LCRA LogoColorado River Watch Network (CRWN) Water Quality Data

  • Site 292
  • Pedernales River at Buffalo Crossing
  • 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)
    01/03/2025 17:00 15.5 10 2 < 1 7.7 450 10 0 510
    01/03/2025 17:00 15.5 10 2 < 1 7.7 450 10 0 510
    10/31/2024 17:00 30 23 1 6.75 < 1 6.5 75.4 310 14 0 0.39
    09/02/2024 10:30 31 28 1 6.75 < 1 6.2 78.12 500 14 0 268
    05/29/2024 14:00 31 29 2 6.75 < 1 5.8 74.24 520 1 0.5 441
    03/02/2024 14:30 18 19.5 2 6.75 < 1 7.85 85.56 620 14 0 673 10
    12/03/2023 13:00 26 6 2 6.75 8 65.6 560 20 0 560 40
    11/03/2023 10:00 19 15 1 6.752 < 1 6.5 65 540 6 0 420 80
    07/02/2023 18:00 35 31 2 6.75 < 1 11.5 151.8 480 10 0 400 10
    05/01/2023 15:00 30 24 2 8 < 1 15.3 180.54 513 6 0 376 10
    03/31/2023 19:00 31 23.5 2 < 1 20 234 650 30 0 483
    01/12/2023 17:00 15 14.5 1 1 12.45 123.26 620 14 0 0.485 80
    11/29/2022 16:30 25 22 2 6.75 < 1 13.1 149.34 610 14 0 375 40
    09/30/2022 09:45 19.5 21 2 6.75 < 1 15.3 171.36 680 14 0 243 10
    08/30/2022 09:00 30 26 1 < 1 6.1 74.42 512 14 0 142 30
    07/18/2022 16:30 33 29 1 6.75 < 1 6.2 79.36 630 10 0 230 40
    05/06/2022 17:30 38 28.5 2 6.75 < 1 6.8 86.36 620 20 0.1 512
    03/24/2022 16:30 25 7 1 6.75 < 1 7.8 65.52 630 3 1.25 0.59
    11/30/2021 16:30 22 18.5 2 6.75 < 1 8 85.6 580 14 0 582.5 10
    10/31/2021 17:30 26.5 19.5 2 6.75 < 1 7.7 83.93 500 5 0 < 41.5
    09/30/2021 16:00 31 28 1 6.75 1 6.9 86.94 430 7 0.25 0.41 30
    07/30/2021 10:00 33 30 1 6.75 < 1 5.8 75.4 470 8 0 0.47
    06/30/2021 11:00 30 28.5 2 6.75 < 1 6 76.2 450 7 0.75 < 0.43 10
    05/31/2021 18:00 19.5 22 5 < 1 6.65 75.81 512 2 2.5 > 1.5 230
    04/29/2021 16:00 24 20 1 6.75 < 1 7.45 81.95 7 > 1.2 30
    01/31/2021 14:40 19 5 2 512 < 1 8.4 67.2 540 14 0 < 205 20
    11/27/2020 14:00 19.5 18 2 7.25 < 1 7.65 81.09 540 14 0 0.39 70
    10/31/2020 14:36 24 19.5 2 6.75 < 1 8.1 88.29 480 10 1.22 30
    07/31/2020 11:00 34.5 32 1 6.75 < 1 6.45 86.43 580 10 0 417 80
    06/30/2020 14:28 31 30 1 6.75 < 1 6.2 80.6 330 5 0 225 50
    05/10/2020 17:00 24 25 1 6.75 < 1 7.5 90 500 14 0 396.5
    01/27/2020 15:00 29 29 1 6.75 6.5 83.2 500 10 0.01 0.42 50
    01/19/2020 16:00 12 14.75 1 6.75 1 8 79.6 0 14 0.75 503 153.25
    11/10/2019 12:00 31 29.5 2 6.75 < 1 6.65 85.79 550 14 0 550 10
