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)
05/07/2013 10:00 24 22 3 7 6.1 69.54 8 1.5 > .3
02/18/2013 12:30 20 17 3 7.1 < 1 7.4 76.96 14 0 < 1.5
11/12/2012 11:45 26 27 3 7.1 < 1 5 62 30 0
10/11/2012 11:30 32 26 3 6.9 < 1 4.7 57.34 18 0 .5
07/26/2012 13:30 29 31 3 7.1 < 1 5.9 77.88 4 0
02/28/2011 13:00 24 20 3 7.8 < 2 8 88 0 0 .35
10/26/2010 12:30 29 25 3 7.6 3.6 43.2 30 0 .4
07/26/2010 11:00 29 31 1 7.6 < 1 4.64 61.25 400 8 0.2 .35 99.95
05/26/2010 11:08 27 27 3 8 < 1 5.6 17 0 .43 83.25
04/28/2010 10:30 21 21 3 8 < 1 7.1 79.52 0 .3
03/26/2010 10:45 15 17 3 7.8 < 1 8.6 89.44 7 0.3 .2 16.65
10/07/2009 12:30 30 30 3 7.6 6 7 0.25 .38 16.6
08/18/2009 13:00 34 20 2 7.8 4.8 7 .4
06/28/2009 12:00 22 28 2 7.8 6.6 30 0 .38
02/08/2009 11:30 21.5 19 2 7.8 < 1 5.9 63.72 7 0 0.36
08/25/2008 12:30 28 29 7.8 < 1 5.7 6 > .35
05/14/2008 11:30 27 26 3 7.4 < 1 4.6 56.12 0 0 .33 16.65
04/22/2008 11:30 23 24 3 8 < 1 6 0 .38 16.65
04/02/2008 12:06 24 24 3 8.1 < 1 5.8 68.44 3 0 .45 149.9
02/18/2008 11:00 15 16 3 7 < 1 5.7 58.14 1 0.5 0.15
05/25/2007 11:00 26 3 8 < 1 5.4 65.88 1 0.7 .3
12/20/2006 13:30 21 19 3 < 1 6.8 73.44 1 3 .56
11/01/2006 11:45 24 24 7.8 < 1 1 > .2 66.6
07/29/2006 12:30 29 30 Normal 8.1 < 1 7.7 100.1 9 0 549.45
05/11/2006 12:30 22 23.5 Low < 1 7.4 86.58 5 0 66.6
04/07/2006 12:30 24.5 26 High 8.1 < 1 3.4 41.48 6 0 249.75
01/10/2006 11:30 17 15 Low 8.2 < 1 8.1 81 2 0.25
12/12/2005 11:30 24 19 Normal 8.2 < 1 9.8 105.84 6 0 99.9
06/15/2005 11:30 29.5 31 Normal 8.6 < 1 7.5 99 14 0 16.65
05/19/2005 11:30 26.5 24 Normal 7.5 < 1 4.5 53.1 350 0 84.75
04/20/2005 11:30 24.5 24 No Flow 8 < 1 8 94.4 49.95
09/02/2004 12:52 25 27 Normal 8.2 < 1 7.8 96.72 0 .3
07/08/2004 12:30 28.5 30 High 7.8 < 1 6 78 7 0 .2
05/09/2004 11:30 23.5 24.5 Normal 7.8 < 1 7.2 85.68 7 0 .15 216.45
03/17/2004 11:00 19 18 Low 8.1 9 95.4 0 .3 83.25
02/16/2004 10:20 10.5 13 High 8 < 1 10 96 2 1 .01 1165.5
12/23/2003 12:30 16 15 Normal 7.8 < 1 9.4 94 1 0.12 .15
09/14/2003 11:45 25 28 Normal 7.8 < 1 5.9 74.34 2 2 .24 83.25
08/17/2003 10:45 29 29 Normal 8 1 6.3 80.64 0 .38 4.5
08/03/2002 12:30 31 Normal 7.8 1 6.05 89.54 18 0 .46
07/09/2002 11:45 28 28 Normal 7.6 < 1 5.4 67 0 .51 366.3
06/13/2002 11:30 28.5 29 Normal 8.2 < 1 5.9 74.3 0 < .41 266
