Clean Lakes Program: Koontz - Starke County

 

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Indiana Clean Lakes Program Lake Report

Koontz

  

Starke County

1990

          
Sample Location: Deep Hole
Sample Date: 1990-08-07
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
1990
9.4
1.6
38
16.5
97
8
6.9
343
370
110.2
190
0.01
0.026
0.033
0.059
0.427
1.012
0.018
2.598
1.391
1.63
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
22
22
21.5
19
17
15
13.5
DO (mg/L)
8.5
8.5
8.6
8.6
2.2
0.3
0.3
0.2
                                                                           
% Water Column Oxic: 63
  
Blue-Green Dominance (% of NU): 25
  
          Carlson TSI: 54
                    Indiana TSI: 16
                                                                           
Blue-Greens (#/L): 594   Greens (#/L): 396   Diatoms (#/L): 780   Other Algae (#/L): 594   Rotifers (#/L): 16   Zooplankton (#/L): 0
 
 

1993

          
Sample Location: Deep Hole
Sample Date: 1993-07-28
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
1993
9.4
1.2
26
13
111
8.5
7.5
403
383
138
139
0.01
0.01
0.01
0.025
11.48
0.022
0.022
0.025
0.025
0.454
0.493
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)
27.2
27.2
27.2
27.2
27.1
27
23.3
20.6
16.9
DO (mg/L)
8.9
9.1
9.2
9.2
9.2
9.2
0.5
0
0
                                                                           
% Water Column Oxic: 65.8
  
Blue-Green Dominance (% of NU): 68
  
          Carlson TSI: 50
                    Indiana TSI: 24
                                                                           
Blue-Greens (#/L): 14252   Greens (#/L): 4561   Diatoms (#/L): 1140   Other Algae (#/L): 815   Rotifers (#/L): 133   Zooplankton (#/L): 0
 
 

1995

          
Sample Location: Deep Hole
Sample Date: 1995-07-25
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
1995
9.4
0.7
20
9
123.8
8.55
7.04
390
385
133.5
182.5
0.01
0.016
0.043
0.046
20.07
0.022
0.022
0.018
1.551
0.973
2.184
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)
29.2
28.8
28.5
28
26.9
25.2
22.1
19.2
16.5
DO (mg/L)
9.7
9.9
9.6
9.2
4.9
0.1
0
0
0
                                                                           
% Water Column Oxic: 85.7
  
Blue-Green Dominance (% of NU): 48
  
          Carlson TSI: 61
                    Indiana TSI: 34
                                                                           
Blue-Greens (#/L): 51370   Greens (#/L): 5144   Diatoms (#/L): 44464   Other Algae (#/L): 5074   Rotifers (#/L): 282   Zooplankton (#/L): 22.5
 
 

1999

          
Sample Location: Deep Hole
Sample Date: 1999-07-12
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
9.45
1.5
46
12.5
100
7.9
6.7
393
349
129
174.5
0.01
0.015
0.065
0.063
7.01
0.022
0.022
0.018
1.084
0.952
2.022
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)
24
24
24
24
23.5
23
21.5
15.5
13
DO (mg/L)
8.6
8.6
8.4
8.3
8.1
5.2
0.8
0.2
0.2
                                                                           
% Water Column Oxic: 59
  
Blue-Green Dominance (% of NU): 6
  
          Carlson TSI: 56
                    Indiana TSI: 20
                                                                           
Blue-Greens (#/L): 193   Greens (#/L): 1633   Diatoms (#/L): 1170   Other Algae (#/L): 180   Rotifers (#/L): 103   Zooplankton (#/L): 11.1
 
 

2004

          
Sample Location: Deep Hole
Sample Date: 2004-08-17
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
2004
8.8
1.1
37
17.4
101
8.5
7.7
395
392
137
140
0.01
0.01
0.041
0.048
12.66
0.013
0.013
0.018
0.306
0.857
0.933
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)
22.2
22.2
22.2
22.2
21.8
21.5
21.1
21.1
21
20.7
DO (mg/L)
8.9
8.8
8.8
8.8
7.5
6
3.8
3.5
2.7
0
                                                                           
% Water Column Oxic: 88
  
Blue-Green Dominance (% of NU): 53.5
  
          Carlson TSI: 57
                    Indiana TSI: 26
                                                                           
Blue-Greens (#/L): 11839   Greens (#/L): 3438   Diatoms (#/L): 5366   Other Algae (#/L): 1358   Rotifers (#/L): 84   Zooplankton (#/L): 31.2
 
 

2009

          
Sample Location: Deep Hole
Sample Date: 2009-07-20
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
2009
8.84
1.1
7.03
8.2
86.5
8.4
7.7
340
320
143.5
154.5
0.01
0.067
0.018
0.077
7.98
0.013
0.013
0.018
0.679
1.026
1.524
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)
23.4
23.3
23.3
23.2
23.2
23.2
22.8
22.1
18
16.5
DO (mg/L)
7.3
7.4
7.4
7.3
7.2
7.2
4.2
1.2
0.02
0.02
                                                                           
% Water Column Oxic: 56.56
  
Blue-Green Dominance (% of NU): 97
  
          Carlson TSI: 52
                    Indiana TSI: 54
                                                                           
Blue-Greens (#/L): 528621   Greens (#/L): 5152   Diatoms (#/L): 10188   Other Algae (#/L): 174   Rotifers (#/L): 579   Zooplankton (#/L): 80
 
 

2011

          
Sample Location: Deep Hole
Sample Date: 2011-08-09
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
8.53
0.6
3.95
6.5
86.7
8.4
7.4
347.4
327.8
131.5
182
0.01
0.01
0.044
0.031
36.535
0.013
0.013
0.018
1.613
1.4384795
2.312726
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
28
28
27.9
27.9
27.9
22.7
18.8
16.5
15.3
DO (mg/L)
6.8
6.7
6.8
6.8
6.8
6.7
0.03
0.02
0.01
0.01
                                                                           
% Water Column Oxic: 46.9
  
Blue-Green Dominance (% of NU): 97.7
  
Blue-Green Dominance (% of cells): 93.2
           Carlson TSI: 64
                   
                                                                           
Blue-Greens (#/L): 20171970   Greens (#/L): 283862   Diatoms (#/L): 1188674   Other Algae (#/L): 0   Rotifers (#/L): 20   Zooplankton (#/L): 45
Blue-Greens (cells/L): 316538   Greens (cells/L): 4950   Diatoms (cells/L): 2392   Other Algae (cells/L): 0   Rotifers (cells/L): 0   Zooplankton (cells/L): 0
 
 

2013

          
Sample Location: Deep Hole
Sample Date: 2013-07-02
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
2013
9.1
1.4
20.3
13.5
8.4
7.2
406
494
129
171
0.005
0.044
0.076
0.049
12.35
0.196
0.013
0.018
0.982
0.333
1.766
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)
23.71
23.71
23.71
23.66
23.31
22.1
17.23
13.84
12.4
DO (mg/L)
7.82
7.76
7.6
7
5.21
2.26
0.24
0.16
0.17
                                                                           
% Water Column Oxic: 54.95
  
Blue-Green Dominance (% of NU): 72.7
  
Blue-Green Dominance (% of cells): 64.9
           Carlson TSI: 58
                   
                                                                           
Blue-Greens (#/L): 32907   Greens (#/L): 5712   Diatoms (#/L): 11151   Other Algae (#/L): 544   Rotifers (#/L): 166   Zooplankton (#/L): 241
Blue-Greens (cells/L): 396   Greens (cells/L): 137   Diatoms (cells/L): 12   Other Algae (cells/L): 0   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)