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

  • Site 200
  • Coldwater Creek above Lake Austin
  • 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)
    08/01/2001 15:34 35 31 8 < 1 8.3 107.3 400 0 1
    03/19/2001 15:43 10 12 Low 7.8 < 1 10.5 96.6 430 1 0.5 < 1.22
    11/27/2000 12:10 19 15 Low 7.8 < 1 10 98 540 0 1.5
    08/09/2000 15:30 35 31 Normal 8.3 < 1 8.6 111.8 0 1.22
    04/20/2000 13:30 27 23.5 8.4 1 8.1 93.2 .3
    02/14/2000 16:00 21 17 8.6 < 1 13.9 141.3 0 1.22
    12/16/1999 11:00 7.5 12 7.8 < 1 11 101.2 0 1.5
    09/30/1999 14:45 25.5 24 7.9 < 1 8.4 98 0 1.5
    08/30/1999 13:00 30.5 28 8.1 < 1 7.7 95.5 0 1
    07/21/1999 13:15 27 27 Low 8 < 1 7 85.4 0 0.5 1
    04/22/1999 13:35 26 20 8.2 < 1 6.8 72.9 0 1
    03/23/1999 11:30 25 18 Normal 7.8 < 1 8 83.2 4 0 1
    02/22/1999 13:30 16 14 8.2 < 1 11.5 110.4 0 .46
    02/03/1999 27 20.5 7.6 6.6 71.9
    11/30/1998 17:00 16 20.5 Low 8.1 9.4 103 1.5
    10/22/1998 15:00 22 22.5 Normal 8.1 < 1 8 90.4 3 0.5 .46
    09/25/1998 11:30 27 28 Normal 8.1 < 1 6.4 79.4 16 1.5
    08/11/1998 19:15 28.5 31 8.6 < 1 9.7 126.1 < .46
    06/03/1998 13:10 32 28 Normal 8.6 < 1 8.4 104.2 0 .75
    05/03/1998 12:47 22 20 Normal 8.2 < 1 8.3 89.6 1 1 1.25
    04/02/1998 12:15 26.5 18 Normal 8.1 < 1 10.1 104.5 0 1
    03/16/1998 14:30 21 17 High 8.4 < 1 10.8 110.2 0 3 .5
    03/02/1998 11:00 20 13.5 8.2 < 1 10.3 6 0 1.5
    02/03/1998 27 20.5 7.6 6.6 71.9
    02/02/1998 15:25 16.5 15 Low 8 < 1 10.9 108 2 1 1
    01/15/1998 14:00 16.5 13.5 Normal 8.2 < 1 10.05 97 5 1 .46
    12/31/1997 13:50 16.5 11.5 Normal 8.2 < 1 12.1 110 7 3
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