SITE: 112
Onion Creek below Lower McKinney Falls
Hydromet Rainfall
Hydromet Flow
Graph Data
Images
Date
Time
Air Temp (C)
Water Temp (C)
Flow
pH
GTLT
Nitrates-N (mg/L)
DO Avg (mg/L)
DO % Sat
Cond (µS/cm)
Days Since Rain
Field Rain Gauge (in.)
GTLT
Secchi (M)
GTLT
Transparency (M)
E.coli (cfu's)
7/20/2021
10:00
27.5
26
5
7.8
<
2
5.3
64.66
300
1
1.39
=
0.15
10/16/2019
17:21
21.5
21.5
2
8.2
<
1
7
79.1
820
1
0.14
=
0.82
3/11/2019
17:13
18
18
3
7.7
<
2
9.05
95.93
590
19
0
>
1
10/11/2017
17:15
23
24
2
7.35
<
1
6.3
74.34
620
8
0
9/11/2017
17:00
27
24
3
8.2
<
1
7.2
84.96
560
15
0
=
1.15
3/22/2017
17:15
30
25
3
8
<
2
6.9
82.8
520
3
0
>
1.22
1/11/2017
17:15
22.5
17
3
7.77
<
2
9.6
99.84
630
6
0
>
1.22
10/12/2016
17:20
25.5
25
3
7.86
<
1
6.05
72.6
610
5
0
=
0.56
10/3/2016
17:23
27
25
3
7.69
<
2
6.8
81.6
580
8
0
=
1.12
9/14/2016
17:20
37
28.5
3
7.74
<
1
5.15
65.4
590
4
0
=
1.11
6/27/2016
10:00
28
29
3
8.34
<
1
5.8
74.24
600
20
0.05
>
1.22
7/7/2015
10:23
28
27
5
7.57
<
2
6.15
76.26
600
7
0
=
0.59
12/2/2014
17:15
9.5
13
4
7.88
=
1
7.85
75.36
560
10
0
=
1.06
10/2/2014
17:30
33
29
3
8.37
=
1
7.3
93.44
450
14
0
=
0.6
7/14/2014
09:55
24
28
3
7.81
<
1
4.95
62.37
640
10
0.1
=
0.32
4/23/2014
17:16
29
27
3
7.96
<
1
5.55
68.82
620
9
0
=
0.65
3/21/2014
16:32
27
20
3
7.92
<
1
8.6
94.6
630
10
1/17/2014
16:40
21
22
3
7.4
=
2
13
148.2
750
7
7
=
1.14
10/9/2013
17:03
25
24
2
8.2
9.1
107.38
400
4
0
=
0.89
9/27/2013
16:30
27
27
2
7.68
<
2
7.25
89.9
510
7
0
=
0.72
7/9/2013
10:45
29.5
27.5
2
7.36
<
1
5.55
69.38
670
8
0
=
0.2
5/6/2013
17:00
29
20
2
7.7
<
1
6.8
74.8
580
8
0
=
0.54
4/15/2013
17:17
29
26
3
8.08
<
1
5.4
65.88
550
6
0
>
1.22
2/26/2013
17:10
19
17
7.74
<
1
8.2
85.28
600
16
0.01
=
0.72
1/23/2013
16:58
21
16
3
8.1
<
1
9.3
94.86
550
14
0
>
1.22
11/7/2012
17:08
19
19
2
7.16
<
1
8.2
88.56
650
12
0
>
1.22
6/11/2012
11:18
31
29
2
7.95
<
1
6.6
84.48
630
28
0
=
1.06
4/17/2012
17:22
26
24
3
8.05
=
2
7.2
84.96
690
14
0
>
1.22
3/30/2012
16:40
25
20
3
7.8
<
1
6.5
71.5
640
2
0.15
2/29/2012
17:05
19
19
3
7.39
8.9
96.12
620
10
0
2/14/2012
17:16
20
15.5
3
8.04
=
2
8.8
88.88
560
1
0.2
=
0.69
1/23/2012
17:05
17
15
2
7.85
<
1
10.2
102
700
14
0
=
0.9
10/5/2011
16:55
31
35
2
7.53
<
1
5.4
75.6
910
30
0
=
0.25
9/16/2011
16:30
31
30
2
8.53
<
1
9
117
900
30
0
=
0.22
4/13/2011
17:00
29
24
3
7.94
<
1
6.55
77.29
710
9
0.01
>
1.22
3/30/2011
17:00
20
20
3
8.05
<
1
9
99
630
34
0.01
>
1.22
1/26/2011
17:07
14.5
12
3
8.16
=
1
10.2
95.88
560
9
0.01
>
1.22
12/10/2010
17:00
24.5
19
3
8.07
8
86.4
750
6
0
>
1.22
11/29/2010
17:02
20
17.5
3
8.02
<
1
8.25
86.62
810
25
0
>
1.22
10/21/2010
17:00
29
25
3
7.8
<
1
5.75
69
660
27
0
>
1.22
10/4/2010
16:50
23
20
3
7.44
<
1
5.4
59.4
550
9
0
=
0.76
6/16/2010
10:20
28.5
28
3
7.96
<
1
6.5
81.9
540
4
0
=
0.835
