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)
09/26/2003 08:50 22 24 Flood 7.9 < 1 4.1 48.38 380 6
08/29/2003 08:45 26 28 Low 8 < 1 5.6 70.56 16
08/01/2003 15:00 33 31 High 7.6 < 1 3.8 50.16 820 2 0.25
04/22/2003 10:00 25 23 No Flow 8.3 2 2 0.8
04/11/2003 09:00 18 18 Low 2 6.65 70.49 1990 0.3
02/14/2003 08:45 20 18 Normal 8 < 1 8.4 89.04 690 5 0 .06
01/17/2003 08:45 8 8 High < 1 9.1 78.26 5 0 .3
12/13/2002 08:30 13 14 High 8 1 9.2 90.16 0 5 .03
11/22/2002 08:30 18 16 Normal 8 1 6.8 69.36 6 0 .25
10/25/2002 08:30 24 23 High 7.9 3.2 37.12 0 3.5 .01
09/27/2002 08:40 24 31 High 7.7 < 1 2.65 34.98 5 0 .02
09/06/2002 08:45 24 26 Normal 8.6 4 6 73.2 0 0.25
05/15/2002 08:50 16 18 Low 8.1 < 4 7.4 76.4 1500 92
05/10/2002 09:00 34 28 Low 7.4 < 1 4.3 53.3 0
04/18/2002 10:45 30 28 Normal 7.5 < 1 5.5 68.2 1740 10 0
04/12/2002 08:50 22 26 Normal 7.8 < 1 5.3 63.3 770 4 0
01/18/2002 08:30 16 16 Low 7.7 < 1 6.8 68 660 0
11/16/2001 08:50 20 20 Normal 7.4 < 1 7.4 79.4 530 0 2
10/26/2001 08:45 18 20 Normal 7.1 < 2 5.6 60.5 790 13 0
09/28/2001 09:00 25 21 High 8 < 1 5.4 58.9 560 8 0
09/07/2001 09:30 26 28 High 7.1 < 1 3.9 48.4 240 2 1
08/04/2001 09:20 26 28 9 < 1 7.1 88
04/18/2001 08:30 12 19 Low 7.5 < 9 9.2 97.5 1 0.1
04/11/2001 08:40 22 23 Normal 7.4 4 5.2 59.3 1900 17 0
11/17/2000 08:55 11 11 High 7.3 < 1 6.8 61.2 440 0 2.5
11/03/2000 09:00 22 26 Normal 8.4 3 8.1 96.6 0 0.5
09/29/2000 09:00 17 20 Normal 9.2 < 1 8.8 95 1650 3 0
09/01/2000 09:00 30 28 Low 8.8 < 1 5.3 65.3 14 0
05/12/2000 08:40 27 27 Low 7.8 < 1 4.2 50.8 10 0
04/18/2000 08:30 23 25 Low 8.2 6.4 75.2 7 0
04/11/2000 08:15 23 25 8.2 < 1 6.4 75.2 0 0
10/01/1999 08:40 17 19.5 Normal 7.5 < 1 5.6 59.9 1 6
09/03/1999 08:45 25 26 Normal 8.4 < 1 5.4 64.8 3 0.5
06/11/1999 08:40 31.5 28 Normal < 1 5.4 66.3 0 0.5
05/14/1999 08:50 25 26 Normal 7.4 5.6 67.2 3 1.75
04/22/1999 11:05 28 26 Normal 8.1 < 1 5.6 67.2 0
04/16/1999 09:00 16 18 Normal 8.1 < 1 6.2 64.5 2 0.2
03/19/1999 10:00 23 20.5 Normal 8 6.8 74.1 6 0 .1 66.5
02/19/1999 13:00 19 19 8 < 1 9 95.4 1 0.5 8.33
10/30/1998 09:08 26 23 High 8.2 < 1 5.4 61 3 .02
10/02/1998 08:45 26 28 Normal 8.4 < 1 2.6 32.2 6 0.1 .15
09/04/1998 08:40 28 29 Normal 7.8 < 1 5 63 11 0.1 .25
07/29/1998 10:30 28 31 8 < 1 4.6 59.8
06/12/1998 09:00 15 15 Normal 8.2 < 1 5.2 51 89 0 .05
05/15/1998 09:10 25 Normal 7.4 < 1 3.3 38.6 61 0
04/17/1998 08:45 18 20 Low 7.6 < 1 5 54 33 0 .1
03/20/1998 09:00 13 16 High 7.6 < 1 5.9 59 5 0 .2
02/06/1998 09:05 10 9 High 7.9 < 1 7.5 64.5 1 2 .25
01/25/1998 09:15 14 12 8.4 < 1 9.8 4 0
11/07/1997 08:40 10 6 6.5 < 1 7 55 2 0 .1
09/26/1997 09:25 21 25 7.2 < 1 2.6 28 2 8 .25
05/04/1996 13:50 30 26 7.6 < 1 7.4 88.8 5 1.25 .38
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