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)
07/06/2002 12:00 32.5 27 8 4.4 53.7 400 1
06/11/1998 19:00 30 27 8 < 1 6.7 81.7 0
02/08/1998 16:00 20 6 8.2 < 1 10.2 82 1.07 10
12/08/1997 16:00 26 18 8.3 < 1 4
09/02/1997 16:00 33 32 < 1 7 95 2.74
07/16/1997 08:30 31.5 30 < 1 8.6 111 .91 5
06/13/1997 11:02 25 26 < 1 6.7 100
04/12/1997 18:00 16 18 10.2
01/30/1997 17:40 172.5
01/20/1997 17:45 1 0.5
01/08/1997 17:00 12.5
01/01/1997 15:30 26 19 8.6 < 1 9.6 102 .76 170
12/08/1996 13:00 20 18 < 1 8.7 90 .64 5
11/24/1996 15:15 26 20 8.9 < 1 9.9 106 .55
11/03/1996 13:00 25 22 7.9 < 1 8.2 92 2.13 400
09/04/1996 18:30 29.5 30.5 8 < 1 7.5 98 0 0.5 .95 2072.5
08/20/1996 10:45 33 30 7.3 < 1 6.3 80 1 1.5 105
08/13/1996 9:10 34 31 8.2 < 1 6.2 88 0 .3 35
08/13/1996 10:15 33 32 8 < 1 6.9 93 2 0.25
07/16/1996 11:15 26 30 Normal 8.3 < 1 6.25 80 1 190
06/02/1996 8:00 25 26 8.2 < 1 7.4 88 3 0.5 1.5 260
05/24/1996 12:00 36 24 8.2 < 1 7.4 86 12.5
04/30/1996 18:15 26 23 8.2 < 1 9.2 105 3 440
04/22/1996 18:30 23 19 8.2 < 1 9.9 105 0 3.5
03/31/1996 16:30 23 18 8.2 < 1 10.4 107 1.3
03/17/1996 06:00 29 18 7.6 < 1 9.7 101 1 0.5 1.5
03/09/1996 10:30 6 12 7.6 < 1 10.4 95 1.7
02/18/1996 17:00 25 13 8 < 1 9.8 92 2.5
01/28/1996 15:00 16 13 8 < 1 10.1 95 5
01/14/1996 16:00 25 16 8.1 < 1 10.55 102 .6
12/30/1995 10:18 18 7.8 < 1 9.35 98 7
12/03/1995 14:30 36 23 7.8 < 1 8.2 94 6 15
11/27/1995 17:25 23 15 8.1 < 1 8.7 86 5.5
11/20/1995 10:10 16 20 7.8 < 1 7.1 79 6.5
11/10/1995 16:30 23 20 8 < 1 8.45 92 0 6 7.5
10/04/1995 11:45 25 26 8 < 1 6.5 78 2 0.25
09/26/1995 10:55 28 27 8 < 1 7 86 4 0 6
09/18/1995 10:45 32 33 Normal 8.2 < 1 6.35 87 2 1 5.5
09/11/1995 10:20 30 29 8.2 < 1 6.7 85 1 0.5 5 20
08/31/1995 11:30 30 27 8.4 < 1 6.7 81 0 5 320
08/22/1995 13:30 36 32 8.4 < 1 7 95 1 5.5
08/10/1995 11:20 29 30 8.4 < 1 7.1 94 5
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