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)
10/18/2007 16:00 30 25 3 7.5 2 11 132 630 17 0 > .33
06/03/2007 17:15 30 26 4 7 < 1 6.5 79.3 540 5 0 > .44 50
04/01/2007 11:00 20 20 3 7 < 1 5.2 57.2 330 3 0.42 .3 850
03/04/2007 17:00 9 9 3 7 < 1 10.3 90.64 600 50 0 > .5
01/07/2007 17:30 15 13 4 7 1 9.95 650 6 0.1 .5
11/05/2006 17:20 22 20 3 7.5 < 1 9.4 103.4 620 11 0 > .3 83.25
09/03/2006 17:10 30 28 2 7.5 < 1 7.45 600 4 0 > .45 33.3
08/06/2006 17:20 30 32 3 7 < 1 7.55 570 34 0 > .18
06/10/2006 10:15 32 31 Normal > 1 7.8 102.96 660 30 0
04/02/2006 17:40 29 22 7 < 1 9 102.6 1000 4 0.16
03/05/2006 17:35 23 20 Normal 7 9.6 105.6 990 8 0.09 > .2
02/05/2006 17:10 20 14 Normal 7.5 < 1 10.6 103.88 960 5 0.02 > .23
01/01/2006 16:50 24 17 Low 7 < 1 9.75 101.4 820 35 0 > .25
12/04/2005 17:10 7 10 Low 7 < 1 9.15 82.35 800 8 0.06 > .27
11/06/2005 17:10 23.5 20 Low 7 < 1 6.77 74.43 710 6 0.19
10/02/2005 17:20 29 25 Low 7.5 < 1 6.1 73.2 600 7 0 > .2
09/11/2005 17:20 24 23.5 Flood 7.5 < 1 6.8 79.56 580 0 1.4 < .5
09/04/2005 17:20 30 26.5 Normal 7.5 < 1 7.05 86.72 610 > .25
08/07/2005 18:20 29 26 Low 7 < 1 7.3 89.06 630 2 3 > .25
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