20080868 Ver 2_2020 I-95 thru I-109 Ponar and Sweep WQ Data_20210701

Table 1-95. Hydrographic parameters measured at Broomfield Creek during 14 May
2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
18.1
19.2
18.1
19.2
Dissolved oxygen (%)
32.5
46.0
32.5
46.0
Dissolved oxygen (mg/L)
3.00
4.15
3.00
4.15
Specific conductivity (mS)
5.22
6.13
5.22
6.13
Conductivity (mS)
4.52
5.44
4.52
5.44
Salinity (psu)
2.81
3.35
2.81
3.35
pH
6.73
6.75
6.73
6.75
Secchi depth (inches)
22.00
35.00
22.00
35.00
Near bottom
Temperature (°C)
18.9
19.3
18.9
19.3
Dissolved oxygen (%)
13.4
49.6
13.4
49.6
Dissolved oxygen (mg/L)
1.21
4.40
1.21
4.40
Specific conductivity (mS)
6.68
11.24
6.68
11.24
Conductivity (mS)
5.91
10.01
5.91
10.01
Salinity (psu)
3.67
6.41
3.67
6.41
pH
6.61
6.70
6.61
6.70
1-107

Table 1-96. Hydrographic parameters measured at SCUT during 13 May 2020
benthic ponar grab and sweep sampling upstream and 14 May 2020 benthic ponar
grab and sweep sampling downstream.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
19.8
18.8
19.8
18.8
Dissolved oxygen (%)
58.0
47.8
58.0
47.8
Dissolved oxygen (mg/L)
5.36
4.36
5.36
4.36
Specific conductivity (mS)
0.78
6.82
0.78
6.82
Conductivity (mS)
0.71
6.01
0.71
6.01
Salinity (psu)
0.38
3.75
0.38
3.75
pH
7.29
6.67
7.29
6.67
Secchi depth (inches)
>5.00
29.00
>5.00
29.00
Near bottom
Temperature (°C)
19.8
19.3
19.8
19.3
Dissolved oxygen (%)
58.0
50.2
58.0
50.2
Dissolved oxygen (mg/L)
5.36
4.37
5.36
4.37
Specific conductivity (mS)
0.78
11.25
0.78
11.25
Conductivity (mS)
0.71
10.08
0.71
10.08
Salinity (psu)
0.38
6.47
0.38
6.47
pH
7.29
6.67
7.29
6.67
1-107

Table 1-97. Hydrographic parameters measured at Jacks Creek during 13 May 2020
benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
20.7
21.0
20.7
21.0
Dissolved oxygen (%)
90.5
91.5
90.5
91.5
Dissolved oxygen (mg/L)
7.96
7.94
7.96
7.94
Specific conductivity (mS)
13.41
14.30
13.41
14.30
Conductivity (mS)
12.24
13.20
12.24
13.20
Salinity (psu)
7.75
8.30
7.75
8.30
pH
7.34
7.63
7.34
7.63
Secchi depth (inches)
>28.00
>38.00
>28.00
>38.00
Near bottom
Temperature (°C)
20.2
19.4
20.2
19.4
Dissolved oxygen (%)
90.6
68.7
90.6
68.7
Dissolved oxygen (mg/L)
7.87
6.21
7.87
6.21
Specific conductivity (mS)
13.41
14.64
13.41
14.64
Conductivity (mS)
12.17
12.71
12.17
12.71
Salinity (psu)
7.75
8.48
7.75
8.48
pH
7.36
7.48
7.36
7.48
1-107

Table 1-98. Hydrographic parameters measured at Little Creek during 13 May 2020
benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
18.5
20.5
18.5
20.5
Dissolved oxygen (%)
26.6
87.6
26.6
87.6
Dissolved oxygen (mg/L)
2.46
7.66
2.46
7.66
Specific conductivity (mS)
3.27
13.70
3.27
13.70
Conductivity (mS)
2.86
12.51
2.86
12.51
Salinity (psu)
1.72
7.94
1.72
7.94
pH
6.91
7.72
6.91
7.72
Secchi depth (inches)
17.00
26.00
17.00
26.00
Near bottom
Temperature (°C)
19.6
19.2
19.6
19.2
Dissolved oxygen (%)
18.2
84.3
18.2
84.3
Dissolved oxygen (mg/L)
1.62
7.43
1.62
7.43
Specific conductivity (mS)
7.47
14.58
7.47
14.58
Conductivity (mS)
6.73
12.95
6.73
12.95
Salinity (psu)
4.11
8.60
4.11
8.60
pH
6.77
7.69
6.77
7.69
1-108

