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)
04/19/2004 15:30 26.6 21 Low 6 4 0
03/12/2004 11:30 Low
02/09/2004 10:30 17 12 No Flow 7 9.45 88.83 560 4 0.1
01/19/2004 14:30
01/09/2004 14:20 No Flow
12/22/2003 11:20 20 12 6.85 64.39 0
12/19/2003 16:00 18 9 No Flow 6.9 7 0
10/31/2003 09:30 28 20 No Flow < 1 6.5 71.5 420 0 0.01
09/01/2003 10:30 25 28 No Flow 7.5 10.95 137.97 750 0.1
08/08/2003 09:30 30 28 No Flow 7.2 8.85 111.51 930 10 0
06/02/2003 15:00 35 22 No Flow 7.1 10 114 880 10 0 60
05/14/2003 07:50 24 22.5 No Flow 7.1 5.15 59.23 1060 10 0
04/22/2003 13:30 19 21 No Flow 7.4 1170 0.5 0.25 60
03/27/2003 16:00 24 23 Low 7.7 11.75 136.3 820 3 0.5
02/27/2003 14:30 8 8 Low 7.3 310 4 2 120
01/23/2003 12:00 19 9 No Flow 8.15 71.72 590 10 0 70
12/06/2002 14:00 13 9 Low 7.4 8.35 73.48 150 2 4 110
11/15/2002 11:40 22 16 No Flow 7.4 6.2 63.24 650 11 0 40
10/26/2002 11:30 18 17 High 7.2 5.55 57.72 0 4 120
09/05/2002 00:00 31 31 No Flow 8.5 8.75 115.5 465 0 40
08/18/2002 09:30 29 28.5 Low 7.2 4.7 58.8 430 3 2.5 120
07/22/2002 16:30 30 32 7.4 5.4 71.3 180 5 0.5 340
06/27/2002 16:00 30 31 8.6 8.6 111.8 1 2.6 150
05/18/2002 09:00 20 22.5 7.6 3.2 36.2 820 8 0 30
04/18/2002 10:11 25 24 7.5 5.1 58.6 575 10 0 50
03/28/2002 13:30 26 20 7.8 9.6 103.7 990 7 0
02/23/2002 16:00 24 19 7.8 10.2 107.6 5
01/07/2002 12:00 12 8 7.3 9.3 78.1 1 2 540
12/28/2001 15:30 15 12.5 7.3 8.9 82.8 10 0 10
11/30/2001 15:00 23 14 7.3 5.6 53.8 2 0.5 190
09/06/2001 15:30 30 25 High 7.1 6.3 73.8 600 0 2.2 231
08/04/2001 15:45 38 33 8.8 10.3 138 16.5
07/27/2001 16:10 38 34 Low 8.4 8.9 120.4 100 17 0
06/23/2001 11:00 34.4 5.7 910 2 0.4
05/25/2001 11:30 30 Low 7.8 11.3 980 0 0.5 16.5
04/20/2001 14:00 26.5 24 7.6 9.1 105 3 0.1
03/30/2001 11:00 11 12 7.6 8.1 74.5 2 16.65
02/23/2001 11:00 19 15 7.4 7.3 71.5 290 2 0.1
01/25/2001 16:30 18 14 7.1 9.3 89.3 0 50
12/30/2000 16:00 15.5 10 Low 7.4 9.7 84.9 4 0 10
11/25/2000 17:00 13 7 Low 6.9 8 65.6 3 16.65
10/29/2000 15:00 24 22 7.8 7.6 85.1 10 0 30
07/24/2000 15:30 36.5 32 Low 8.6 9 118.8 2 0.2
06/05/2000 16:00 28 27 7.9 5.1 61.6 0 0.98 116
05/10/2000 15:00 30 30 Low 7.1 5.1 65.3 8 4 16.65
04/18/2000 10:00 23.5 24 7.6 5.8 67.3 8 0 33.3
03/29/2000 16:00 28 26 Low 7.8 8 96 5 80
02/08/2000 15:30 25 19 7.8 9.7 102.3 2 0.03 16.65
01/12/2000 15:00 28 18 8.3 9.3 96.2 2 3.5 50
11/04/1999 14:30 25.5 20 Low 7.9 9.8 105.3 11 0 83.25
10/05/1999 14:30 32.5 26 8.2 9.2 110.7 7 0 49.95
09/16/1999 16:00 33 29.5 8.2 11.1 141 15 0 183.15
07/21/1999 11:15 30 27.5 Low 7.1 7 86.1 1 3 83.25
07/03/1999 12:00 35 29.5 8.1 5.8 73.7 6 0 66.6
06/04/1999 10:00 26.5 26 Low 7.6 5.1 60.6 3 0 49.95
05/17/1999 10:00 28 28 8.9 10.6 131.4 1 0 83.25
04/22/1999 10:40 25 23 Low 7.8 88.3 7 0
04/04/1999 10:00 27 20 7.2 7.1 76.7 4 1.5 66
03/18/1999 13:30 23.5 19.5 7.9 9.6 102.2 6 0 49.95
03/01/1999 11:30 28 20 8.5 91.8 2 0.2 33.3
02/15/1999 12:00 23 14 7.8 9.8 94.1 3 0.25 199.8
02/01/1999 10:00 15.5 15 7.8 < 1 9.1 89.2 4 0
12/21/1998 10:00 22.5 19.5 7.8 2.1 22.1 0 .43
09/12/1997 07:30 28 29 Normal 8.3 < 1 5.7 71.8 3 0.25 .4
An unhandled error has occurred. Reload 🗙