Clean Lakes Program: Shakamak - Sullivan County

 

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Indiana Clean Lakes Program Lake Report

Shakamak

  

Sullivan County

1991

          
Sample Location: Deep Hole
Sample Date: 1991-06-26
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
1991
7.9
1.7
14.6
8.2
50.2
7.8
6.7
245
280
79.8
156.4
0.01
1.329
0.078
0.138
0.696
0.641
0.066
5.773
1.529
7.901
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)
27.5
27
26.5
26
19
13
11
9.8
DO (mg/L)
7.2
5.7
4
1.2
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 29
  
Blue-Green Dominance (% of NU): 98
  
          Carlson TSI: 60
                    Indiana TSI: 43
                                                                           
Blue-Greens (#/L): 84522   Greens (#/L): 686   Diatoms (#/L): 98   Other Algae (#/L): 883   Rotifers (#/L):   Zooplankton (#/L): 107
 
 

1997

          
Sample Location: Deep Hole
Sample Date: 1997-07-08
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
1997
7.9
1.2
17.5
8
50.7
7.93
7.03
255
225
76.1
93.6
0.01
0.348
0.076
0.444
29.19
0.022
0.025
0.018
1.076
0.838
1.634
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)
28
26
25.5
22.5
17.9
14
12
DO (mg/L)
7.9
7
4.2
0.35
0.25
0
0
                                                                           
% Water Column Oxic: 66.7
  
Blue-Green Dominance (% of NU): 96
  
          Carlson TSI: 63
                    Indiana TSI: 52
                                                                           
Blue-Greens (#/L): 149264   Greens (#/L): 2530   Diatoms (#/L): 1265   Other Algae (#/L): 2108   Rotifers (#/L): 422   Zooplankton (#/L): 74.1
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-08-03
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
7.9
2.2
26
12.5
77.9
6.8
6.4
283.7
84
116
0.01
0.02
0.059
0.135
15.83
0.022
0.022
0.018
1.487
0.634
3.8
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)
31.1
30.1
29.4
29.1
27.3
18.3
13.6
10.4
DO (mg/L)
6.01
6.12
5.95
6.16
4.43
1.19
0.15
0.17
                                                                           
% Water Column Oxic: 80
  
Blue-Green Dominance (% of NU): 23
  
          Carlson TSI: 57
                    Indiana TSI: 14
                                                                           
Blue-Greens (#/L): 796   Greens (#/L): 586   Diatoms (#/L): 42   Other Algae (#/L): 1717   Rotifers (#/L): 293   Zooplankton (#/L): 15.2
 
 

2001

          
Sample Location: Deep Hole
Sample Date: 2001-06-19
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
2001
7.9
2.4
57
12
105
8.6
6.9
294.5
229
82.5
84
0.01
0.01
0.024
0.064
2.3
0.053
0.306
0.046
0.206
0.626
0.766
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)
27.8
27.1
26.6
23.9
18.8
15.9
13.7
11
DO (mg/L)
9.1
9.1
8.4
14.5
5.5
1
0.8
0.8
                                                                           
% Water Column Oxic: 66.7
  
Blue-Green Dominance (% of NU): 63
  
          Carlson TSI: 45
                    Indiana TSI: 21
                                                                           
Blue-Greens (#/L): 33321   Greens (#/L): 231   Diatoms (#/L): 77   Other Algae (#/L): 19090   Rotifers (#/L): 386   Zooplankton (#/L): 24.6
 
 

2002

          
Sample Location: Deep Hole
Sample Date: 2002-06-18
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
2002
7.9
1.9
10
39
103.9
7.8
7.2
183.1
197.3
59
95.5
0.01
0.247
0.056
0.271
1.65
0.013
0.013
0.018
0.649
0.634
2.06
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)
25.7
25
24.6
22.7
16.8
11.7
9.9
9
DO (mg/L)
9.75
10.08
8.9
11.9
2.9
0.8
0.7
0.7
                                                                           