    11/02/2019 10:00 31 27.5 1 6.75 < 1 6.7 83.75 560 30 0 0.675
    10/02/2019 10:30 31 27.5 1 6.75 < 1 6.7 83.75 560 30 0 0.2
    09/01/2019 12:00 33 30 1 6.75 < 1 6.6 85.8 520 14 0 0.41
    07/30/2019 12:00 29.5 1 6.75 < 1 7.32 94.43 500 14 0 0.46 20
    06/30/2019 14:15 27 29 1 6.75 < 1 7.2 92.16 450 5 0.2 0.558 10
    05/29/2019 19:00 31 26 2 6.75 < 1 6.8 82.96 500 14 0.338 20
    03/23/2019 13:30 23 21 1 6.75 < 1 7.75 86.8 610 14 0 0.44 20
    02/03/2019 13:00 21 6 1 6.75 < 1 9 73.8 540 6 0.01 0.66
    12/31/2018 16:00 12.5 12.7 2 6.75 < 1 9.1 86.81 500 1 0.5 460.2 120
    11/30/2018 15:00 24 16.5 1 6.75 < 1 9.4 96.82 530 10 0 0.41 40
    10/31/2018 10:00 25 21.5 1 6.75 < 1 8.8 99.44 8.8 7 0 0.46
    09/30/2018 16:00 30 25 1 6.75 < 1 7 84 490 3 0.25 > 1.22
    08/31/2018 13:00 35 36 1 6.75 < 1 6.2 88.04 560 14 0 117
    07/15/2018 14:00 37 31 1 7 < 1 8 105.6 580 4 0.1 > 1.22
    05/28/2018 18:00 36 30 1 6.75 < 1 6.2 80.6 530 14 0 1.22 50
    02/28/2018 14:00 12 18 1 6.75 < 1 7.9 83.74 600 3 0.75 1.16 10
    01/25/2018 16:00 13 13 1 6.8 1 9.4 90.24 600 14 0 0.26
    11/24/2017 14:00 22 18 1 6.75 < 1 8.6 91.16 530 25 0 > 324
    10/31/2017 17:00 26 20.25 1 6.5 8.3 91.72 500 14 0.2 0.31 50
    09/29/2017 16:00 23 26 2 6.57 < 1 6.45 78.69 450 2 1.5 0.321 60
    08/23/2017 14:00 33 31 2 6.5 < 1 6.2 430 14 0 0.31 10
    06/26/2017 15:00 33 29.5 1 6.75 < 1 6.8 87.72 510 14 0.4 0.51
    05/28/2017 13:00 33.5 27 1 6.75 < 1 7.3 90.52 480 10 0.1 0.422
    04/23/2017 19:00 22 22.5 1 6.75 < 1 6.35 73.02 440 14 0.1 340
    03/31/2017 09:00 26 21.5 1 6.75 < 1 6.8 76.84 490 14 0 0.435 40
    01/30/2017 18:00 18 15.5 1 6.75 < 1 7.7 77.77 550 14 0.1 0.39 10
    12/31/2016 13:50 24.5 17 1 6.75 < 1 7.1 73.84 540 14 0 0.35 30
    11/30/2016 17:30 15 17 1 6.75 < 1 7.55 78.52 410 14 0 0.37 50
    10/30/2016 12:00 30.5 25.5 1 6.75 < 1 7.45 90.15 480 30 0 0.36
    09/30/2016 15:00 28 27.5 1 6.8 < 1 7.2 90 580 7 0 0.44 10
    08/29/2016 12:00 30 30 1 7.25 < 1 6.6 85.8 480 10 0 0.64 30
    07/29/2016 10:00 34 33 1 7.25 < 1 6.7 91.12 490 0.25 0 652 20
    04/30/2016 17:00 22.5 22 2 6.8 < 1 6.35 72.39 460 6 0 0.66 110
    03/29/2016 09:00 18.5 20 2 7.25 < 1 8.2 90.2 330 14 0 0.62 30
    02/29/2016 17:30 23 17.5 1 7.2 < 1 8.9 93.45 540 0.14 0 0.65
