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

  • Site 221
  • Colorado River at Hwy 35 Bay City
  • 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)
    02/25/2018 10:02 23 21 3 8 3.4 6.9 77.28 770 30 0.2 66.6
    01/28/2018 09:08 15 14 3 8 3.4 8.7 85.26 670 3 1.42 0.7 49.95
    11/26/2017 10:10 20 19 3 8 3.4 8.6 92.88 750 30 0.23
    10/29/2017 09:50 11 16 3 8.5 2.8 7.2 73.44 13 0 0.12 33.3
    09/17/2017 10:05 28 28 3 8.5 0.3 6.2 78.12 560 21 0 0.18
    07/30/2017 09:50 31 31 3 8 < 0.3 3.8 50.16 530 30 0 0.19
    06/23/2017 10:28 34 30 3 7.5 < 0.3 3.9 50.7 520 30 0 0.16 33.3
    05/21/2017 10:50 31 28 3 8 < 0.3 6.2 78.12 580 30 0 0.16 10
    04/30/2017 10:30 20 24 3 8.5 0.75 6.5 76.7 580 19 0 10
    06/13/2008 08:00 27 29 2 7.5 < 1 6.4 81.92 520 30 0
    09/13/2007 13:30 30 27 3 7.5 < 1 6.9 85.56 450 2 0.5
    05/14/2007 12:00 30 28 2 7.5 < 1 8.4 105.84 490 1 0.3 0.16
    03/13/2007 14:38 23 21 2 7.5 < 1 9.2 103.04 720 1 1.5 34.5
    01/16/2007 09:30 8 8.5 5 7.5 < 1 9.1 79.17 150 3 0.5 0.19
    11/13/2006 16:22 23 2 9 0
    09/13/2006 09:15 25 27 3 7 < 1 6 610 3 0 .19
    08/01/2006 11:00 29 30.5 Low 7 < 1 6.3 82.53 510 1 0.5
    07/11/2006 11:00 32 30 Low 7 < 1 7.7 100.1 410 4 0
    06/15/2006 09:00 24 28 Low < 1 6.7 84.42 590 7 0
    05/12/2006 14:50 30 27 Low 7 < 1 7.1 88.04 0
    04/02/2006 15:00 28 24.8 Low 7 < 1 7.4 88.5 5 0
    03/12/2006 18:30 23.5 23.5 Low 7 < 1 8.5 99.45 0
    02/13/2006 15:00 16 14 mpr 7 < 1 10.2 99.96 690 3 0.75
    01/07/2006 17:00 18.5 14 Low 7 2 9.43 92.37 30 0
    01/07/2006 17:00 18.5 14 Low 7 2 9.43 92.37 30 0
    11/06/2005 16:30 25 23 No Flow 7 < 1 7.3 84.68 660 7 0
    10/07/2005 11:00 18.5 26.5 Low 7.5 < 1 7.5 92.25 560 20 0.1
    09/07/2005 09:50 25 29 Low 7 < 1 5.5 70.4 560 2 0.5
    08/03/2005 12:00 31.5 33 Low 7.5 < 1 7.38 100.3 570 0
    07/06/2005 09:35 30 31.5 Low 7.5 < 1 4.05 53.87 510 30 0
    06/14/2005 11:25 33 32 Normal 8 < 1 9.35 125.29 530 10 0
    09/02/2004 11:00 25 28 Low 8.1 < 1 8.2 103.32 530 0 .3 49.95
    10/08/2003 13:00 27 27 Normal 8.1 < 1 8.2 101.68 700
    03/04/2003 13:31 22 17 No Flow 7.7 < 1 9.9 102.96 630 10 0
    02/04/2003 13:31 22 17 No Flow 7.7 < 1 9.9 102.96 630 10 0
    04/19/2002 18:30 24.5 26.5 Normal 8.3 < 1 8.6 104.1 460 11 0
    04/18/2002 18:30 24.5 26.5 Normal 8.3 < 1 8.6 104.1 460 10 0
    04/10/2002 09:00 20 20 High 7.8 < 1 7 75.6 280 2 3.4 1 2750
    02/15/2002 12:15 22 17 Normal 8.4 < 1 10 102 630 5 0.1
    12/14/2001 10:10 18 16 High 7.6 < 1 9.5 95 240 1 0.5 .3
    10/14/2001 11:00 25 20 High 7.8 < 1 6 64.8 190 1 2.5 366.3
    08/15/2001 10:30 33 30 Normal 8.7 < 1 8 102.4 580 1 1 50
    06/15/2001 17:30 33 30 Normal 7.9 < 1 6 76.8 530 1 140
    04/15/2001 15:00 35 27 Normal 7.7 < 1 7 85.4 530 17 0 400
    02/16/2001 10:45 15 16 Normal 7.4 2 8 80 570 0 0.2 750
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