Table 1-99. Hydrographic parameters measured at Jacobs Creek during 19 May
2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
22.2
22.3
22.2
22.3
Dissolved oxygen (%)
53.6
66.5
53.6
66.5
Dissolved oxygen (mg/L)
4.34
5.42
4.34
5.42
Specific conductivity (mS)
14.74
15.34
14.74
15.34
Conductivity (mS)
13.96
14.54
13.96
14.54
Salinity (psu)
8.58
8.95
8.58
8.95
pH
6.93
7.23
6.93
7.23
Secchi depth (inches)
>42.25
37.50
>42.25
37.50
Near bottom
Temperature (°C)
22.2
22.3
22.2
22.3
Dissolved oxygen (%)
45.6
57.8
45.6
57.8
Dissolved oxygen (mg/L)
3.81
4.70
3.81
4.70
Specific conductivity (mS)
14.73
15.34
14.73
15.34
Conductivity (mS)
13.94
14.54
13.94
14.54
Salinity (psu)
8.57
8.96
8.57
8.96
pH
6.90
7.19
6.90
7.19
1-109

Table 1-100. Hydrographic parameters measured at PA2 during 21 May 2020
benthic ponar grab sampling and benthic sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
20.3
20.7
20.3
20.7
Dissolved oxygen (%)
35.8
28.3
35.8
28.3
Dissolved oxygen (mg/L)
3.04
4.41
3.04
4.41
Specific conductivity (mS)
14.41
14.99
14.41
14.99
Conductivity (mS)
13.11
13.76
13.11
13.76
Salinity (psu)
8.36
8.75
8.36
8.75
pH
6.80
6.76
6.80
6.76
Secchi depth (inches)
> 46.0
> 47.0
> 46.0
> 47.0
Near bottom
Temperature (°C)
20.4
20.8
20.4
20.8
Dissolved oxygen (%)
27.4
28.6
27.4
28.6
Dissolved oxygen (mg/L)
2.37
2.41
2.37
2.41
Specific conductivity (mS)
14.70
15.16
14.70
15.16
Conductivity (mS)
13.43
13.94
13.43
13.94
Salinity (psu)
8.58
8.85
8.58
8.85
pH
6.74
6.73
6.74
6.73
1-110

Table 1-101. Hydrographic parameters measured at Drinkwater Creek during 21
May 2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
20.4
20.7
20.4
20.7
Dissolved oxygen (%)
87.4
53.2
87.4
53.2
Dissolved oxygen (mg/L)
7.49
4.50
7.49
4.50
Specific conductivity (mS)
13.92
15.37
13.92
15.37
Conductivity (mS)
12.71
14.10
12.71
14.10
Salinity (psu)
8.07
8.99
8.07
8.99
pH
6.76
7.02
6.76
7.02
Secchi depth (inches)
> 47.0
47.00
> 47.0
47.00
Near bottom
Temperature (°C)
20.6
20.7
20.6
20.7
Dissolved oxygen (%)
11.1
51.3
11.1
51.3
Dissolved oxygen (mg/L)
0.93
4.30
0.93
4.30
Specific conductivity (mS)
14.26
15.37
14.26
15.37
Conductivity (mS)
13.05
14.10
13.05
14.10
Salinity (psu)
8.26
8.98
8.26
8.98
pH
6.64
7.04
6.64
7.04

Table 1-102. Hydrographic parameters measured at Long Creek during 20 May
2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
21.0
20.9
21.0
20.9
Dissolved oxygen (%)
67.2
72.5
67.2
72.5
Dissolved oxygen (mg/L)
5.63
6.07
5.63
6.07
Specific conductivity (mS)
15.07
15.30
15.07
15.30
Conductivity (mS)
13.94
14.12
13.94
14.12
Salinity (psu)
8.79
8.96
8.79
8.96
pH
7.19
7.39
7.19
7.39
Secchi depth (inches)
41.00
32.00
41.00
32.00
Near bottom
Temperature (°C)
20.7
20.0
20.7
20.0
Dissolved oxygen (%)
52.4
74.6
52.4
74.6
Dissolved oxygen (mg/L)
4.50
6.40
4.50
6.40
Specific conductivity (mS)
15.10
15.71
15.10
15.71
Conductivity (mS)
13.85
14.21
13.85
14.21
Salinity (psu)
8.81
9.20
8.81
9.20
pH
7.15
7.51
7.15
7.51
1-112

