 74.88 430 7 0 .39
    10/29/2016 09:05 22 20.5 2 8 5.9 65.49 430 15 0 .35
    09/14/2016 08:45 22 27 2 7.5 4.6 57.04 380 26 0 .61
    08/26/2016 09:00 24 27 2 7.5 5.1 63.24 350 6 0 27.5
    07/15/2016 09:00 25 29 2 8 5 30 0 .55
    06/20/2016 09:00 26 30 3 7.2 5.1 66.3 420 15 0 .7
    03/14/2016 09:00 10 16 3 7.5 7.2 73.44 2 2.12 .35
    02/14/2016 09:30 16 14 3 7.5 7.8 76.44 430 30 0 1.08
    01/15/2016 09:00 11 10 3 7 9 460 20 0 1.22
    12/26/2015 10:20 23.5 23.5 3 7.5 7.1 83.07 14 0 .38
    11/19/2015 09:00 15 14 2 7.5 7 68.6 12 0.04 1.26
    10/16/2015 09:00 17 22 1 7.5 5.7 64.98 370 30 0 .95
    08/14/2015 09:30 27 29 1 8 4.4 56.32 370 14 0 1.056
    07/17/2015 09:15 27 29 1 8 4.4 56.32 14 0 .5
    06/14/2015 09:55 26 28 1 7.3 5.4 68.04 16 0 0.17
    05/17/2015 09:20 20 23 1 7.7 6.6 76.56 0 2 0.25
    04/15/2015 08:00 12 18 3 7.5 7.15 75.79 25 0 0.23
    03/19/2015 09:00 25 27 1 8 4.45 55.18 370 11 0 0.16
    03/14/2015 08:20 11.5 14 3 7.5 8.4 82.32 420 30 0 .43
    02/14/2015 10:35 17.5 14.5 2 8 8.05 79.7 580 14 0 28.5
    01/16/2015 14:10 17 11 2 7.5 10 92 440 6 1 0.36
    12/15/2014 11:00 15 10.8 3 8 8.3 76.03 430 30 0.01 .62
    10/18/2009 13:30 27 22 5 8.5 1 7.4 370 5 0 0.75
    08/08/2009 11:50 34 29 3 8.5 6.1 78.08 360 7 0 0.3
    06/14/2009 18:15 36 34 3 8.5 6.6 91.08 330 2 0.86
    05/10/2009 13:05 35 29 5 8.5 < 1 6.2 79.36 370 7 0 0.5
    04/04/2009 13:20 32 20 3 8 < 1 7.4 81.4 370 9 0.16 0.67
    02/20/2009 15:00 21 16 3 8.5 < 1 8.9 90.78 410 7 0 > 0.75
    11/08/2008 12:30 24 16 4 8 < 1 7.9 80.58 340 60 0 > 1.2
    08/31/2008 14:25 34 25.5 3 8 < 1 6.95 84.1 340 1 1 1.03
    06/28/2008 09:30 28 27 3 8 < 1 4.75 58.9 340 8 0 0.95
    01/27/2008 15:40 16 11.5 5 8 < 1 8.95 83.24 410 64 0 1.05
    10/21/2007 09:45 22 21 3 8 < 1 7.1 79.52 380 40 0 1.05
    09/17/2007 15:45 31 28 5 8 < 1 6.9 86.94 370 31 0 .84
    08/16/2007 11:45 26 28 5 8 < 1 6.45 81.27 380 19 0 .71
    07/17/2007 12:15 29 26.5 5 8 < 1 6.2 76.26 370 7 0 .83
    06/17/2007 16:10 32 28 3 8 < 1 6.75 85.05 340 1 2.4 0.89
    05/22/2007 13:50 27 23 3 7.8 < 1 7.1 82.36 380 1 1.5 0.59
    04/17/2007 09:25 18 16.5 3 8 < 1 8.2 84.46 380 10 0 1
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