    01/30/2016 16:30 26 15 1 7.5 < 1 9.15 91.5 540 20 0 1.2 40
    12/13/2015 16:00 16.5 16.5 2 7.4 < 1 7.75 79.82 400 1 1.2 0.86 180
    09/25/2015 16:00 28 28.5 1 0 < 1 7.05 89.54 480 25 0 0.5 30
    08/31/2015 17:00 36 31 1 7.6 < 1 6.7 88.44 490 14 0 422 70
    07/26/2015 16:00 36 31 2 7.6 < 1 6.7 88.44 480 25 0 0.411 90
    06/07/2015 16:00 33.5 29.5 2 7.6 < 1 6 77.4 490 7 0 > 1.22 70
    04/19/2015 18:00 27.5 22.5 3 7.2 < 1 7.2 82.8 430 1 0.75 0.9 100
    03/06/2015 13:30 11 12.5 2 7.5 < 1 9.8 93.1 520 14 0.5 0.7 10
    03/01/2015 12:00 19.5 15 2 7.5 < 1 8.6 86 530 2 1.2 0.61 60
    01/03/2015 12:00 14 11.5 2 7.6 < 1 9.6 89.28 610 14 0.2 0.72 60
    12/05/2014 16:00 23 18 1 7.7 < 1 7.3 77.38 440 14 0 0.5 50
    10/29/2014 10:00 25 24 2 7.4 < 1 7.2 84.96 470 14 0 0.333 70
    08/31/2014 16:00 36 35 1 7.6 < 1 5.95 83.3 490 14 0 0.325 10
    07/31/2014 14:00 28 27.5 1 7.3 < 1 6.3 78.75 490 14 0 0.285
    06/29/2014 17:30 34.5 30 2 7.6 < 1 6.15 79.95 490 8 0 0.325 10
    04/30/2014 16:00 23 22 2 7.8 < 1 8.05 91.77 590 30 0 0.59
    03/30/2014 17:00 21 26 2 7.8 < 1 8.4 102.48 580 14 0 0.445 10
    02/23/2014 16:00 26 21 2 7 < 1 6.9 77.28 580 14 0 0.634
    01/31/2014 13:00 22 13.5 2 7.3 < 1 9.7 94.09 590 14 0 0.52
    12/30/2013 12:00 17 14 2 7.5 1 8.7 85.26 550 14 0 0.304
    11/30/2013 10:30 14.5 12 1 7.8 < 1 9.75 91.65 510 9 0.2 0.545 20
    09/28/2013 17:00 32 29 2 7.8 < 1 6.7 85.76 460 7 0 0.455 20
    09/01/2013 09:00 36 31 1 7.8 < 1 6.3 83.16 460 10 0 0.42
    07/28/2013 11:00 33 29 1 7.7 < 1 6 76.8 420 7 0.3 0.39 70
    07/04/2013 10:00 31 26.5 1 7.6 < 1 6.2 76.26 450 14 0 0.38 10
    06/01/2013 17:00 32 25 2 7.6 < 1 5.8 69.6 530 7 0 0.365 10
    04/28/2013 16:00 19 25 2 7.6 < 1 6.4 76.8 590 14 0 0.26 80
    03/31/2013 13:00 27 21.5 2 7.7 < 1 7.3 82.49 580 14 0 0.67 10
    02/28/2013 16:00 18 18 2 7.8 < 1 7.55 80.03 620 21 0 0.695 20
    01/31/2013 17:00 15 11 2 8 < 1 9 82.8 570 14 0
    12/23/2012 13:00 23 21 2 7.4 < 1 8.5 95.2 550 30 0 0.752
    10/31/2012 11:00 26 20 1 7.4 < 1 7.2 79.2 510 14 0 0.266
    09/30/2012 18:30 30 26 2 7.4 < 1 6.65 81.13 400 14 0.9 0.344 50
    08/27/2012 17:30 35 31.5 1 8.2 < 1 7.3 97.09 520 30 0 0.445
    06/24/2012 16:00 35 32 2 7.6 < 1 6.2 83.08 470 30 0 0.441 20
    05/04/2012 11:00 30 27 2 7.5 < 1 5.7 70.68 530 14 0 0.42