03/04/2001 10:30 14 15 7.1 < 1 9 88.2 1 2 .46 216.45
02/04/2001 11:30 14 15 7.8 < 1 8.8 86.2 6 0 .2 149.85
12/11/2000 11:30 22 19 Normal 7.6 < 1 7.7 81.6 5 0 .3 116.5
11/05/2000 11:45 25 25 Normal 7.8 < 1 6.1 72 0 2 .61 266.4
10/17/2000 11:45 25 25 Normal 7.8 < 1 6.2 73.2 0 .61 49.95
09/17/2000 12:30 28 25 Normal 8 < 1 6.3 74.3 3 2 < 4.27 116.55
02/05/2000 13:30 14 14 8.2 < 1 10.7 102.7 .55 33.3
01/15/2000 12:30 20 18 Normal 7.8 < 1 7.3 75.9 2 0.1 < .53 33.3
12/04/1999 12:00 22 21 Low 7.8 < 1 7.3 80.3 0 0.5 < .53 83.25
10/13/1999 13:00 28 27 Normal 8 < 1 6.7 81.7 14 0 160.5
09/05/1999 12:00 31 30 Normal 8 < 1 6 76.8 1 2 < .38 1981.35
08/01/1999 11:45 31 31 Normal 8.2 < 1 6.2 80.6 5 0 .3 233.1
07/01/1999 13:00 32 30 Normal 8 < 1 6.4 81.9 6 0 .41 116.5
06/02/1999 11:30 28.5 28 Normal 8.1 < 1 7.2 89.3 4 0 .46 283.3
05/02/1999 11:45 24 22.5 8 < 1 7 79.1 .46
03/14/1999 11:45 9.5 14 Normal 8.4 < 1 9.6 92.2 2 0.5 .61
02/07/1999 11:30 21.5 21 Normal 8.2 < 1 7.7 84.2 2 0.1 .46
01/17/1999 12:00 19.5 17 8 9.2 93.8 4 0 .3
12/06/1998 12:10 25 23.5 Normal 8.4 < 1 8.2 94.3
12/04/1998 13:30 17 Normal 8.1 < 1 8.7 88.7 0 .91
11/01/1998 12:10 24.5 24.5 Normal 7.9 < 1 6.9 80.7 6 0 .38
10/04/1998 10:45 28.5 28 Normal 7.4 < 1 5.9 72.5 1 0.25 .38
08/30/1998 12:00 28 29.5 Normal 7.7 < 1 5.4 68.6 8 0 .3
08/16/1998 12:00 28.5 29 Normal 8 < 1 5.4 68 2 0.25 .3
07/29/1998 17:20 33 32.5 Normal < 1 6.9 91.8 0 .43
07/05/1998 11:30 30 29.5 Normal 8 < 1 6.3 80 3 4.5 .03
06/07/1998 11:30 26.5 26.5 Normal 8.1 < 1 6.8 82.3 1 0 .25
04/05/1998 12:15 19 21 Normal 8.2 1 8.5 93.5
02/08/1998 13:00 12.5 15 Normal 7.8 1 7.5 73 2 0.5 1
01/04/1998 11:45 21.5 17 8 < 1 8.9 0
01/03/1998 11:45 25 24 Normal 8.2 < 1 6.5 75.4 0 1.07
12/14/1997 12:30 14 13 Normal 8 < 1 9.75 .23
10/12/1997 12:30 28 26.5 High 7.7 < 1 5.1 61.7 1 8
09/12/1997 19:30 28 29 Normal 8.3 < 1 5.7 71.8 65 0.25 .38
08/03/1997 13:15 31 31 Normal < 1 2 2 .46
07/13/1997 13:20 29 32.5 Low 8.2 < 1 6.5 .34
06/15/1997 13:00 27.5 29 Normal 7.1 < 1 7.4 92.6 6 .3
05/04/1997 12:00 24.5 24 7.3 < 1 9.25 9 .15
04/06/1997 12:00 26 22 6.6 < 1 7.5 86.2 .1
02/09/1997 12:05 10 12 6.9 0.01 10.9 0 1
10/05/1996 13:00 22 23 7.1 0.25 7.56 0 0.5 .46
An unhandled error has occurred. Reload 🗙