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

  • Site 435
  • Llano River at Willow Creek
  • 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)
    11/07/2025 09:25 23 19.5 2 7.5 2 7.2 450 10 0 > 1.22
    08/31/2025 14:35 24.5 27.5 3 7.5 < 2 5.9 430 2 0.4 0.65
    07/28/2025 11:15 30 28.5 5 7.5 < 2 5.3 460 14 0 1
    06/16/2025 09:35 26 27.5 5 7.5 < 2 5.3 380 5 0 0.42
    05/24/2025 09:45 28.5 26.5 2 7.5 < 2 5.2 370 10 0.3 1.15
    04/23/2025 09:30 22 22 3 7.5 < 2 6.3 420 0 1.3 > 1.22
    03/21/2025 10:00 16 14 2 7.5 < 2 8 78.4 420 30 0 1.15
    02/17/2025 10:30 10.5 10 2 7.5 < 2 8.7 78.3 430 14 0 > 1.22
    01/31/2025 11:00 15 11.5 3 7.5 < 2 8.8 81.84 440 2 1.1 > 1.22
    12/29/2024 10:10 17 13.5 2 7.5 < 2 8.2 430 30 0 > 1.22
    11/02/2024 09:30 21 21.5 2 7.5 < 2 6 67.8 400 30 0 > 1.2
    10/30/2024 11:00 15.5 12.5 2 7.5 < 2 8 76 420 14 0 > 1.2
    08/31/2024 10:00 28 28 3 7 2 4.9 61.74 370 21 0.3 0.65
    07/28/2024 10:00 26.5 27.4 5 7 2 5 62.4 360 5 0.4 0.47
    06/22/2024 10:45 27 27.5 3 7.5 5.7 71.25 400 7 0 0.58
    06/02/2024 11:25 29 27 5 7.5 400 2 0.37
    03/02/2024 10:00 18 14.5 3 7 < 2 8.3 430 21 0 1.1
    01/27/2024 10:15 13 12.5 3 7.5 < 2 8.5 80.75 460 10 0 0.85 100
    12/28/2023 10:40 13 12 3 7.5 < 2 9.9 93.06 450 7 0 1.15
    11/24/2023 10:30 12 12.5 3 7 < 2 9 85.5 430 27 0 1.05
    10/19/2023 10:45 22 19.5 3 7 < 2 7.3 79.57 360 14 0 1.08
    09/03/2023 10:05 30 25.5 1 7.5 2 4.5 54.45 410 30 0 1.05
    08/19/2023 09:40 30 29 2 7.5 < 2 6.6 84.48 370 30 0 0.95
    07/24/2023 10:45 33 30 2 8 < 1 6.9 89.7 340 21 0 0.55
    05/28/2023 10:00 23 24 5 7.5 1 6.4 75.52 410 3 0.7 0.34
    03/24/2023 10:20 19.5 20 3 7 1 6.2 68.2 420 30 0 1.15
    02/26/2023 09:30 20 16.5 3 7 < 2 7 72.1 430 14 0 > 1.22
    01/29/2023 10:00 13 12 3 7 < 2 7.9 74.26 430 6 0.2 1.22
    12/27/2022 10:30 10 8 2 7 < 2 10.9 93.74 430 10 0 1.22
    11/26/2022 10:40 9.5 11 3 7 1 8.3 76.36 290 1 3.2 0.25 900
    10/30/2022 10:15 14.5 15 3 7 < 2 7.2 72 410 2 1.1 1.22
    10/30/2022 10:15 14.5 15 3 7 1 7.2 72 410 2 1.1 > 1.22
    09/04/2022 10:25 26 27 4 7 1 4.9 60.76 430 4 0.2 0.64 30
    07/23/2022 09:45 29.5 27.5 2 7 < 1 5.2 65 410 14 0 0.4
    06/11/2022 10:30 23 18.5 2 7 < 1 5.4 57.78 410 6 0 0.57
    05/27/2022 10:00 26 25 2 7 < 1 6.2 74.4 390 3 0.5 0.5
    04/30/2022 10:15 23 22 2 7 1 5.9 67.26 420 30 0 0.68 10
    03/26/2022 10:00 22.5 15.5 2 7.5 1 7.7 77.77 440 20 0 0.75
    02/28/2022 09:45 8.5 8 3 7 1 10.2 87.72 430 14 0 > 1.22
    01/27/2022 13:55 12.5 11 3 7 1 9.3 85.56 450 14 0 > 1.22
    12/29/2021 15:15 25.5 19.5 2 7 < 2 7.3 79.57 430 14 0 > 1.22
    11/26/2021 10:00 10.5 12 2 7 < 2 7.5 70.5 420 14 0 1.02
    10/16/2021 14:45 21 22 2 7 1 7 79.8 400 2 0.65 0.75
    09/27/2021 09:45 24 22.5 2 7 < 2 6.1 70.15 360 14 0 0.75 10
    08/15/2021 09:40 25 27 2 7 < 2 4.3 53.32 370 14 0 0.8 20
    07/31/2021 09:15 27.5 28.5 2 7 < 2 5.3 67.31 360 14 0 0.55
    06/22/2021 11:00 24 26.5 3 7 < 2 6 73.8 370 10 0 0.75