% Water Column Oxic: 49.2
  
Blue-Green Dominance (% of NU): 93
  
          Carlson TSI: 49
                    Indiana TSI: 41
                                                                           
Blue-Greens (#/L): 132006   Greens (#/L): 343   Diatoms (#/L): 196   Other Algae (#/L): 9163   Rotifers (#/L): 147   Zooplankton (#/L): 115.4
 
 

2004

          
Sample Location: Deep Hole
Sample Date: 2004-06-15
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
2004
6.7
0.8
40
7
73
8.57
7.25
325
260
92
107.5
0.023
0.188
0.135
0.237
100.03
0.015
0.013
0.018
0.517
0.8
1.333
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)
28.7
28
27.2
26.1
22.3
16.4
13
10.8
DO (mg/L)
9.6
10.6
5.8
1.54
1.43
0.86
0.78
0.75
                                                                           
% Water Column Oxic: 50
  
Blue-Green Dominance (% of NU):
 
          Carlson TSI: 71
                    Indiana TSI: 0
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
 
 

2005

          
Sample Location: Deep Hole
Sample Date: 2005-08-17
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
2005
6.4
1.3
13
8.2
64
7.9
7.2
244
256
73.5
118
0.01
1.054
0.041
1.128
29.05
0.013
0.015
0.18
2.261
0.652
3.514
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)
27.7
27.2
26.6
26.5
23.4
18.1
13.9
DO (mg/L)
7.1
6.3
5.1
3.7
0
0
0
                                                                           
% Water Column Oxic: 31.3
  
Blue-Green Dominance (% of NU): 88.7
  
          Carlson TSI: 59
                    Indiana TSI: 47
                                                                           
Blue-Greens (#/L): 54123   Greens (#/L): 5700   Diatoms (#/L): 479   Other Algae (#/L): 287   Rotifers (#/L): 192   Zooplankton (#/L): 225.3
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-08-10
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
2011
6.1
1.1
2.56
6.7
111
8.5
6.9
194
251
72
134
0.01
1.166
0.075
1.318
26.43
0.013
0.013
0.018
3.84015
0.972518
5.996302
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)
28.8
28.7
28.6
28.3
20.6
14.1
11.8
DO (mg/L)
8.6
8.5
8.5
6.5
0
0
0
                                                                           
% Water Column Oxic: 32.8
  
Blue-Green Dominance (% of NU): 68
  
Blue-Green Dominance (% of cells): 77.5
           Carlson TSI: 63
                   
                                                                           
Blue-Greens (#/L): 34201615   Greens (#/L): 9489585   Diatoms (#/L): 85338   Other Algae (#/L): 375487   Rotifers (#/L): 36   Zooplankton (#/L): 18.2
Blue-Greens (cells/L): 34202   Greens (cells/L): 15364   Diatoms (cells/L): 85   Other Algae (cells/L): 667   Rotifers (cells/L): 0.0364   Zooplankton (cells/L): 0.0182
 
 

2015

          
Sample Location: deep hole
Sample Date: 2015-08-04
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
2015
6.6
12.24
9.184
8
6.8
248
365
85
128
0.01
0.167
0.07
0.335
0.025
0.045
0.059
0.056
0.957
1.152
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)
29.73
28.5
27.5
25.35
16.54
12.18
DO (mg/L)
8.28
8.67
7.91
5.36
2.56
1.6
                                                                           
% Water Column Oxic: 100
  
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 0
                   
                                                                           
Blue-Greens (#/L):   Greens (#/L):   Diatoms (#/L):   Other Algae (#/L):   Rotifers (#/L):   Zooplankton (#/L):
Blue-Greens (cells/L):   Greens (cells/L):   Diatoms (cells/L):   Other Algae (cells/L):   Rotifers (cells/L):   Zooplankton (cells/L):
 
 

 

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)