Table 1-103. Hydrographic parameters measured at Tooley Creek during 20 May
2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
21.1
21.3
21.1
21.3
Dissolved oxygen (%)
61.8
78.6
61.8
78.6
Dissolved oxygen (mg/L)
5.22
6.54
5.22
6.54
Specific conductivity (mS)
15.40
15.49
15.40
15.49
Conductivity (mS)
14.23
14.37
14.23
14.37
Salinity (psu)
9.00
9.07
9.00
9.07
pH
7.10
7.39
7.10
7.39
Secchi depth (inches)
49.00
33.00
49.00
33.00
Near bottom
Temperature (°C)
20.9
21.1
20.9
21.1
Dissolved oxygen (%)
47.9
61.5
47.9
61.5
Dissolved oxygen (mg/L)
4.10
5.18
4.10
5.18
Specific conductivity (mS)
15.59
15.55
15.59
15.55
Conductivity (mS)
14.19
14.35
14.19
14.35
Salinity (psu)
9.00
9.08
9.00
9.08
pH
7.08
7.33
7.08
7.33
1-113

Table 1-104. Hydrographic parameters measured at Muddy Creek during 20 May
2020 benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
20.1
20.9
20.1
20.9
Dissolved oxygen (%)
38.5
49.6
38.5
49.6
Dissolved oxygen (mg/L)
3.35
4.25
3.35
4.25
Specific conductivity (mS)
9.20
14.75
9.20
14.75
Conductivity (mS)
8.32
13.57
8.32
13.57
Salinity (psu)
5.18
8.57
5.18
8.57
pH
6.87
7.18
6.87
7.18
Secchi depth (inches)
28.00
31.00
28.00
31.00
Near bottom
Temperature (°C)
21.4
20.8
28.5
20.8
Dissolved oxygen (%)
14.7
47.1
15.0
47.1
Dissolved oxygen (mg/L)
1.32
4.03
6.31
4.03
Specific conductivity (mS)
14.00
15.14
9.00
15.14
Conductivity (mS)
13.00
13.94
9.61
13.94
Salinity (psu)
8.11
8.84
5.00
8.84
pH
6.89
7.16
6.99
7.16
1-114

Table 1-105. Hydrographic parameters measured at Huddles Cut during 7 May 2020
benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
16.3
17.5
16.3
17.5
Dissolved oxygen (%)
36.3
108.6
36.3
108.6
Dissolved oxygen (mg/L)
3.43
10.04
3.43
10.04
Specific conductivity (mS)
11.36
9.23
11.36
9.23
Conductivity (mS)
9.46
7.91
9.46
7.91
Salinity (psu)
6.50
5.18
6.50
5.18
pH
6.88
7.76
6.88
7.76
Secchi depth (inches)
>27.5
> 14.5
>27.5
> 14.5
Near bottom
Temperature (°C)
16.3
17.6
16.3
17.6
Dissolved oxygen (%)
35.9
98.5
35.9
98.5
Dissolved oxygen (mg/L)
3.37
9.10
3.37
9.10
Specific conductivity (mS)
11.37
9.28
11.37
9.28
Conductivity (mS)
9.47
7.96
9.47
7.96
Salinity (psu)
6.50
5.22
6.50
5.22
pH
6.88
7.70
6.88
7.70
1-115

