Clean Lakes Program: Duck - Sullivan County

 

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Indiana Clean Lakes Program Lake Report

Duck

  

Sullivan County

1996

          
Sample Location: Deep Hole
Sample Date: 1996-08-19
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1996
13.4
4.5
47
26
91.9
9.21
7.48
997
890
60.8
141.9
0.01
0.013
0.02
0.056
0.3
0.051
0.046
0.018
0.898
0.351
1.228
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
26.1
26.1
26
26.04
26.04
25.99
25.99
23
19
15.3
14
13
DO (mg/L)
7.5
7.45
7.45
7.4
7.5
7.45
6.52
5.88
6.5
3.27
0.012
0.01
                                                                           
% Water Column Oxic: 83.3
  
Blue-Green Dominance (% of NU): 91
  
          Carlson TSI: 35
                    Indiana TSI: 17
                                                                           
Blue-Greens (#/L): 3916   Greens (#/L): 47   Diatoms (#/L): 85   Other Algae (#/L): 198   Rotifers (#/L): 38   Zooplankton (#/L): 18
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-08-16
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1999
11.27
2.6
48
23
89
8.1
6.9
957
707
94
146
0.01
0.01
0.019
0.265
1.74
0.022
0.022
0.018
0.576
0.594
1.179
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
26.3
26.4
26.4
26.4
26.4
26.3
26.2
25.5
21.9
17
13.4
11.5
10.3
9
DO (mg/L)
7.1
7.2
7.1
7.2
7.2
7.1
7.2
4
0.5
0.2
0.2
0.2
0.2
0.2
                                                                           
% Water Column Oxic: 50
  
Blue-Green Dominance (% of NU): 18
  
          Carlson TSI: 43
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 17   Greens (#/L): 0   Diatoms (#/L): 0   Other Algae (#/L): 49   Rotifers (#/L): 14   Zooplankton (#/L): 14.7
 
 

2008

          
Sample Location: Deep Hole
Sample Date: 2008-07-30
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2008
11.5
3.4
30
21.5
137.7
9.1
7.5
581
677
85
123
0.01
0.01
0.021
0.046
2.27
0.48
0.224
0.087
0.071
0.57
0.789
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
29.7
29.5
29.5
28.6
28.3
28.1
25.3
20
17
14.4
12.4
10.7
9.5
DO (mg/L)
10.6
10.6
10.3
10.4
10.7
10.2
6.2
6.1
5.3
3.3
1.5
0.8
0.6
                                                                           
% Water Column Oxic: 78.3
  
Blue-Green Dominance (% of NU): 90.9
  
          Carlson TSI: 43
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 2343   Greens (#/L): 45   Diatoms (#/L): 98   Other Algae (#/L): 45   Rotifers (#/L): 18   Zooplankton (#/L): 29.5
 
 

2012

          
Sample Location: Deep Hole
Sample Date: 2012-07-04
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2012
10.67
4.2
19.42
11.5
74.2
9.2
7.4
618
422.7
90
121
0.01
0.01
0.013
0.03
2.32
0.013
0.013
0.018
0.018
0.477
0.547
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
30.4
30.1
29.9
29.7
29.5
28.1
25.2
20.3
15.9
14.1
11.2
9.6
DO (mg/L)
5.72
5.78
5.58
5.59
5.54
5.83
6.53
7.23
5.89
1.07
0.17
0.09
                                                                           
% Water Column Oxic: 70
  
Blue-Green Dominance (% of NU): 81.3
  
Blue-Green Dominance (% of cells): 39.4
           Carlson TSI: 42
                   
                                                                           
Blue-Greens (#/L): 623360   Greens (#/L): 785975   Diatoms (#/L): 153581   Other Algae (#/L): 18068   Rotifers (#/L): 4   Zooplankton (#/L): 26
Blue-Greens (cells/L): 15149   Greens (cells/L): 3315   Diatoms (cells/L): 153   Other Algae (cells/L): 18   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

 

In 2011 CLP changed plankton sampling methods, thus the Indiana TSI is no longer calculated.
Epi
 Epilimnion
Alk
 Alkalinity (mg CaCO3/L)
DO
 Dissolved Oxygen (mg/L)
NH3
 Ammonia (mg-N/L)
SRP
 Soluable Reactive Phosphorus (mg-P/L)
Hypo
 Hypolimnion
Chl-a
 Chlorophyll-a (ug/L)
Light 3'
 Percent light penetration at 3ft
NO3
 Nitrate (mg-N/L)
TP
 Total Phosphorus (mg-P/L)
   
Cond
 Conductivity
1% Light Level
 Depth of the 1% light level (ft)
TKN
 Total Kjeldahl Nitrogen (mg-N/L)
Temp
 Temperature (oC)