    03/31/2012 14:00 31 26 2 7.5 < 1 6.7 81.74 480 15 0.25 0.297 20
    02/28/2012 16:00 18 16 2 7.5 < 1 9.05 92.31 550 14 0 0.525
    01/30/2012 17:00 15 13.5 2 7.5 < 1 9 87.3 550 5 0 0.517 70
    12/31/2011 13:30 16 13 1 7.6 < 1 9.05 86.88 680 30 0 0.053
    11/29/2011 17:00 16 19 1 7.8 < 1 9.3 100.44 700 7 0 0.203
    10/23/2011 16:30 29 26 1 7.7 < 1 8.75 106.75 650 14 0 0.215 140
    09/30/2011 13:30 28 24 1 7.7 < 1 7.25 85.55 690 30 0 0.111
    08/31/2011 08:00 27 27 1 7.9 < 1 5.6 69.44 650 30 0 0.166
    07/22/2011 18:30 37.5 32 1 7.8 < 1 8.3 111.22 640 90 0.2 0.157
    06/26/2011 16:00 36.5 32.5 1 7.6 < 1 7.6 102.6 660 121 0 0.184
    05/28/2011 16:30 38 29.5 2 7.7 < 1 6.6 85.14 640 35 0 0.235
    04/25/2011 14:30 31 25.5 2 7.8 < 1 5.65 68.37 650 35 0 0.225
    03/24/2011 14:50 29 24 1 8 < 1 7.3 86.14 21 0 0.264 10
    02/25/2011 16:00 19.5 18.5 1 7.8 < 1 7.45 79.72 610 21 0.2 0.338
    01/27/2011 15:00 16 15.5 1 7 < 1 7.9 79.79 600 21 0 0.224
    12/19/2010 16:30 17 12 1 7.8 < 1 9.2 86.48 630 30 0 0.533
    11/21/2010 17:30 27 18 1 7.6 < 1 7.22 76.53 600 21 0 0.268
    10/23/2010 15:45 27 24.5 1 7.7 < 1 6.75 80.32 510 14 0.2 0.278
    09/28/2010 18:30 28 27 1 7.5 < 1 6.4 79.36 470 7 0 0.217
    08/24/2010 08:00 24 31.5 2 7.6 < 1 5.35 71.16 460 15 0 0.595
    07/25/2010 19:00 35 31 3 7.6 1 6.25 82.5 555 7 0 0.49
    06/20/2010 18:30 34 30 3 7.7 < 1 6.23 80.93 550 7 0 0.489
    05/17/2010 17:00 32 29.5 2 7.4 < 1 6.6 85.14 540 4 1.5 0.282 10
    04/25/2010 18:00 25 23 3 7.5 < 1 6.25 72.5 540 2 0.44 0.018 40
    03/11/2010 13:00 19 18.5 2 8 < 1 7.9 84.53 530 3 0.5 0.8 20
    02/21/2010 16:00 24 14.5 3 7.6 < 1 8.35 82.67 580 10 0 0.76 10
    01/10/2010 17:00 9 7 2 7.1 < 1 9.2 77.28 610 14 0 0.859
    12/13/2009 17:00 14.5 14 2 7.9 1 8.6 84.28 570 4 0 0.954
    11/15/2009 13:30 28.5 19.5 3 7.6 < 1 530 8 0 0.459 40
    10/19/2009 17:00 29.5 22.5 1 7.6 < 1 6.65 76.48 510 6 0 0.242 10
    09/20/2009 15:00 33 28 2 7.6 < 1 5.8 73.08 400 7 0 0.159 20
    08/09/2009 17:00 38 31 1 7.8 < 1 5.45 71.94 630 14 0 0.15 10
    07/05/2009 17:00 40.5 34 2 8 < 1 6.9 95.22 600 3 0.99 0.324 30
    06/06/2009 15:00 34.5 29.5 2 8 < 1 6.2 79.98 570 14 0 0.173
    05/10/2009 17:35 32.5 29 2 7.8 < 1 4.55 58.24 470 12 0 0.103 10
