Clean Lakes Program: Big Turkey - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Big Turkey

 

Lagrange County

1989

         
Sample Location: Deep Hole
Sample Date: 1989-07-24
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
1989
19.8
1.6
23
14.5
116
8.2
7.6
650
500
209
260
0.01
0.049
0.013
0.076
2.769
0.687
0.148
1.32
1.694
2.254
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
26
24.5
22
19
15
12
10
9
9
8.5
8
8
8
8
8
7.5
7.5
DO (mg/L)
9.3
9.2
8.5
5.9
2.3
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 39
 
Blue-Green Dominance (% of NU): 75
 
          Carlson TSI: 47
                    Indiana TSI: 31
                                                                           
Blue-Greens (#/L): 6706   Greens (#/L): 563   Diatoms (#/L): 440   Other Algae (#/L): 269   Rotifers (#/L): 962   Zooplankton (#/L): 0
 
 

1992

         
Sample Location: Deep Hole
Sample Date: 1992-08-25
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
1992
19.8
1.2
19
11.5
121
8.1
7.75
550
495
175
258
0.01
0.135
0.053
0.135
1.788
0.684
0.066
2.243
0.682
0.23
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)
25.5
25.5
24.9
23.5
22.5
20.1
16
12.9
11.2
10.9
9.8
9
8.5
8.5
8.5
8.1
8.1
8.1
8
DO (mg/L)
10.6
10.4
9.4
7.8
6.2
0.15
0.15
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
                                                                           
% Water Column Oxic: 20.8
 
Blue-Green Dominance (% of NU): 42
 
          Carlson TSI: 59
                    Indiana TSI: 33
                                                                           
Blue-Greens (#/L): 3949   Greens (#/L): 951   Diatoms (#/L): 804   Other Algae (#/L): 2998   Rotifers (#/L): 624   Zooplankton (#/L): 0
 
 

1997

         
Sample Location: Deep Hole
Sample Date: 1997-08-25
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
19.8
1.2
27
12
96.9
8.32
7.58
432
442
178.7
256.2
0.01
0.263
0.015
0.28
9.55
0.403
0.022
0.07
2.554
0.9
3.3
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)
21.6
20.8
20.7
20.7
20.5
20.4
20.3
19
15
13
12.1
11.8
11.2
11
10.8
10.3
10.2
10
10
10
10
DO (mg/L)
9
8.8
8.7
8.6
0
8.2
7.8
7.8
1.1
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
                                                                           
% Water Column Oxic: 40
 
Blue-Green Dominance (% of NU): 72
 
          Carlson TSI: 51
                    Indiana TSI: 40
                                                                           
Blue-Greens (#/L): 36330   Greens (#/L): 1793   Diatoms (#/L): 9937   Other Algae (#/L): 2254   Rotifers (#/L): 291   Zooplankton (#/L): 61.6
 
 

2002

         
Sample Location: Deep Hole
Sample Date: 2002-08-06
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
19.8
1
95
12
103.8
8.2
7.6
480
500
145
236
0.01
0.12
0.046
0.155
6.57
0.518
0.074
0.019
1.65
0.979
2.37
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
27.8
27.8
27.7
27.7
23.3
18.9
17.4
12
11
10.2
9.5
8.8
8.3
8
7.8
7.7
7.6
7.6
7.6
7.5
DO (mg/L)
8.1
8.1
8.2
8.2
8.1
0.8
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
                                                                           
% Water Column Oxic: 15.4
 
Blue-Green Dominance (% of NU): 63
 
          Carlson TSI: 56
                    Indiana TSI: 33
                                                                           
Blue-Greens (#/L): 7335   Greens (#/L): 605   Diatoms (#/L): 1638   Other Algae (#/L): 1958   Rotifers (#/L): 71   Zooplankton (#/L): 44.2
 
 

2006

         
Sample Location: Site 1
Sample Date: 2006-08-08
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
2006
19.5
0.6
3.5
4.9
87.5
8.4
7.6
471.4
425
158
227
0.01
0.084
0.054
0.128
15.38
0.336
0.028
0.03
1.67
1.52
2.73
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)
26.4
26.4
26.4
26.4
25.7
24.2
22
16
14.9
13
11.8
10.7
9.8
9.1
8.9
8.6
8.5
8.4
8.4
DO (mg/L)
7.3
7.4
7
7.2
6.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 15.4
 
Blue-Green Dominance (% of NU): 78.5
 
          Carlson TSI: 62
                    Indiana TSI: 45
                                                                           
Blue-Greens (#/L): 59691   Greens (#/L): 1673   Diatoms (#/L): 12325   Other Algae (#/L): 1937   Rotifers (#/L): 352   Zooplankton (#/L): 57.2
 
 

2006

         
Sample Location: Site 2
Sample Date: 2006-08-08
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
2006
11.6
0.5
1
4.9
96.3
8.3
7.6
496
476
182
242
0.01
0.098
0.104
0.163
51.72
0.266
0.016
0.019
1.468
1.804
3.063
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)
25.6
25.6
25.7
25.6
24.3
22.9
20.7
18.6
14.8
13.1
12.1
11.5
DO (mg/L)
8
7.8
7.5
7.4
0.1
0
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 17.2
 
Blue-Green Dominance (% of NU): 62.8
 
          Carlson TSI: 70
                    Indiana TSI: 50
                                                                           
Blue-Greens (#/L): 78125   Greens (#/L): 4659   Diatoms (#/L): 38256   Other Algae (#/L): 2867   Rotifers (#/L): 448   Zooplankton (#/L): 78.5
 
 

2006

         
Sample Location: Site 3
Sample Date: 2006-08-08
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
2006
10
0.5
0
3.3
113.3
8.3
7.6
551
477
191
235
0.01
0.032
0.073
0.076
17.19
0.196
0.179
0.018
1.037
2.043
1.636
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
23.9
23.1
20.8
17.2
14.5
12.1
11
DO (mg/L)
9
8.9
7.1
9
0.3
0
0
0
0
0
0
                                                                           
% Water Column Oxic: 20
 
Blue-Green Dominance (% of NU): 61.2
 
          Carlson TSI: 65
                    Indiana TSI: 47
                                                                           
Blue-Greens (#/L): 64003   Greens (#/L): 3573   Diatoms (#/L): 31763   Other Algae (#/L): 4844   Rotifers (#/L): 318   Zooplankton (#/L): 62.8
 
 

2015

         
Sample Location: Deep hole
Sample Date: 2015-06-29
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
20.1
1.9
22.29
6.56
8.3
7.6
597
624
183
197.5
0.01
0.013
0.018
0.028
6.89
0.447
0.774
0.018
0.101
0.895
0.867
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)
22.5
22.56
22.54
22.3
21.98
21.06
16.48
12.35
11.15
10.67
10.13
9.55
9.16
8.93
8.5
8.23
7.95
7.92
7.91
7.97
DO (mg/L)
8.73
8.81
8.63
8.74
7.91
7.26
3.49
0.75
0.21
0.17
0.15
0.08
0.06
0.05
0.32
0.06
0.03
0.04
0.04
0.04
                                                                           
% Water Column Oxic: 31.58
 
Blue-Green Dominance (% of NU):
 
Blue-Green Dominance (% of cells):
          Carlson TSI: 50
                   
                                                                           
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)