    05/23/2021 09:25 22.5 24 2 7 < 2 6.1 71.98 380 10 0.15 0.92 30
    04/11/2021 09:45 17.5 18 3 7 < 1 6.8 72.08 390 14 0 > 1.22 10
    03/06/2021 09:05 11 14 3 7 < 2 8.2 80.36 380 10 0 > 1.22
    01/23/2021 11:20 13.5 13 2 7 2 9.1 87.36 4 0.1 > 1.22
    12/27/2020 10:00 19.5 11.5 2 7.5 1 8.9 82.77 390 14 0 > 1.22
    10/12/2020 09:30 24 22.5 2 7 1 6.4 73.6 360 14 0 > 1.22 50
    09/13/2020 10:00 26 25.5 3 7 1 6.8 82.28 370 10 0 0.75
    08/22/2020 10:35 29 27 2 7 1 5.9 370 21 0 0.93
    07/20/2020 09:15 27 29 3 7.5 1 4.9 62.72 370 14 0 0.8
    06/14/2020 13:40 31 27.5 3 7 1 6.7 83.75 370 14 0 0.7
    05/12/2020 09:53 22 23 3 7 1 6.4 74.24 400 7 0 0.81 10
    04/25/2020 09:45 18 20.5 3 7 1 6.8 75.48 420 7 0 0.9
    03/29/2020 10:15 14.5 17 5 7 < 1 7 72.8 410 8 0.4 1.05 30
    02/22/2020 10:00 10 12.5 3 7 < 1 9.2 87.4 410 7 0 > 1.22
    01/24/2020 15:45 20 16 3 7 < 1 9.1 92.82 410 8 0.2 > 1.22
    12/30/2019 15:30 16 13 3 7 1 8.9 85.44 420 14 0.25 > 1.22
    11/16/2019 10:00 10.5 10 3 6.5 1 8.6 77.4 420 10 0 > 1.22
    10/21/2019 10:35 19 20 3 7.5 1 5.3 58.3 400 14 0.35 0.6
    09/21/2019 09:30 26.5 26 3 7 2 5.3 64.66 390 10 0 0.66
    08/17/2019 14:30 39.5 33 2 7 < 2 4.6 62.56 380 14 0.2 0.3
    07/16/2019 09:50 30.5 28 3 7 1 4.9 61.74 380 10 0 0.4
    06/16/2019 14:15 31.5 28 3 7.5 1 5.9 74.34 410 7 0 0.7 10
    05/19/2019 14:00 30 28.5 3 7 1 6.2 78.74 440 1 0.3 0.75 30
    04/20/2019 10:00 18.5 19 3 7.5 < 1 7 460 2 1 > 1.22 30
    03/24/2019 14:25 26.5 22.5 3 7.5 < 1 6.2 71.3 490 10 0 > 1.22 10
    02/12/2019 13:50 14 12 3 7.5 1 8.3 78.02 500 14 0 > 1.22
    01/12/2019 09:45 10 11 3 7.5 1 8.8 80.96 520 16 0.1 > 1.22 20
    12/31/2018 10:45 12.5 9 5 7 8.6 75.68 510 5 0.1 > 1.22 10
    11/23/2018 15:00 25.5 17.5 3 7 1 7.4 77.7 530 10 0 > 1.22 10
    10/27/2018 11:45 25 21 5 6.5 2 7 480 8 0.04 1.22 20
    09/15/2018 10:45 23 24.5 3 7.5 4 47.6 340 1 1.75 1.1 60
    08/11/2018 09:45 25 26 2 7.5 4 48.8 340 2 2.6 0.8 20
    07/07/2018 10:00 24.5 28 2 7.5 1 6.1 76.86 330 30 0.2 0.9
    06/16/2018 09:45 27 26 2 8 < 2 4.9 59.78 320 14 0 0.8 70
    05/19/2018 09:30 22.5 24 5 7.5 1 4.87 57.47 290 4 0 0.12 130
    04/20/2018 10:00 18.5 17.6 2 8 < 1 6.9 72.59 370 14 0 > 1.22
    03/17/2018 09:50 21 19 3 7 < 1 6.3 68.04 380 14 0 > 1.22 20
    02/08/2018 10:50 8 9.5 2 7 1 9.5 84.55 410 14 0 > 1.22
    01/20/2018 11:35 20 13.5 2 7.5 < 2 9.25 89.72 410 10 0 > 1.22
    12/16/2017 11:36 8.5 9.2 2 7.5 < 2 9.7 85.75 400 6 0 > 1.22 10
    11/11/2017 09:45 16 15.4 3 7.5 < 2 7.75 78.12 380 10 0.2 > 1.2 10
    10/07/2017 10:30 25 25.8 3 7.5 1 5.5 66.88 390 7 0 > 1.2 30
    09/18/2017 13:15 34.5 29.5 2 8 2 5.75 74.18 340 21 0 > 1.2 10
    08/05/2017 10:45 32 30.3 3 7 1 5.1 66.61 340 2 0.5 > 1.2
    07/08/2017 12:05 33 31.5 3 8 1 6.25 83.12 340 7 0 1.05
    06/10/2017 09:15 24.5 27 5 7 < 2 4.5 55.8 340 7 0 0.95
    04/01/2017 09:35 20 20.5 3 7.5 1 5.6 62.16 440 3 0.44 0.92 10
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