Table 1-106. Hydrographic parameters measured at Porter Creek during 12 May
2020 benthic ponar grab sampling and benthic sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
22.7
19.4
22.7
19.4
Dissolved oxygen (%)
84.1
88.8
84.1
88.8
Dissolved oxygen (mg/L)
7.02
7.87
7.02
7.87
Specific conductivity (mS)
11.30
10.80
11.30
10.80
Conductivity (mS)
10.81
9.65
10.81
9.65
Salinity (psu)
6.43
6.14
6.43
6.14
pH
7.27
7.49
7.27
7.49
Secchi depth (inches)
35.50
35.25
35.50
35.25
Near bottom
Temperature (°C)
19.8
18.4
19.8
18.4
Dissolved oxygen (%)
74.9
80.3
74.9
80.3
Dissolved oxygen (mg/L)
6.50
7.41
6.50
7.41
Specific conductivity (mS)
11.29
11.10
11.29
11.10
Conductivity (mS)
10.13
9.69
10.13
9.69
Salinity (psu)
6.45
6.33
6.45
6.33
pH
7.28
7.61
7.28
7.61
1-116

Table 1-107. Hydrographic parameters measured at DCUT11 during 12 May 2020
benthic ponar grab sampling and benthic sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
17.5
18.8
17.5
18.8
Dissolved oxygen (%)
76.1
97.5
76.1
97.5
Dissolved oxygen (mg/L)
6.90
8.71
6.90
8.71
Specific conductivity (mS)
11.19
10.85
11.19
10.85
Conductivity (mS)
9.59
9.58
9.59
9.58
Salinity (psu)
6.39
6.17
6.39
6.17
pH
5.72
6.92
5.72
6.92
Secchi depth (inches)
> 20.00
> 17.0
> 20.00
> 17.0
Near bottom
Temperature (°C)
17.5
17.9
17.5
17.9
Dissolved oxygen (%)
63.6
91.8
63.6
91.8
Dissolved oxygen (mg/L)
5.82
8.40
5.82
8.40
Specific conductivity (mS)
11.32
11.10
11.32
11.10
Conductivity (mS)
9.70
9.63
9.70
9.63
Salinity (psu)
6.47
6.34
6.47
6.34
pH
6.79
7.05
6.79
7.05
1-117

Table 1-108. Hydrographic parameters measured at DCUT19 during 12 May 2020
benthic ponar grab and sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
14.8
17.6
14.8
17.6
Dissolved oxygen (%)
55.0
78.6
55.0
78.6
Dissolved oxygen (mg/L)
5.32
7.21
5.32
7.21
Specific conductivity (mS)
11.27
11.16
11.27
11.16
Conductivity (mS)
9.08
9.58
9.08
9.58
Salinity (psu)
6.43
6.37
6.43
6.37
pH
6.63
6.64
6.63
6.64
Secchi depth (inches)
> 12.0
>20.0
> 12.0
>20.0
Near bottom
Temperature (°C)
14.7
17.5
14.7
17.5
Dissolved oxygen (%)
54.2
72.9
54.2
72.9
Dissolved oxygen (mg/L)
5.21
6.68
5.21
6.68
Specific conductivity (mS)
11.28
11.16
11.28
11.16
Conductivity (mS)
9.06
9.56
9.06
9.56
Salinity (psu)
6.45
6.37
6.45
6.37
pH
6.72
6.87
6.72
6.87
1-118

Table 1-109. Hydrographic parameters measured at Duck Creek during 13 May
2020 benthic ponar grab sampling and benthic sweep sampling.
Parameter
Ponar
Sweep
Upstream
Downstream
Upstream
Downstream
Near surface
Temperature (°C)
18.5
19.4
18.5
19.4
Dissolved oxygen (%)
41.0
86.5
41.0
86.5
Dissolved oxygen (mg/L)
3.76
7.68
3.76
7.68
Specific conductivity (mS)
3.83
7.43
3.83
7.43
Conductivity (mS)
3.36
6.63
3.36
6.63
Salinity (psu)
2.03
4.11
2.03
4.11
pH
6.75
7.63
6.75
7.63
Secchi depth (inches)
> 25.0
29.00
> 25.0
29.00
Near bottom
Temperature (°C)
18.6
18.9
18.6 18.9
Dissolved oxygen (%)
33.4
75.5
33.4 75.5
Dissolved oxygen (mg/L)
3.06
6.83
3.06 6.83
Specific conductivity (mS)
4.02
7.53
4.02 7.53
Conductivity (mS)
3.54
6.65
3.54 6.65
Salinity (psu)
2.15
4.17
2.15 4.17
pH
6.73
7.57
6.73 7.57
1-119