    04/05/2009 12:00 21 19 2 8.1 < 1 6.8 73.44 680 7 0 0.171 20
    03/07/2009 13:00 27.5 19 2 8.1 < 1 6.9 74.52 730 90 0.04 0.161 20
    02/09/2009 18:00 26 17.5 2 7.9 < 1 7 73.5 730 7 0.18 0.132 10
    01/15/2009 18:00 9.75 9.25 2 8 < 1 9.15 80.98 760 7 0 0.14
    10/13/2008 18:45 29.4 24 2 7.8 < 1 6.3 74.34 720 6 0 0.23
    08/28/2008 11:15 31.6 29.8 2 7.8 < 1 5.4 69.98 680 8 0 0.17
    07/28/2008 10:45 33 30 2 7.6 < 1 5.3 68.9 670 4 0 0.229
    06/27/2008 11:00 33.3 29 1 7.7 < 1 4.55 58.24 680 44 0 > 0.165
    05/30/2008 11:50 31.7 29 3 7.8 < 1 5.45 69.76 630 15 0 0.34
    05/02/2008 12:30 22.8 22 3 7.9 < 1 6.1 69.54 580 5 0 0.225
    03/28/2008 12:00 21 19 3 7.8 < 1 7.3 78.84 620 10 0 0.35
    02/28/2008 11:30 18.2 16 3 7.9 < 1 8.35 85.17 640 28 0 0.35 30
    01/28/2008 11:45 17.8 13 3 7.6 < 1 10 96 520 9 0 0.49 40
    01/03/2008 11:45 7 9 3 7.6 < 1 10.7 94.16 560 19 0 0.28 80
    12/11/2007 11:25 21.7 17 3 7.7 < 1 8.1 84.24 560 16 0.04 0.35
    11/07/2007 12:00 22 19.6 3 8.2 < 1 8.75 95.55 530 17 0 0.39
    10/15/2007 11:45 27.2 25.5 3 7.9 < 1 6.25 75.63 540 13 0 0.315 100
    09/13/2007 09:45 22.8 27 3 8 < 1 7 86.8 490 2 0.51 0.64 50
    08/05/2007 11:15 31 29 3 7.8 < 1 5.25 67.2 490 7 0.08 50
    07/02/2007 10:45 27.2 27 4 7.8 < 1 5.1 63.24 390 1 0.6 2680
    05/31/2007 13:30 29.4 30 3 7.6 < 1 4.45 57.85 450 3 1.1 110
    04/29/2007 11:45 27 24 3 8.2 < 1 7.1 83.78 530 4 0 60
    03/31/2007 12:10 18.8 19 5 8 < 1 6.7 72.36 260 1 2.1 870
    03/03/2007 12:15 12.5 14 2 8.3 < 1 9.2 90.16 610 31 0 10
    02/04/2007 12:30 15.6 11 2 8.2 < 1 9.8 90.16 560 10 0
    01/02/2007 13:00 10.5 12 2 8.1 < 1 8.75 82.25 630 3 0.47 90
    12/02/2006 12:45 12 13 2 8 < 1 8.7 83.52 560 3 0.16
    10/30/2006 12:30 25 20 2 7.7 < 1 5.65 62.15 540 5 0 90
    09/28/2006 12:05 26.6 25 2 8.2 < 1 6.35 76.2 5 0
    08/28/2006 09:55 29.4 29 Low 8 4.3 55.04 690 30 0
    07/29/2006 12:30 36 29.5 Low 8.2 < 1 6.2 79.98 680 7 0
    06/30/2006 12:15 31 29 Low 8.3 < 1 5.85 74.88 590 6 0
    05/29/2006 13:00 35 29 Low 8.2 < 1 5.7 72.96 540 20 0.04
    04/27/2006 13:45 23 21 Low 8.2 < 1 7.15 80.08 570 7 0 50
    03/27/2006 13:45 22 18 Low 8.2 < 1 8.15 86.39 650 8 0
    02/27/2006 12:30 20 15 Low 8.2 < 1 8.55 85.5 660 2 0.6 20
    01/29/2006 12:30 22 15 Low 8.2 < 1 8.9 89 670 1 0.79 70
