LCRA LogoColorado River Watch Network (CRWN) Water Quality Data

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)
02/12/2005 14:00 7 5 Low 7.8 < 1 7.6 60.8 0
12/22/2004 13:00 9.5 15 No Flow 7.4 < 1 8 80 0.85 .23 50
11/25/2004 10:18 13.5 18 Flood 8.2 < 1 6.2 65.72 8 0.5 .15
10/24/2004 10:48 29.5 27.5 No Flow 8.2 < 1 5.7 71.25 14 .3 30
09/05/2004 09:31 29 28 No Flow 7.6 < 1 4.4 55.44 3 3 .4 20
08/22/2004 08:00 29.5 28.5 No Flow 8 < 1 5 63.5 0 .12
08/01/2004 16:00 30 32 No Flow 8.1 < 1 5.9 79.06 2 0 .3 100
07/07/2004 16:00 32 31 Flood 8.1 < 1 4.6 60.72 15 0 .15
05/31/2004 10:00 28 27.5 No Flow 7.6 < 1 4.4 55 0 > .36
04/26/2004 10:30 22.5 23.5 No Flow 8 < 1 5.1 59.67 2 2.25 .3
03/14/2004 14:05 22 21 Low 8.2 < 1 8.4 94.08 14 0
11/14/2003 16:30 23 22 No Flow 7.9 < 1 7 79.8 14 0
10/17/2003 15:30 31.5 28 No Flow 8 < 1 7.5 94.5 6 3
09/20/2003 13:00 25 26 No Flow 7.8 < 1 5.3 64.66 2 1 .25
08/31/2003 10:00 27 28 Low 7.8 < 1 3.9 49.14 5 1 .3 2.5
08/02/2003 13:47 33 32 No Flow 8 < 1 6.1 81.74 0 0 .3 2
06/28/2003 15:20 31 30 Normal 8 < 1 6 78 0 0.25 .3 100
05/26/2003 09:00 28 26 No Flow 7.8 < 1 5.7 69.54 0 .3 180
04/26/2003 15:30 25 27 No Flow 8 < 1 7.35 91.14 0 .35 120
03/22/2003 17:00 18 19 No Flow 8.4 < 1 7.1 76.68 0 1.25
02/22/2003 14:00 20.5 17 No Flow 8 < 1 8.5 88.4 7 0 .3
01/04/2003 11:30 19 14.5 No Flow 8.4 < 1 9.9 98.01 5 0 .15 130
11/15/2002 14:30 17.5 19 Low 8.3 < 1 8.5 91.8 9 0 .15 140
10/18/2002 12:00 29 24 No Flow 8 < 1 7.3 86.14 9 0 .38 50
09/28/2002 11:16 29 27 Low 7.8 < 1 4.9 60.76 15 0 .61 80
09/02/2002 00:00 31 30 No Flow 8 < 1 5.3 68.9 16 0 .38 910
08/03/2002 13:45 29.5 32 7.9 < 1 5.3 70 21 0 .3 10
07/21/2002 11:00 31 30 7.9 < 1 4.3 55 8 0 .23 40
06/23/2002 12:50 29 30 8.2 < 1 5.3 67.8 7 0.5 .38
05/28/2002 10:30 28 28 Low 8.2 < 1 6.2 76.9 11 0 .38 20
05/04/2002 14:50 29 31 < 1 6.3 81.9 26 0 .3 320
04/13/2002 13:30 24 26 Low 8.1 < 1 6.6 79.2 5 0 < .38 30
03/22/2002 11:15 15 18 8.2 < 1 8.8 91.5 0 < .38 10
02/23/2002 13:15 17 16 8.2 < 1 8.4 84 3 0.5 .3
01/26/2002 11:45 15 14 7.8 < 1 8.6 82.6 7 0 .3
11/10/2001 10:15 22 21 8 4 5.8 63.8 0 .3 240
10/14/2001 09:30 19 22 7.9 < 1 5.6 62.7 1 4.75 .46 390
09/29/2001 11:45 26.5 22.5 8.2 < 1 5.7 64.4 1.5 < .4
09/02/2001 17:09 29 26.5 High 7.7 < 1 4.8 58.1 0 8.5 .75 150
07/28/2001 18:00 29.5 32 Low 7.9 < 1 6.5 85.8 1 1.5 .3 130
06/24/2001 10:30 30 29 Low 8.1 < 1 5.7 71.8 4 2 10
05/19/2001 18:30 27 29 8 6.9 86.9 0 .3
04/20/2001 16:00 24 26.5 Low 8.5 < 1 8.3 99.8 0 .3 10
03/24/2001 09:40 20 19 8.1 < 1 6.3 66.8 0 < .23
02/24/2001 12:00 19 18.5 7.8 < 1 8.3 87.2 0 < .3 30
01/20/2001 13:45 5.5 11.5 8.1 < 1 10 91 2 4.25 .08 150
12/01/2000 12:00 20.5 16.5 Low 7.8 7.1 71.7 2 0.5 .15 190
10/22/2000 11:00 25 24.5 < 1 5.5 63.8 0 0.5 .38
09/09/2000 10:30 25 28 8.3 < 1 4.3 53.3 0 0.5 .36
08/12/2000 10:50 27.5 30 8.2 < 1 3.6 46.1 0 .23 110
07/22/2000 09:30 28.5 30 8.2 < 1 3.8 48.6 0 .23 50
06/17/2000 10:00 28.5 28 8.2 < 1 5.3 65.7 29 0 .3 380
05/29/2000 10:30 26.5 28 8 < 1 3.9 48.4 10 4.75 40
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