3/29/2010
17:05
26
20
3
7.85
<
1
7.045
77.495
5.8
5
0
>
1.22
11/18/2009
17:15
12
15
3
7.76
<
1
9.3
93
620
10
0.05
>
1.22
33
9/9/2009
17:05
28
29
1
7.67
<
1
4.05
610
0
0.1
=
0.375
133.2
7/8/2009
09:48
29
29
2
7.9
<
1
3.7
510
9
0
=
0.47
6/10/2009
10:24
29
28
2
8.3
<
1
5.6
70.56
550
32
0
=
0.6
4/6/2009
17:12
18
18
3
8.44
<
1
8.95
94.87
540
4
0
=
0.69
2/18/2009
11:15
24
20
3
8.18
<
1
8.2
90.2
640
1
0.006
>
1.22
1/28/2009
17:15
8.5
10.5
2
8.17
<
2
12
109.2
780
23
0.1
>
1.22
9/18/2008
17:05
24
23.5
2
7.02
<
1
9.2
107.64
590
26
=
0.88
7/16/2008
09:55
29
28
2
7.92
<
1
4.7
59.22
630
10
0
>
1.22
6/25/2008
10:15
28
26
3
8.05
<
1
5.75
70.15
600
7
0
>
1.22
4/4/2008
16:43
19.5
20.5
3
8.26
<
1
8.55
94.905
0
0.15
>
1.22
2/6/2008
17:00
12
13.5
3
8.26
<
1
11.1
107.67
590
11
0
>
1.22
11/28/2007
17:01
14.5
13.5
2
8
<
1
7.9
76.63
600
3
0.3
>
1.22
11/5/2007
16:50
24
22
2
8.15
<
1
9.55
108.87
560
14
0
8/29/2007
17:20
29
28
3
8
<
1
6.8
85.68
550
6
>
1.22
6/19/2007
10:14
28
27
5
8
<
1
5.6
69.44
530
2
0.15
>
1.22
12/11/2006
17:04
19.5
15
2
6.5
<
1
10.6
106
540
2
0.05
=
0.64
11/15/2006
17:06
14
16
2
7.6
<
1
7.15
72.93
580
26
0
10/2/2006
16:56
30
26
2
7.7
<
1
7.1
540
9
0
=
105
9/20/2006
17:20
25
26
2
7.9
<
1
7.1
540
3
1
>
1.2
7/3/2006
09:23
25
24
Normal
7.6
<
2
6.175
72.865
370
1
0.2
4/17/2006
16:45
29
30
2
7.8
<
1
7
520
20
0
1/31/2006
17:05
23
15
Low
8.1
<
1
9.75
97.5
770
4
0
1/13/2006
16:30
16
14
Normal
7.9
<
1
10.75
105.35
810
11/7/2005
16:45
27
Low
<
2
590
10/17/2005
17:00
26
22
Low
7
<
6.15
70.11
480
9/15/2005
17:15
30
35
7.1
<
1
6.9
96.6
460
6/16/2005
10:40
28
28
Normal
7.1
<
1
7.25
91.35
420
12
0
5/6/2005
16:48
26
24
Normal
7.6
<
1
6.35
74.93
550
4/27/2005
15:00
26
23
Normal
7.3
=
7
7.85
91.06
590
2
0.15
3/28/2005
16:48
23
18
Normal
7.2
<
1
8.9
94.34
450
1
0.2
2/21/2005
17:00
19
17
Normal
7.3
<
1
8.6
89.44
310
1
1/24/2005
17:00
19
12
Low
7.1
=
1
12.2
114.68
320
12/8/2004
17:22
15
15
High
7.6
<
1
8.6
86
2
10/25/2004
16:45
25
24
High
7.4
>
1
7.9
93.22
250
2
3
11/10/1999
12:00
25
24
Low
8.1
<
1
11.1
128.8
11
0
8/12/1999
11:00
29.5
32.5
Low
8.2
<
1
9.5
126.8
25
0
6/9/1999
10:00
28
30
Normal
8.5
<
1
7.2
92.2
0
5/26/1999
09:00
25
27
High
7.9
<
5
5
60.4
2
3
4/22/1999
09:30
23
22
Normal
7.6
<
1
7.6
85.1
0
2/18/1998
09:30
14
12.5
8.8
<
1
10.25
99
2
1
1/2/1998
09:45
16
14
7.8
<
1
10.5
97
0
1
6/21/1997
09:45
27
28
6.8
<
1
7.9
100
0
0.25
6/14/1997
09:30
27
28
6.9
<
1
7.8
101
1
0.1
5/31/1997
11:33
27
24
7.8
<
1
1
11.8
1
0.16
4/20/1997
10:00
22.5
19
8
<
1
8.55
94
1
0.15
3/16/1997
10:00
14
14.6
7.8
<
1
7.35
70
0
0.1
3/1/1997
10:20
23
16
7.9
<
1
9
91
1
0.01
2/22/1997
10:08
17
14
8.2
<
1
9.5
90
1
2/8/1997
10:29
13
11
8
<
0.5
11
105
1
1/26/1997
10:30
19.5
14
7.8
<
1
10.6
105
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