    12/27/2005 13:30 26.5 15 Low 7.8 < 1 8.9 89 690 31 0
    11/27/2005 12:00 25 18 Low 7.8 < 1 7.15 75.79 670 1 0.55 30
    10/28/2005 12:00 19 17.5 Low 8.4 < 1 8.1 85.05 640 16 0 10
    09/29/2005 12:10 22 27 No Flow 8.6 < 1 6.05 75.02 620 18 0
    08/29/2005 13:15 31 30 No Flow 8.6 < 1 5.15 66.95 530 17 0.04 10
    07/25/2005 09:45 28.3 29.5 Low 8.5 < 1 5.45 70.31 620 4 0
    06/27/2005 11:45 33 31 Low 8.5 < 1 4.9 64.68 590 26 0
    05/26/2005 12:00 28.1 28.5 Low 8.4 < 1 5.7 72.39 570 12 0 30
    04/29/2005 11:30 28 24 Low 8.4 < 1 7.35 86.73 570 18 0
    03/31/2005 12:00 27.2 23 Low 8.4 < 1 6.75 78.3 570 5 0
    02/28/2005 12:30 16 17 Low 8.4 < 1 9.05 94.12 560 0 0.67 80
    01/29/2005 12:00 10.8 11.5 No Flow 8.3 < 1 10 93 550 2 1.95 110
    12/26/2004 13:30 15 8.5 No Flow 8.3 < 1 10.65 92.66 540 4 0 50
    11/09/2004 12:30 23.2 21 Low 8.5 < 1 7.65 85.68 440 8 0 20
    10/28/2004 14:15 29.5 26 Low 8.4 < 1 6.2 75.64 470 1 0.43 10
    09/28/2004 11:30 26.8 26 Low 8.4 < 1 5.95 72.59 540 14 0
    08/27/2004 10:15 30.9 24.5 Normal 8.6 < 1 7.25 86.28 520 5 0 50
    07/29/2004 11:30 31 30 Low 8.4 < 1 5.9 76.7 450 0 0 10
    06/29/2004 09:30 26.5 25 Low 8.3 < 1 6.1 73.2 380 1 0.32 110
    05/30/2004 11:00 26 26.5 Low 8.4 < 1 6.2 76.26 490 16 0 10
    05/02/2004 09:00 12.8 18 Low 8.4 < 1 7.5 79.5 440 1 0.82
    03/26/2004 11:45 25 20 Low 8.4 < 1 8.15 89.65 500 2 0.28 10
    02/26/2004 11:30 9.7 12 Low 8.4 < 1 9.6 90.24 500 2 0.75 120
    01/29/2004 11:00 10.2 10 No Flow 8.4 < 1 10 90 570 5 0 10
    12/27/2003 10:30 21.1 13 No Flow 8.3 < 1 9.3 89.28 580 15 0 10
    11/28/2003 10:10 9.7 11.5 No Flow 8.3 < 1 10.45 97.19 550 11 0
    10/25/2003 10:00 22.9 22 No Flow 8.3 < 1 7.05 80.37 400 13 0
    09/26/2003 10:40 23.2 24 No Flow 8.3 < 1 6.3 74.34 450 4 0 10
    08/30/2003 10:10 29.2 30 No Flow 8.8 1 6.5 84.5 530 6 0 41
    08/01/2003 10:00 30 28 No Flow 8.6 1 4.95 62.37 570 8 0
    05/31/2003 10:00 29.4 27 No Flow 8.9 < 1 6.7 83.08 580 5 0 10
    04/22/2003 11:00 18 21 No Flow 8.6 < 1 6.9 77.28 570 0 0.1 30
    03/11/2003 10:33 15.9 14 No Flow 1 8 0 280
    01/20/2003 11:00 20 11.5 Low 8.2 1 10.8 100.44 560 8 0
    11/25/2002 11:33 10.22 13 Low 8.2 < 1 9.4 90.24 480 20 0 20
    10/21/2002 16.5 18 Low 8.4 450 0 1.25 1240
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